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 2 - 3 Weeks
    Special Price $461.00 Regular Price $477.47
    Gas Leak Detection Probe for 320/330 Learn More
  2. Testo 770-3 TRMS Clamp Meter w/Power &Bluetooth
    Testo 770-3 TRMS Clamp Meter w/Power & Bluetooth
    Order #: 0590 7703
    Mfg #: 0590 7703
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $321.00 Regular Price $332.50
    TRMS Clamp Meter w/Power & Bluetooth Learn More
  3. Testo 0390 0093
    Testo 0390 0093 NO Replacement Sensor,0-3K ppm
    Order #: 0390 0093
    Mfg #: 0390 0093
    Availability: Item ships in about 2 - 3 Weeks
    $949.62
    NO Replacement Sensor,0-3K ppm Learn More
  4. Testo 0390 0088
    Testo 0390 0088 CO Replacement Sensor,0-10K ppm
    Order #: 0390 0088
    Mfg #: 0390 0088
    Availability: Item ships in about 2 - 3 Weeks
    $1,070.65
    CO Replacement Sensor,0-10K ppm Learn More
  5. Testo 0390 0049
    Testo 0390 0049 O2 Replacement Sensor for Testo 335
    Order #: 0390 0049
    Mfg #: 0390 0049
    Availability: Item ships in about 2 - 3 Weeks
    $385.70
    O2 Replacement Sensor for Testo 335 Learn More
  6. 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 2 - 3 Weeks
    Special Price $397.00 Regular Price $410.97
    Hot Wire Probe w/Temp.Sensor Fixed Cable Learn More
  7. Testo 440 Hot Wire Kit
    Testo 440 Hot Wire Kit
    Order #: 0563 4400
    Mfg #: 0563 4400
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $847.00 Regular Price $877.80
    Hot Wire Kit Learn More
  8. 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 2 - 3 Weeks
    Special Price $449.00 Regular Price $465.50
    Air Velocity and IAQ Measuring Instrument Learn More
  9. 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 2 - 3 Weeks
    Special Price $111.00 Regular Price $114.38
    Combo Case for 440 & Several Probes Learn More
  10. Testo 0393 0151
    Testo 0393 0151 NO sensor 330LL(G)/330i
    Order #: 0393 0151
    Mfg #: 0393 0151
    Availability: Item ships in about 2 - 3 Weeks
    $750.12
    NO sensor 330LL(G)/330i Learn More
  11. Testo 465 Non-Contact Tachometer
    Testo 465 Non-Contact Tachometer
    Order #: 0563 0465
    Mfg #: 0563 0465
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $358.00 Regular Price $371.07
    Non-Contact Tachometer Learn More
  12. Testo 0393 0051
    Testo 0393 0051 CO Replacement Sensor for Testo 330-1G
    Order #: 0393 0051
    Mfg #: 0393 0051
    Availability: Item ships in about 2 - 3 Weeks
    $535.99
    CO Replacement Sensor for Testo 330-1G Learn More
  13. Testo 0699 7077/1 Air Flow Velocity Matrix Kit w/Telescope & Connection Hose
    Testo 0699 7077/1 Air Flow Velocity Matrix Kit w/ Telescope & Connection Hose
    Order #: 0699 7077/1
    Mfg #: 0699 7077/1
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $764.41 Regular Price $804.65
    Air Flow Velocity Matrix Kit w/ Telescope & Connection Hose Learn More
  14. 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 2 - 3 Weeks
    $1,050.70
    Nitric Oxide Upgrade Module for 330-1G LL Learn More
  15. Testo 0516 0221
    Testo 0516 0221 TopSafe Compact Case
    Order #: 0516 0221
    Mfg #: 0516 0221
    Availability: Item ships in about 2 - 3 Weeks
    $51.87
    TopSafe Compact Case Learn More
  16. Testo 0560 6160 Moisture meter
    Testo 0560 6160

    Moisture Meter

    Order #: 0560 6160
    Mfg #: 0560 6160
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $461.00 Regular Price $477.47

    Moisture Meter

    Learn More
  17. Testo 0554 4209 Teloscopic Stand for 420
    Testo 0554 4209 Teloscopic Stand for 420
    Order #: 0554 4209
    Mfg #: 0554 4209
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $533.00 Regular Price $551.95
    Teloscopic Stand for 420 Learn More
  18. 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 2 - 3 Weeks
    Special Price $449.00 Regular Price $465.50
    36" x 36" Fabric Hood for 420 Learn More
  19. 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 2 - 3 Weeks
    Special Price $334.00 Regular Price $345.80
    12" x 48" Fabric Hood for 420 Learn More
  20. 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 2 - 3 Weeks
    Special Price $295.00 Regular Price $305.90
    14" x 14" Fabric Hood for 420 Learn More
  21. Testo 0192 1557
    Testo 0192 1557 Slider
    Order #: 0192 1557
    Mfg #: 0192 1557
    Availability: Item ships in about 2 - 3 Weeks
    $1.33
    Slider Learn More
  22. Testo 0135 0133
    Testo 0135 0133 Seal for Trap
    Order #: 0135 0133
    Mfg #: 0135 0133
    Availability: Item ships in about 2 - 3 Weeks
    $2.66
    Seal for Trap Learn More
  23. Differential Pressure Measuring Instrument
    Testo 420 Differential Pressure Measuring Instrument
    Order #: 0560 0420
    Mfg #: 0560 0420
    Availability: Item ships in about 2 - 3 Weeks
    Special Price $1,373.00 Regular Price $1,423.10
    Differential Pressure Measuring Instrument Learn More
  24. 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 $138.00 Regular Price $142.31
    2pc.Spare Sintered Filter Set for Flue Gas Std.Sampling Probe Learn More
  25. Testo 0563 0510 Digital Manometer
    Testo 0563 0510 Digital Manometer
    Order #: 0563 0510
    Mfg #: 0563 0510
    Availability: Item discontinued
    Special Price $207.00 Regular Price $229.50
    View details
    Digital Manometer Learn More
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