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25% off
Nx1 UK City Nitric Oxide (no) 0-5000ppm Air Quality Sensor NO Gas Sensor Detector Air Sensor Nx-1 Nx1 UK City Nitric Oxide (no) 0-5000ppm Air Quality Sensor NO Gas Sensor Detector Air Sensor Nx-1

Nx1 UK City Nitric Oxide (no) 0-5000ppm Air Quality Sensor NO Gas Sensor Detector Air Sensor Nx-1

$2344.81$3126.42

ZE610-H2 H2 Module Gas Detector H2 Module Detector Electrochemistry Gas Sensor Module H2 Sensor Gas

ZE610-H2 H2 Module Gas Detector H2 Module Detector Electrochemistry Gas Sensor Module H2 Sensor Gas

$12.86$12.86

15% off
environment sensor CO2 sensor 0-5000ppm carbon dioxide content sensor 4-20mA 0-5v 0-10v environment sensor CO2 sensor 0-5000ppm carbon dioxide content sensor 4-20mA 0-5v 0-10v

environment sensor CO2 sensor 0-5000ppm carbon dioxide content sensor 4-20mA 0-5v 0-10v

$491.06$577.72

8% off
Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector 0-5000PPM For Greenhouse Hydroponics Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector 0-5000PPM For Greenhouse Hydroponics

Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector 0-5000PPM For Greenhouse Hydroponics

$132.91$144.91

5 sold
9% off
CO2 Monitor Controller EU US Plug Carbon Dioxide Pressure Reducer American Style Electromagnetic Valve for Green House CO2 Monitor Controller EU US Plug Carbon Dioxide Pressure Reducer American Style Electromagnetic Valve for Green House

CO2 Monitor Controller EU US Plug Carbon Dioxide Pressure Reducer American Style Electromagnetic Valve for Green House

$48.22$53.02

2 sold
Carbon Dioxide Detector CO2 Sensor Monitor Meter 0~5000ppm Range Colored LCD With Dual Beam NDIR Sensor Mini Desktop Carbon Dioxide Detector CO2 Sensor Monitor Meter 0~5000ppm Range Colored LCD With Dual Beam NDIR Sensor Mini Desktop

Carbon Dioxide Detector CO2 Sensor Monitor Meter 0~5000ppm Range Colored LCD With Dual Beam NDIR Sensor Mini Desktop

$64.50$64.50

2 sold
40% off
HESSWAY WIFI TUYA CO2 VOC PM2.5 Sensor Detector Control for EC 0-10V/AC Output Through RS485&Modbusz Protocol Fresh Air System HESSWAY WIFI TUYA CO2 VOC PM2.5 Sensor Detector Control for EC 0-10V/AC Output Through RS485&Modbusz Protocol Fresh Air System

HESSWAY WIFI TUYA CO2 VOC PM2.5 Sensor Detector Control for EC 0-10V/AC Output Through RS485&Modbusz Protocol Fresh Air System

$161.10$268.50

1 sold
Wall-mounted H2 Gas Detector Hydrogen Gas Monitor Fixed H2 Detector 0-5000PPM Precision ≤± 2% F.S. 12-36V DCRecovery Time ≤10S Wall-mounted H2 Gas Detector Hydrogen Gas Monitor Fixed H2 Detector 0-5000PPM Precision ≤± 2% F.S. 12-36V DCRecovery Time ≤10S

Wall-mounted H2 Gas Detector Hydrogen Gas Monitor Fixed H2 Detector 0-5000PPM Precision ≤± 2% F.S. 12-36V DCRecovery Time ≤10S

$459.00$459.00

8% off
0-5000ppm CO2 Monitor Controller Carbon Dioxide Gas Detector regulator with Dual NDIR Sensor For Greenhouse Mushrooms Plant Farm 0-5000ppm CO2 Monitor Controller Carbon Dioxide Gas Detector regulator with Dual NDIR Sensor For Greenhouse Mushrooms Plant Farm

