Testo

Testo is an innovator in advanced measurement technology. The company has a distinguished history of engineering instruments with quality and value. In addition, Testo is recognized as a leader in HVAC, air flow and environmental monitoring devices. The brand serves the chemical, food service, biotechnology, and HVAC industries. Transcat provides a full selection of Testo instruments, including: temperature and humidity data loggers, combustion analyzers, light meters, pressure meters, handheld thermo-hygrometers, infrared thermometers, and other products for portable test and measurement.
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  1. Testo 0632 3330 Gas Leak Detection Probe for320/330
    Testo 0632 3330 Gas Leak Detection Probe for 320/330
    Order #: 0632 3330
    Mfg #: 0632 3330
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $501.34 Regular Price $527.73
    Gas Leak Detection Probe for 320/330 Learn More
  2. Testo 0390 0088
    Testo 0390 0088 CO Replacement Sensor,0-10K ppm
    Order #: 0390 0088
    Mfg #: 0390 0088
    Availability: Item ships in about Ships in 3-4 weeks
    $1,086.75
    CO Replacement Sensor,0-10K ppm Learn More
  3. Testo 0635 1032 Hot Wire Probe w/Temp.Sensor Fixed Cable
    Testo 0635 1032 Hot Wire Probe w/Temp.Sensor Fixed Cable
    Order #: 0635 1032
    Mfg #: 0635 1032
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $431.51 Regular Price $454.23
    Hot Wire Probe w/Temp.Sensor Fixed Cable Learn More
  4. Testo 440 Hot Wire Kit
    Testo 440 Hot Wire Kit
    Order #: 0563 4400
    Mfg #: 0563 4400
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $921.69 Regular Price $970.20
    Hot Wire Kit Learn More
  5. Testo 0560 4401 Air velocity and IAQ measuring instrument
    Testo 0560 4401 Air Velocity and IAQ Measuring Instrument
    Order #: 0560 4401
    Mfg #: 0560 4401
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $488.77 Regular Price $514.50
    Air Velocity and IAQ Measuring Instrument Learn More
  6. Testo 0516 4401 Combo Case for 440 & Several Probes
    Testo 0516 4401 Combo Case for 440 & Several Probes
    Order #: 0516 4401
    Mfg #: 0516 4401
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $120.09 Regular Price $126.42
    Combo Case for 440 & Several Probes Learn More
  7. Testo 0393 0151
    Testo 0393 0151 NO sensor 330LL(G)/330i
    Order #: 0393 0151
    Mfg #: 0393 0151
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $851.86 Regular Price $896.70
    NO sensor 330LL(G)/330i Learn More
  8. Testo 465 Non-Contact Tachometer
    Testo 465 Non-Contact Tachometer
    Order #: 0563 0465
    Mfg #: 0563 0465
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $389.62 Regular Price $410.13
    Non-Contact Tachometer Learn More
  9. Testo 0393 0051
    Testo 0393 0051 CO Replacement Sensor for Testo 330-1G
    Order #: 0393 0051
    Mfg #: 0393 0051
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $608.87 Regular Price $640.92
    CO Replacement Sensor for Testo 330-1G Learn More
  10. Testo 0554 2151
    Testo 0554 2151 Nitric Oxide Upgrade Module for 330-1G LL
    Order #: 0554 2151
    Mfg #: 0554 2151
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $1,185.62 Regular Price $1,248.03
    Nitric Oxide Upgrade Module for 330-1G LL Learn More
  11. Testo 0516 0221
    Testo 0516 0221 TopSafe Compact Case
    Order #: 0516 0221
    Mfg #: 0516 0221
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $58.65 Regular Price $61.74
    TopSafe Compact Case Learn More
  12. Testo 0560 6160 Moisture meter
    Testo 0560 6160 Moisture Meter
    Order #: 0560 6160
    Mfg #: 0560 6160
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $501.34 Regular Price $527.73
