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  1. PH Value Test Module with Rechargeable Probe and PH-4/PH-9.18 Buffer Solution (Temperature Compensated) PH Value Test Module with Rechargeable Probe and PH-4/PH-9.18 Buffer Solution (Temperature Compensated) PH Value Test Module with Rechargeable Probe and PH-4/PH-9.18 Buffer Solution (Temperature Compensated) PH Value Test Module with Rechargeable Probe and PH-4/PH-9.18 Buffer Solution (Temperature Compensated)
    PH Value Test Module with Rechargeable Probe and PH-4/PH-9.18 Buffer Solution (Temperature Compensated)
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    141234
    PH Value Test Module with Rechargeable Probe and PH-4/PH-9.18 Buffer Solution (Temperature Compensated)
    $26.5000 As low as $23.4200
    In stock
  2. MICS-4514, CO/NO2/NH3/CH4 Gas Sensor Module MICS-4514, CO/NO2/NH3/CH4 Gas Sensor Module MICS-4514, CO/NO2/NH3/CH4 Gas Sensor Module MICS-4514, CO/NO2/NH3/CH4 Gas Sensor Module
    MICS-4514, CO/NO2/NH3/CH4 Gas Sensor Module
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    141234
    MICS-4514, CO/NO2/NH3/CH4 Gas Sensor Module
    $20.9500 As low as $18.5200
    In stock
  3. MP-135 Air-Quality Gas Module MP-135 Air-Quality Gas Module MP-135 Air-Quality Gas Module MP-135 Air-Quality Gas Module
    MP-135 Air-Quality Gas Module
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    141234
    MP-135 Air-Quality Gas Module
    $1.7500 As low as $1.5200
    In stock
  4. MP-4 Nature Gas /Combustible Gas Module MP-4 Nature Gas /Combustible Gas Module MP-4 Nature Gas /Combustible Gas Module
    MP-4 Nature Gas /Combustible Gas Module
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    13123
    MP-4 Nature Gas /Combustible Gas Module
    $1.7500 As low as $1.5200
    In stock
  5. MP-2 Smoke Gas Module MP-2 Smoke Gas Module MP-2 Smoke Gas Module MP-2 Smoke Gas Module
    MP-2 Smoke Gas Module
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    141234
    MP-2 Smoke Gas Module
    $1.7500 As low as $1.5200
    In stock
  6. MP-135 Air-Quality Gas Sensor MP-135 Air-Quality Gas Sensor MP-135 Air-Quality Gas Sensor
    MP-135 Air-Quality Gas Sensor
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    13123
    MP-135 Air-Quality Gas Sensor
    $1.2500 As low as $1.0800
    In stock
  7. MP-4 Nature Gas /Combustible Gas Sensor MP-4 Nature Gas /Combustible Gas Sensor MP-4 Nature Gas /Combustible Gas Sensor MP-4 Nature Gas /Combustible Gas Sensor
    MP-4 Nature Gas /Combustible Gas Sensor
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    141234
    MP-4 Nature Gas /Combustible Gas Sensor
    $1.2500 As low as $1.0600
    In stock
  8. MP-2 Smoke Gas Sensor MP-2 Smoke Gas Sensor MP-2 Smoke Gas Sensor MP-2 Smoke Gas Sensor
    MP-2 Smoke Gas Sensor
    Quickview
    141234
    MP-2 Smoke Gas Sensor
    $1.5000 As low as $1.3200
    In stock
  9. Figaro TGS813 Combustible Gas Module Figaro TGS813 Combustible Gas Module Figaro TGS813 Combustible Gas Module Figaro TGS813 Combustible Gas Module
    Figaro TGS813 Combustible Gas Module
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    141234
    Figaro TGS813 Combustible Gas Module
    $9.5000 As low as $8.4000
    In stock
  10. Figaro TGS822 Alcohol Gas Module Figaro TGS822 Alcohol Gas Module Figaro TGS822 Alcohol Gas Module
    Figaro TGS822 Alcohol Gas Module
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    13123
    Figaro TGS822 Alcohol Gas Module
    $5.5000 As low as $4.8300
    In stock
  11. Figaro TGS822 Alcohol Gas Sensor Figaro TGS822 Alcohol Gas Sensor Figaro TGS822 Alcohol Gas Sensor Figaro TGS822 Alcohol Gas Sensor
    Figaro TGS822 Alcohol Gas Sensor
    Quickview
    141234
    Figaro TGS822 Alcohol Gas Sensor
    $5.5000 As low as $4.8300
    In stock
  12. Deli TDS Water Quality Detection Pen Deli TDS Water Quality Detection Pen Deli TDS Water Quality Detection Pen Deli TDS Water Quality Detection Pen
    Deli TDS Water Quality Detection Pen
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    141234