0-5000ppm CO2 Monitor Controller Carbon Dioxide Gas Detector regulator with Dual NDIR Sensor For Greenhouse Mushrooms Plant Farm

$133.38$145.52

1 sold
CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

$119.00$119.00

2 sold
9% off
Digital Carbon Dioxide Controller CO2 IAQ Monitor Relay Function with NDIR Sensing And Pressure Reducer Valve For Greenhouse Digital Carbon Dioxide Controller CO2 IAQ Monitor Relay Function with NDIR Sensing And Pressure Reducer Valve For Greenhouse

Digital Carbon Dioxide Controller CO2 IAQ Monitor Relay Function with NDIR Sensing And Pressure Reducer Valve For Greenhouse

$46.85$51.57

8 sold
22% off
FMAi K5 CO Carbon Monoxide Detector CO2 Air Quality K5D Portable Gas Detector LED Screen Type-C K5E Series for Indoor and Travel FMAi K5 CO Carbon Monoxide Detector CO2 Air Quality K5D Portable Gas Detector LED Screen Type-C K5E Series for Indoor and Travel

FMAi K5 CO Carbon Monoxide Detector CO2 Air Quality K5D Portable Gas Detector LED Screen Type-C K5E Series for Indoor and Travel

$21.03$27.03

23 sold
6% off
Carbon Dioxide CO2 IAQ Monitor Controller for Greenhouse Planting Factory Relay Function Dioxide Controller and Pressure Reducer Carbon Dioxide CO2 IAQ Monitor Controller for Greenhouse Planting Factory Relay Function Dioxide Controller and Pressure Reducer

Carbon Dioxide CO2 IAQ Monitor Controller for Greenhouse Planting Factory Relay Function Dioxide Controller and Pressure Reducer

$49.14$52.44

4 sold
2023 New Design PTM600 - Large Storage/Long Life/Wireless Transmission 0~5000ppm Portable VOC Gas Detector 2023 New Design PTM600 - Large Storage/Long Life/Wireless Transmission 0~5000ppm Portable VOC Gas Detector

2023 New Design PTM600 - Large Storage/Long Life/Wireless Transmission 0~5000ppm Portable VOC Gas Detector

$8735.30$8735.30

9% off
HT621 Carbon Monoxide Detector 0~5000ppm New Photoelectric Sensor Professional High Precision CO Gas Tester LCD Display Alarm HT621 Carbon Monoxide Detector 0~5000ppm New Photoelectric Sensor Professional High Precision CO Gas Tester LCD Display Alarm

HT621 Carbon Monoxide Detector 0~5000ppm New Photoelectric Sensor Professional High Precision CO Gas Tester LCD Display Alarm

$28.85$31.71

3 sold
31% off
WIFI&RS485 CO2&VOC&PM2.5 Sensor Monitoring Control for Air System EC 0-10V/AC Fan Adjust Air Quality Works Yandex Alexa Google WIFI&RS485 CO2&VOC&PM2.5 Sensor Monitoring Control for Air System EC 0-10V/AC Fan Adjust Air Quality Works Yandex Alexa Google

WIFI&RS485 CO2&VOC&PM2.5 Sensor Monitoring Control for Air System EC 0-10V/AC Fan Adjust Air Quality Works Yandex Alexa Google

$1064.33$1542.51

3 sold
28% off
MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR

MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR

$15.18$21.09

21 sold
8% off
Dual Beam CO2 Monitor Controller NDIR CO2 Sensor Day and Night Carbon Dioxide Detector 0-5000PPM for Greenhouse Hydroponic Dual Beam CO2 Monitor Controller NDIR CO2 Sensor Day and Night Carbon Dioxide Detector 0-5000PPM for Greenhouse Hydroponic

Dual Beam CO2 Monitor Controller NDIR CO2 Sensor Day and Night Carbon Dioxide Detector 0-5000PPM for Greenhouse Hydroponic

