Sensors

Here you will find a wide selection of spare sensors for your flue gas analyzers. Find an assortment of sensors including CO, NO, H2S and NO2 to fit your application.


Testo 0554 3515 Replacement Gas Sensor for 513 and 515 Ex leak detectors, CH₄/C₃H₈/C₄H₁₀/H₂-

Testo 0554 3515 Replacement Gas Sensor for 513 and 515 Ex leak detectors, CH₄/C₃H₈/C₄H₁₀/H₂
Model: 0554 3515

Sale Price $127.50 USD
Regular Price $150.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $127.50 USD
Regular Price $150.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0554 4515 Replacement Refrigerant Sensor for 514 and 515 leak detectors, R290-

Testo 0554 4515 Replacement Refrigerant Sensor for 514 and 515 leak detectors, R290
Model: 0554 4515

Sale Price $182.75 USD
Regular Price $215.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $182.75 USD
Regular Price $215.00 USD
Availability 2 to 3 Weeks
Quantity

RENTAL! Rental - Testo 330-2 LL Combustion Analyzer Kit W/ NO Sensor-

Rental - Testo 330-2 LL Combustion Analyzer Kit W/ NO Sensor
Model: 330-2 LL-RENTAL | Order No: 0563 3372 70-RENTAL

Duration   day(s)
Your Price
55.00 USD

Qty:

RENTAL! Rental - Testo 330-2 LL Combustion Analyzer Kit W/ NO Sensor-

Rental - Testo 330-2 LL Combustion Analyzer Kit W/ NO Sensor
Model: 330-2 LL-RENTAL | Order No: 0563 3372 70-RENTAL

Duration   day(s)
Your Price
55.00 USD
Quantity

Testo 835-H1 Infrared Thermometer with integrated humidity module, -30 to 600°C-

Testo 835-H1 Infrared Thermometer with integrated humidity module, -30 to 600°C
Model: 835-H1 | Order No: 0560 8353

Sale Price $538.05 USD
Regular Price $633.00 USD
Availability 1 Week

Qty:

Sale Price $538.05 USD
Regular Price $633.00 USD
Availability 1 Week
Quantity

Testo 0393 0104 CO (H<sub>2</sub>-Compensated) Replacement Sensor, 0 to 10,000 ppm, red-

Testo 0393 0104 CO (H2-Compensated) Replacement Sensor, 0 to 10,000 ppm, red
Model: 0393 0104

Sale Price $1105.00 USD
Regular Price $1300.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1105.00 USD
Regular Price $1300.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0393 0111 Replacement CO Sensor with H2 compensation for the 330-

Testo 0393 0111 Replacement CO Sensor with H2 compensation for the 330
Model: 0393 0111

Sale Price $638.35 USD
Regular Price $751.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $638.35 USD
Regular Price $751.00 USD
Availability 1 to 2 Weeks
Quantity

Testo 0393 0000 O<sub>2</sub> Sensor, 0 to 25%-

Testo 0393 0000 O2 Sensor, 0 to 25%
Model: 0393 0000

Sale Price $429.25 USD
Regular Price $505.00 USD
Availability 1 Week

Qty:

Sale Price $429.25 USD
Regular Price $505.00 USD
Availability 1 Week
Quantity

Testo 0393-0023 O2 Sensor for the Testo 300 Combustion Analyzer-

Testo 0393-0023 O2 Sensor for the Testo 300 Combustion Analyzer
Model: 0393 0023

Sale Price $234.60 USD
Regular Price $276.00 USD
Availability 1 in Stock

Qty:

Sale Price $234.60 USD
Regular Price $276.00 USD
Availability 1 in Stock
Quantity

Testo 0572-2021 160-TH WiFi Data Logger with integrated temperature and humidity sensor-

Testo 0572-2021 160-TH WiFi Data Logger with integrated temperature and humidity sensor
Model: 0572 2021

Sale Price $255.00 USD
Regular Price $300.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $255.00 USD
Regular Price $300.00 USD
Availability 1 to 2 Weeks
Quantity

Testo 0554 0188 Radio Module for the 922, 869.85 MHz-

Testo 0554 0188 Radio Module for the 922, 869.85 MHz
Model: 0554 0188

Sale Price $83.30 USD
Regular Price $98.00 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $83.30 USD
Regular Price $98.00 USD
Availability 4 to 5 Weeks
Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9"-

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9"
Model: 440 | Order No: 0563 4409

Sale Price $1882.75 USD
Regular Price $2215.00 USD
Availability 5 Days

Qty:

Sale Price $1882.75 USD
Regular Price $2215.00 USD
Availability 5 Days
Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63"-

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63"
Model: 440 | Order No: 0563 4410

Sale Price $2340.90 USD
Regular Price $2754.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $2340.90 USD
Regular Price $2754.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor-

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor
Model: 440 | Order No: 0560 4402

Sale Price $603.50 USD
Regular Price $710.00 USD
Availability 2 in Stock

Qty:

Sale Price $603.50 USD
Regular Price $710.00 USD
Availability 2 in Stock
Quantity

Testo 0390 0061 Spare O2 Sensor for 330-1 LL/-2 LL Flue Gas Analyzer-

Testo 0390 0061 Spare O2 Sensor for 330-1 LL/-2 LL Flue Gas Analyzer
Model: 0390 0061

Sale Price $601.80 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $601.80 USD
Regular Price $708.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0390 0075 NO2 Replacement Sensor-

Testo 0390 0075 NO2 Replacement Sensor
Model: 0390 0075

Sale Price $1548.70 USD
Regular Price $1822.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $1548.70 USD
Regular Price $1822.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 0390 0076 HC Replacement Sensor -

Testo 0390 0076 HC Replacement Sensor
Model: 0390 0076

Sale Price $1505.35 USD
Regular Price $1771.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $1505.35 USD
Regular Price $1771.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 0390 0077 NO Replacement Sensor, Low 0-300 ppm-

Testo 0390 0077 NO Replacement Sensor, Low 0-300 ppm
Model: 0390 0077

Sale Price $1504.50 USD
Regular Price $1770.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $1504.50 USD
Regular Price $1770.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 0390 0078 CO Replacement Sensor, Low-

Testo 0390 0078 CO Replacement Sensor, Low
Model: 0390 0078

Sale Price $1516.40 USD
Regular Price $1784.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1516.40 USD
Regular Price $1784.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0390 0081 SO2 Replacement Sensor, 0-5000 ppm-

Testo 0390 0081 SO2 Replacement Sensor, 0-5000 ppm
Model: 0390 0081

Sale Price $1463.70 USD
Regular Price $1722.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1463.70 USD
Regular Price $1722.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0390 0088 CO Replacement Sensor, 0-10000 ppm-

Testo 0390 0088 CO Replacement Sensor, 0-10000 ppm
Model: 0390 0088

Sale Price $1182.35 USD
Regular Price $1391.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1182.35 USD
Regular Price $1391.00 USD
Availability 2 to 3 Weeks
Quantity