    Moisture Meter Learn More
  13. Testo 0554 4209 Teloscopic Stand for 420
    Testo 0554 4209 Telescopic Stand for 420
    Order #: 0554 4209
    Mfg #: 0554 4209
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $579.54 Regular Price $610.05
    Telescopic Stand for 420 Learn More
  14. Testo 0554 4203 36" x 36" Fabric Hood for 420
    Testo 0554 4203 36" x 36" Fabric Hood for 420
    Order #: 0554 4203
    Mfg #: 0554 4203
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $488.77 Regular Price $514.50
    36" x 36" Fabric Hood for 420 Learn More
  15. Testo 0554 4201 12" x 48" Fabric Hood for 420
    Testo 0554 4201 12" x 48" Fabric Hood for 420
    Order #: 0554 4201
    Mfg #: 0554 4201
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $363.09 Regular Price $382.20
    12" x 48" Fabric Hood for 420 Learn More
  16. Testo 0554 4200 14" x 14" Fabric Hood for 420
    Testo 0554 4200 14" x 14" Fabric Hood for 420
    Order #: 0554 4200
    Mfg #: 0554 4200
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $321.19 Regular Price $338.10
    14" x 14" Fabric Hood for 420 Learn More
  17. Differential Pressure Measuring Instrument
    Testo 420 Differential Pressure Measuring Instrument
    Order #: 0560 0420
    Mfg #: 0560 0420
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $1,494.25 Regular Price $1,572.90
    Differential Pressure Measuring Instrument Learn More
  18. Testo 0554 3372
    Testo 0554 3372 2pc.Spare Sintered Filter Set for Flue Gas Std.Sampling Probe
    Order #: 0554 3372
    Mfg #: 0554 3372
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $137.22 Regular Price $142.31
    2pc.Spare Sintered Filter Set for Flue Gas Std.Sampling Probe Learn More
  19. Testo 0563 8170 Sound Level Meter
    Testo 816-1 Sound Level Meter w/Built-in Data Logger
    Order #: 0563 8170
    Mfg #: 0563 8170
    Availability: In stock
    Special Price $1,005.48 Regular Price $1,058.40
    Sound Level Meter w/Built-in Data Logger Learn More
  20. Testo 0554 0452 Sound Level Calibrator
    Testo 0554 0452 Sound Level Calibrator
    Order #: 0554 0452
    Mfg #: 0554 0452
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $582.25 Regular Price $603.82
    Sound Level Calibrator Learn More
  21. Testo 0636 9835 Standard DP Probe
    Testo 0636 9835 Standard DP Probe
    Order #: 0636 9835
    Mfg #: 0636 9835
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $1,598.99 Regular Price $1,683.15
    Standard DP Probe Learn More
  22. Testo 0646 0916
    Testo 0646 0916 Thermometer Measuring Strips +71 to +110C,10 Strips
    Order #: 0646 0916
    Mfg #: 0646 0916
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $53.06 Regular Price $55.86
    Thermometer Measuring Strips +71 to +110C,10 Strips Learn More
  23. Testo 0646 0108
    Testo 0646 0108 Temperature Measuring Strips +98.6 to +149F,10 Strips
    Order #: 0646 0108
    Mfg #: 0646 0108
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $53.06 Regular Price $55.86
    Temperature Measuring Strips +98.6 to +149F,10 Strips Learn More
  24. Testo 405I
    Testo 405I Hot Wire Anemometer Smart Probe
    Order #: 0560 1405
    Mfg #: 0560 1405 01
    Availability: Item ships in about Ships in 2-3 weeks
    Special Price $174.56 Regular Price $183.75
    Hot Wire Anemometer Smart Probe Learn More
  25. Testo 0555 6441
    Testo 0555 6441 Compressed Air Flow Transmitter (1/2")
    Order #: 0555 6441
    Mfg #: 0555 6441
    Availability: Item ships in about Ships in 3-4 weeks
    Special Price $1,440.24 Regular Price $1,516.05
    Compressed Air Flow Transmitter (1/2") Learn More
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