$146.92$160.22

2 sold
High sensitive personal safety device hand held portable carbon dioxide gas sensor analyzer 0-5000ppm CO2 gas detectors analyzer High sensitive personal safety device hand held portable carbon dioxide gas sensor analyzer 0-5000ppm CO2 gas detectors analyzer

High sensitive personal safety device hand held portable carbon dioxide gas sensor analyzer 0-5000ppm CO2 gas detectors analyzer

$2557.16$2557.16

SKZ1050B anti-interference high-precision 0-5000ppm C3H8 gas detector alarm SKZ1050B anti-interference high-precision 0-5000ppm C3H8 gas detector alarm

SKZ1050B anti-interference high-precision 0-5000ppm C3H8 gas detector alarm

$17100.00$17100.00

43% off
1PC EC TEMP Meter/ TDS TEMP Tester Digital Conductivity Water Quality Water Quality Tester 0-5000ppm/0-9999US for Pool Aquarium 1PC EC TEMP Meter/ TDS TEMP Tester Digital Conductivity Water Quality Water Quality Tester 0-5000ppm/0-9999US for Pool Aquarium

1PC EC TEMP Meter/ TDS TEMP Tester Digital Conductivity Water Quality Water Quality Tester 0-5000ppm/0-9999US for Pool Aquarium

$14.05$24.65

2 sold
14% off
0-5000ppm CO2 Controller Gas detector carbon dioxide regulator with low and high alarm relay output CO2 monitor 0-5000ppm CO2 Controller Gas detector carbon dioxide regulator with low and high alarm relay output CO2 monitor

0-5000ppm CO2 Controller Gas detector carbon dioxide regulator with low and high alarm relay output CO2 monitor

$54.58$64.14

22 sold
11% off
2018 New TDS EC Meter Temperature Tester Pen 3 In1 Function Conductivity Water Quality Measurement Tool TDS&EC Tester 0-5000ppm 2018 New TDS EC Meter Temperature Tester Pen 3 In1 Function Conductivity Water Quality Measurement Tool TDS&EC Tester 0-5000ppm

2018 New TDS EC Meter Temperature Tester Pen 3 In1 Function Conductivity Water Quality Measurement Tool TDS&EC Tester 0-5000ppm

$4.94$5.55

1 sold
28% off
C8D SC8 C8 NDIR Infrared IR CO2 Carbon Dioxide Sensor High Precision Gas Concentration Detection Module 400-5000PPM 0-5000PPM C8D SC8 C8 NDIR Infrared IR CO2 Carbon Dioxide Sensor High Precision Gas Concentration Detection Module 400-5000PPM 0-5000PPM

C8D SC8 C8 NDIR Infrared IR CO2 Carbon Dioxide Sensor High Precision Gas Concentration Detection Module 400-5000PPM 0-5000PPM

$5.99$8.32

8 sold
0~5V 0~10V CO2 Transmitter Waterproof 5000ppm 10000ppm Carbon Dioxide Sensor with display 0~5V 0~10V CO2 Transmitter Waterproof 5000ppm 10000ppm Carbon Dioxide Sensor with display

0~5V 0~10V CO2 Transmitter Waterproof 5000ppm 10000ppm Carbon Dioxide Sensor with display

$509.42$509.42

39% off
yieryi 3 in 1 TDS Tester Conductivity Meter Water Measurement Temperature Tool Function 0-5000ppm EC Meter Arrived 30% off yieryi 3 in 1 TDS Tester Conductivity Meter Water Measurement Temperature Tool Function 0-5000ppm EC Meter Arrived 30% off

yieryi 3 in 1 TDS Tester Conductivity Meter Water Measurement Temperature Tool Function 0-5000ppm EC Meter Arrived 30% off

$6.10$10.00

2 sold
11% off
HT621 Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge LCD Display Sound and Light Alarm 0~5000ppm HT621 Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge LCD Display Sound and Light Alarm 0~5000ppm