    Deli TDS Water Quality Detection Pen
    $7.2500 As low as $6.4100
    In stock
  13. SCD40/SCD41 CO2 Gas Sensor Module SCD40/SCD41 CO2 Gas Sensor Module SCD40/SCD41 CO2 Gas Sensor Module SCD40/SCD41 CO2 Gas Sensor Module
    SCD40/SCD41 CO2 Gas Sensor Module
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    141234
    SCD40/SCD41 CO2 Gas Sensor Module
    $15.7500 As low as $13.9200
    In stock
  14. ENS160 and AHT21 CO2, Temperature And Humidity Sensor ENS160 and AHT21 CO2, Temperature And Humidity Sensor ENS160 and AHT21 CO2, Temperature And Humidity Sensor ENS160 and AHT21 CO2, Temperature And Humidity Sensor
    ENS160 and AHT21 CO2, Temperature And Humidity Sensor
    Quickview
    141234
    ENS160 and AHT21 CO2, Temperature And Humidity Sensor
    $5.2500 As low as $4.6600
    In stock
  15. CQRSENTDS01 TDS Sensor for Liquid Quality Analysis CQRSENTDS01 TDS Sensor for Liquid Quality Analysis CQRSENTDS01 TDS Sensor for Liquid Quality Analysis CQRSENTDS01 TDS Sensor for Liquid Quality Analysis
    CQRSENTDS01 TDS Sensor for Liquid Quality Analysis
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    141234
    CQRSENTDS01 TDS Sensor for Liquid Quality Analysis
    $3.2500 As low as $2.8600
    In stock
  16. Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module
    Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module
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    141234
    Oxidation-Reduction Potential (ORP) Redox Water Quality Detection Module
    SAVE
    As low as $54.9500
    In stock
  17. MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module
    MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module
    Quickview
    13123
    MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module
    $30.5000 As low as $26.9500
    In stock
  18. ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module
    ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module
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    141234
    ASAIR AO-03 Oxygen Sensor - STM32 Analog Voltage Output Module
    $34.7500 As low as $30.8200
    In stock
  19. Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module
    Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module
    Quickview
    141234
    Aosong ASAIR AOF1010 Short Ultrasonic Oxygen Sensor Module
    $20.5000 As low as $18.1600
    In stock
  20. MICS-5524 Air Quality Gas Sensor Module MICS-5524 Air Quality Gas Sensor Module MICS-5524 Air Quality Gas Sensor Module MICS-5524 Air Quality Gas Sensor Module
    MICS-5524 Air Quality Gas Sensor Module
    Quickview
    141234
    MICS-5524 Air Quality Gas Sensor Module
    $5.9500 As low as $5.2600
    In stock
  21. ZE08-CH2O Formaldehyde Concentration Measurement Module ZE08-CH2O Formaldehyde Concentration Measurement Module ZE08-CH2O Formaldehyde Concentration Measurement Module ZE08-CH2O Formaldehyde Concentration Measurement Module
    ZE08-CH2O Formaldehyde Concentration Measurement Module
    Quickview
    141234
    ZE08-CH2O Formaldehyde Concentration Measurement Module
    $8.2500 As low as $7.3200
    In stock
  22. CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module
    CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module
    Quickview
    141234
    CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module
    $9.2500 As low as $8.2000
    In stock
  23. SGP30 Air Quality VOC and eCO2 Sensor Module
    SGP30 Air Quality VOC and eCO2 Sensor Module
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    SGP30 Air Quality VOC and eCO2 Sensor Module
    $6.7500 As low as $5.9600
    In stock
  24. MAX30100 Blood-Oxygen Heart-Rate Sensor Module MAX30100 Blood-Oxygen Heart-Rate Sensor Module MAX30100 Blood-Oxygen Heart-Rate Sensor Module MAX30100 Blood-Oxygen Heart-Rate Sensor Module
    MAX30100 Blood-Oxygen Heart-Rate Sensor Module
    Quickview
    141234
    MAX30100 Blood-Oxygen Heart-Rate Sensor Module
    $0.9500 As low as $0.8400
    In stock
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