HT621 Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge LCD Display Sound and Light Alarm 0~5000ppm

$25.09$28.24

11 sold
13% off
Carbon Dioxide Controller Dual Channel NDIR Day Night CO2 Sensor CO2 Meter Monitor For Green House Carbon Dioxide Controller Dual Channel NDIR Day Night CO2 Sensor CO2 Meter Monitor For Green House

Carbon Dioxide Controller Dual Channel NDIR Day Night CO2 Sensor CO2 Meter Monitor For Green House

$125.64$144.84

3 sold
73% off
3In1 Function Digital TDS EC Meter LCD TDS&EC Temperature Tester 0-5000ppm 9990us/cm TDS Conductivity Water Liquid Quality Tools 3In1 Function Digital TDS EC Meter LCD TDS&EC Temperature Tester 0-5000ppm 9990us/cm TDS Conductivity Water Liquid Quality Tools

3In1 Function Digital TDS EC Meter LCD TDS&EC Temperature Tester 0-5000ppm 9990us/cm TDS Conductivity Water Liquid Quality Tools

$3.21$11.88

1 sold
26% off
CO2&PM2.5&VOC Ventilation System Controller Panel for EC 0-10V Modulation/AC Fan 3-Speed Working WIFI/RS485 Protocol CO2&PM2.5&VOC Ventilation System Controller Panel for EC 0-10V Modulation/AC Fan 3-Speed Working WIFI/RS485 Protocol

CO2&PM2.5&VOC Ventilation System Controller Panel for EC 0-10V Modulation/AC Fan 3-Speed Working WIFI/RS485 Protocol

$1216.77$1644.29

1 sold
30% off
CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

$166.45$237.78

1 sold
59% off
10PCS/LOT TDS Tester, EC meter, conductivity meter, water measurement tool,Function 3 in 1, 0-5000ppm,High Quality 10PCS/LOT TDS Tester, EC meter, conductivity meter, water measurement tool,Function 3 in 1, 0-5000ppm,High Quality

10PCS/LOT TDS Tester, EC meter, conductivity meter, water measurement tool,Function 3 in 1, 0-5000ppm,High Quality

$24.97$60.90

4 sold
14% off
CO2 Controller With Low and High Co2 Control Out 0-5000ppm Gas Detector Carbon Dioxide Monitor With Alarm Relay Output CO2 Controller With Low and High Co2 Control Out 0-5000ppm Gas Detector Carbon Dioxide Monitor With Alarm Relay Output

CO2 Controller With Low and High Co2 Control Out 0-5000ppm Gas Detector Carbon Dioxide Monitor With Alarm Relay Output

$52.84$61.87

20 sold
12% off
Environment Sensor CO2 Sensor 0-5000ppm Carbon Dioxide Content Sensor 4-20mA 0-5v 0-10v Environment Sensor CO2 Sensor 0-5000ppm Carbon Dioxide Content Sensor 4-20mA 0-5v 0-10v

Environment Sensor CO2 Sensor 0-5000ppm Carbon Dioxide Content Sensor 4-20mA 0-5v 0-10v

$513.97$584.06

18% off
High Quality 2000/5000ppm/1%/3%/65% RS485 4-20mA Carbon Dioxide Meter CO2 Sensor Transmitter 4-20ma CO2 Transducer High Quality 2000/5000ppm/1%/3%/65% RS485 4-20mA Carbon Dioxide Meter CO2 Sensor Transmitter 4-20ma CO2 Transducer

High Quality 2000/5000ppm/1%/3%/65% RS485 4-20mA Carbon Dioxide Meter CO2 Sensor Transmitter 4-20ma CO2 Transducer

$177.02$215.88

12 sold
36% off
Professianl Portable Ozone Gas Detector O3 Meter, 0-5000ppm for Ozono generator Ozone Analyzer Bosean ozone meter Professianl Portable Ozone Gas Detector O3 Meter, 0-5000ppm for Ozono generator Ozone Analyzer Bosean ozone meter

Professianl Portable Ozone Gas Detector O3 Meter, 0-5000ppm for Ozono generator Ozone Analyzer Bosean ozone meter

$168.96$264.00

3 sold
25% off
Nx1 UK City Nitric Oxide (no) 0-5000ppm Air Quality Sensor NO Gas Sensor Detector Air Sensor Nx-1 Nx1 UK City Nitric Oxide (no) 0-5000ppm Air Quality Sensor NO Gas Sensor Detector Air Sensor Nx-1

Nx1 UK City Nitric Oxide (no) 0-5000ppm Air Quality Sensor NO Gas Sensor Detector Air Sensor Nx-1

$2344.81 $3126.42

Categories: Tools, Measurement & Analysis Instruments

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ZE610-H2 H2 Module Gas Detector H2 Module Detector Electrochemistry Gas Sensor Module H2 Sensor Gas

ZE610-H2 H2 Module Gas Detector H2 Module Detector Electrochemistry Gas Sensor Module H2 Sensor Gas

$12.86 $12.86

Categories: Tools, Measurement & Analysis Instruments

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15% off
environment sensor CO2 sensor 0-5000ppm carbon dioxide content sensor 4-20mA 0-5v 0-10v environment sensor CO2 sensor 0-5000ppm carbon dioxide content sensor 4-20mA 0-5v 0-10v

environment sensor CO2 sensor 0-5000ppm carbon dioxide content sensor 4-20mA 0-5v 0-10v

$491.06 $577.72

Categories: Tools, Measurement & Analysis Instruments

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8% off
Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector 0-5000PPM For Greenhouse Hydroponics Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector 0-5000PPM For Greenhouse Hydroponics

Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector 0-5000PPM For Greenhouse Hydroponics

$132.91 $144.91

5 sold

Categories: Tools, Measurement & Analysis Instruments

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9% off
CO2 Monitor Controller EU US Plug Carbon Dioxide Pressure Reducer American Style Electromagnetic Valve for Green House CO2 Monitor Controller EU US Plug Carbon Dioxide Pressure Reducer American Style Electromagnetic Valve for Green House

CO2 Monitor Controller EU US Plug Carbon Dioxide Pressure Reducer American Style Electromagnetic Valve for Green House

$48.22 $53.02

2 sold

Categories: Tools, Measurement & Analysis Instruments

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Carbon Dioxide Detector CO2 Sensor Monitor Meter 0~5000ppm Range Colored LCD With Dual Beam NDIR Sensor Mini Desktop Carbon Dioxide Detector CO2 Sensor Monitor Meter 0~5000ppm Range Colored LCD With Dual Beam NDIR Sensor Mini Desktop

Carbon Dioxide Detector CO2 Sensor Monitor Meter 0~5000ppm Range Colored LCD With Dual Beam NDIR Sensor Mini Desktop

$64.50 $64.50

2 sold

Categories: Tools, Measurement & Analysis Instruments

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40% off
HESSWAY WIFI TUYA CO2 VOC PM2.5 Sensor Detector Control for EC 0-10V/AC Output Through RS485&Modbusz Protocol Fresh Air System HESSWAY WIFI TUYA CO2 VOC PM2.5 Sensor Detector Control for EC 0-10V/AC Output Through RS485&Modbusz Protocol Fresh Air System

HESSWAY WIFI TUYA CO2 VOC PM2.5 Sensor Detector Control for EC 0-10V/AC Output Through RS485&Modbusz Protocol Fresh Air System

$161.10 $268.50

1 sold

Categories: Tools, Measurement & Analysis Instruments

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Wall-mounted H2 Gas Detector Hydrogen Gas Monitor Fixed H2 Detector 0-5000PPM Precision ≤± 2% F.S. 12-36V DCRecovery Time ≤10S Wall-mounted H2 Gas Detector Hydrogen Gas Monitor Fixed H2 Detector 0-5000PPM Precision ≤± 2% F.S. 12-36V DCRecovery Time ≤10S

Wall-mounted H2 Gas Detector Hydrogen Gas Monitor Fixed H2 Detector 0-5000PPM Precision ≤± 2% F.S. 12-36V DCRecovery Time ≤10S

$459.00 $459.00

Categories: Tools, Measurement & Analysis Instruments

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8% off
0-5000ppm CO2 Monitor Controller Carbon Dioxide Gas Detector regulator with Dual NDIR Sensor For Greenhouse Mushrooms Plant Farm 0-5000ppm CO2 Monitor Controller Carbon Dioxide Gas Detector regulator with Dual NDIR Sensor For Greenhouse Mushrooms Plant Farm

0-5000ppm CO2 Monitor Controller Carbon Dioxide Gas Detector regulator with Dual NDIR Sensor For Greenhouse Mushrooms Plant Farm

$133.38 $145.52

1 sold

Categories: Tools, Measurement & Analysis Instruments

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CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

$119.00 $119.00

2 sold

Categories: Tools, Measurement & Analysis Instruments

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9% off
Digital Carbon Dioxide Controller CO2 IAQ Monitor Relay Function with NDIR Sensing And Pressure Reducer Valve For Greenhouse Digital Carbon Dioxide Controller CO2 IAQ Monitor Relay Function with NDIR Sensing And Pressure Reducer Valve For Greenhouse

Digital Carbon Dioxide Controller CO2 IAQ Monitor Relay Function with NDIR Sensing And Pressure Reducer Valve For Greenhouse

$46.85 $51.57

8 sold

Categories: Tools, Measurement & Analysis Instruments

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22% off
FMAi K5 CO Carbon Monoxide Detector CO2 Air Quality K5D Portable Gas Detector LED Screen Type-C K5E Series for Indoor and Travel FMAi K5 CO Carbon Monoxide Detector CO2 Air Quality K5D Portable Gas Detector LED Screen Type-C K5E Series for Indoor and Travel

FMAi K5 CO Carbon Monoxide Detector CO2 Air Quality K5D Portable Gas Detector LED Screen Type-C K5E Series for Indoor and Travel

$21.03 $27.03

23 sold

Categories: Tools, Measurement & Analysis Instruments

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6% off
Carbon Dioxide CO2 IAQ Monitor Controller for Greenhouse Planting Factory Relay Function Dioxide Controller and Pressure Reducer Carbon Dioxide CO2 IAQ Monitor Controller for Greenhouse Planting Factory Relay Function Dioxide Controller and Pressure Reducer

Carbon Dioxide CO2 IAQ Monitor Controller for Greenhouse Planting Factory Relay Function Dioxide Controller and Pressure Reducer

$49.14 $52.44

4 sold

Categories: Tools, Measurement & Analysis Instruments

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2023 New Design PTM600 - Large Storage/Long Life/Wireless Transmission 0~5000ppm Portable VOC Gas Detector 2023 New Design PTM600 - Large Storage/Long Life/Wireless Transmission 0~5000ppm Portable VOC Gas Detector

2023 New Design PTM600 - Large Storage/Long Life/Wireless Transmission 0~5000ppm Portable VOC Gas Detector

$8735.30 $8735.30

Categories: Tools, Measurement & Analysis Instruments

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9% off
HT621 Carbon Monoxide Detector 0~5000ppm New Photoelectric Sensor Professional High Precision CO Gas Tester LCD Display Alarm HT621 Carbon Monoxide Detector 0~5000ppm New Photoelectric Sensor Professional High Precision CO Gas Tester LCD Display Alarm

HT621 Carbon Monoxide Detector 0~5000ppm New Photoelectric Sensor Professional High Precision CO Gas Tester LCD Display Alarm

$28.85 $31.71

3 sold

Categories: Tools, Measurement & Analysis Instruments

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31% off
WIFI&RS485 CO2&VOC&PM2.5 Sensor Monitoring Control for Air System EC 0-10V/AC Fan Adjust Air Quality Works Yandex Alexa Google WIFI&RS485 CO2&VOC&PM2.5 Sensor Monitoring Control for Air System EC 0-10V/AC Fan Adjust Air Quality Works Yandex Alexa Google

WIFI&RS485 CO2&VOC&PM2.5 Sensor Monitoring Control for Air System EC 0-10V/AC Fan Adjust Air Quality Works Yandex Alexa Google

$1064.33 $1542.51

3 sold

Categories: Tools, Measurement & Analysis Instruments

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28% off
MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR

MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR

$15.18 $21.09

21 sold

Categories: Tools, Measurement & Analysis Instruments

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8% off
Dual Beam CO2 Monitor Controller NDIR CO2 Sensor Day and Night Carbon Dioxide Detector 0-5000PPM for Greenhouse Hydroponic Dual Beam CO2 Monitor Controller NDIR CO2 Sensor Day and Night Carbon Dioxide Detector 0-5000PPM for Greenhouse Hydroponic

Dual Beam CO2 Monitor Controller NDIR CO2 Sensor Day and Night Carbon Dioxide Detector 0-5000PPM for Greenhouse Hydroponic

$146.92 $160.22

2 sold

Categories: Tools, Measurement & Analysis Instruments

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High sensitive personal safety device hand held portable carbon dioxide gas sensor analyzer 0-5000ppm CO2 gas detectors analyzer High sensitive personal safety device hand held portable carbon dioxide gas sensor analyzer 0-5000ppm CO2 gas detectors analyzer

High sensitive personal safety device hand held portable carbon dioxide gas sensor analyzer 0-5000ppm CO2 gas detectors analyzer

$2557.16 $2557.16

Categories: Tools, Measurement & Analysis Instruments

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SKZ1050B anti-interference high-precision 0-5000ppm C3H8 gas detector alarm SKZ1050B anti-interference high-precision 0-5000ppm C3H8 gas detector alarm

SKZ1050B anti-interference high-precision 0-5000ppm C3H8 gas detector alarm

$17100.00 $17100.00

Categories: Tools, Measurement & Analysis Instruments

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43% off
1PC EC TEMP Meter/ TDS TEMP Tester Digital Conductivity Water Quality Water Quality Tester 0-5000ppm/0-9999US for Pool Aquarium 1PC EC TEMP Meter/ TDS TEMP Tester Digital Conductivity Water Quality Water Quality Tester 0-5000ppm/0-9999US for Pool Aquarium

1PC EC TEMP Meter/ TDS TEMP Tester Digital Conductivity Water Quality Water Quality Tester 0-5000ppm/0-9999US for Pool Aquarium

$14.05 $24.65

2 sold

Categories: Tools, Measurement & Analysis Instruments

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14% off
0-5000ppm CO2 Controller Gas detector carbon dioxide regulator with low and high alarm relay output CO2 monitor 0-5000ppm CO2 Controller Gas detector carbon dioxide regulator with low and high alarm relay output CO2 monitor

0-5000ppm CO2 Controller Gas detector carbon dioxide regulator with low and high alarm relay output CO2 monitor

$54.58 $64.14

22 sold

Categories: Tools, Measurement & Analysis Instruments

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11% off
2018 New TDS EC Meter Temperature Tester Pen 3 In1 Function Conductivity Water Quality Measurement Tool TDS&EC Tester 0-5000ppm 2018 New TDS EC Meter Temperature Tester Pen 3 In1 Function Conductivity Water Quality Measurement Tool TDS&EC Tester 0-5000ppm

2018 New TDS EC Meter Temperature Tester Pen 3 In1 Function Conductivity Water Quality Measurement Tool TDS&EC Tester 0-5000ppm

$4.94 $5.55

1 sold

Categories: Tools, Measurement & Analysis Instruments

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28% off
C8D SC8 C8 NDIR Infrared IR CO2 Carbon Dioxide Sensor High Precision Gas Concentration Detection Module 400-5000PPM 0-5000PPM C8D SC8 C8 NDIR Infrared IR CO2 Carbon Dioxide Sensor High Precision Gas Concentration Detection Module 400-5000PPM 0-5000PPM

C8D SC8 C8 NDIR Infrared IR CO2 Carbon Dioxide Sensor High Precision Gas Concentration Detection Module 400-5000PPM 0-5000PPM

$5.99 $8.32

8 sold

Categories: Tools, Measurement & Analysis Instruments

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0~5V 0~10V CO2 Transmitter Waterproof 5000ppm 10000ppm Carbon Dioxide Sensor with display 0~5V 0~10V CO2 Transmitter Waterproof 5000ppm 10000ppm Carbon Dioxide Sensor with display

0~5V 0~10V CO2 Transmitter Waterproof 5000ppm 10000ppm Carbon Dioxide Sensor with display

$509.42 $509.42

Categories: Tools, Measurement & Analysis Instruments

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39% off
yieryi 3 in 1 TDS Tester Conductivity Meter Water Measurement Temperature Tool Function 0-5000ppm EC Meter Arrived 30% off yieryi 3 in 1 TDS Tester Conductivity Meter Water Measurement Temperature Tool Function 0-5000ppm EC Meter Arrived 30% off

yieryi 3 in 1 TDS Tester Conductivity Meter Water Measurement Temperature Tool Function 0-5000ppm EC Meter Arrived 30% off

$6.10 $10.00

2 sold

Categories: Tools, Measurement & Analysis Instruments

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11% off
HT621 Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge LCD Display Sound and Light Alarm 0~5000ppm HT621 Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge LCD Display Sound and Light Alarm 0~5000ppm

HT621 Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge LCD Display Sound and Light Alarm 0~5000ppm

$25.09 $28.24

11 sold

Categories: Tools, Measurement & Analysis Instruments

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13% off
Carbon Dioxide Controller Dual Channel NDIR Day Night CO2 Sensor CO2 Meter Monitor For Green House Carbon Dioxide Controller Dual Channel NDIR Day Night CO2 Sensor CO2 Meter Monitor For Green House

Carbon Dioxide Controller Dual Channel NDIR Day Night CO2 Sensor CO2 Meter Monitor For Green House

$125.64 $144.84

3 sold

Categories: Tools, Measurement & Analysis Instruments

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73% off
3In1 Function Digital TDS EC Meter LCD TDS&EC Temperature Tester 0-5000ppm 9990us/cm TDS Conductivity Water Liquid Quality Tools 3In1 Function Digital TDS EC Meter LCD TDS&EC Temperature Tester 0-5000ppm 9990us/cm TDS Conductivity Water Liquid Quality Tools

3In1 Function Digital TDS EC Meter LCD TDS&EC Temperature Tester 0-5000ppm 9990us/cm TDS Conductivity Water Liquid Quality Tools

$3.21 $11.88

1 sold

Categories: Tools, Measurement & Analysis Instruments

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26% off
CO2&PM2.5&VOC Ventilation System Controller Panel for EC 0-10V Modulation/AC Fan 3-Speed Working WIFI/RS485 Protocol CO2&PM2.5&VOC Ventilation System Controller Panel for EC 0-10V Modulation/AC Fan 3-Speed Working WIFI/RS485 Protocol

CO2&PM2.5&VOC Ventilation System Controller Panel for EC 0-10V Modulation/AC Fan 3-Speed Working WIFI/RS485 Protocol

$1216.77 $1644.29

1 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

CO2 Meter Controller Detector Air Quality Dual-Output with 15ft Remote NDIR Sensor Human Plant Mode for Greenhouse Mushroom Etc

$166.45 $237.78

1 sold

Categories: Tools, Measurement & Analysis Instruments

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