Testo 645 Humidity/Temperature Measuring Instrument

100 in stock

3941

Testo 645 Humidity/Temperature Measuring Instrument consequently demonstrate the estimation parameters of relative dampness, supreme moistness, dew point, level of stickiness, enthalpy, and temperature at the dash of a catch.
Applications: Monitoring of temperature and humidity values in production, storage and server rooms, museums, archives, cold stores, containers, and display cases.

 

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Testo 645 Humidity/Temperature Measuring Instrument measuring instrument offer two probe inputs for attaching a comprehensive range of probes:

Channel 1: temperature probe, type K/J/S, NTC
Channel 2: humidity/temperature probe or Pt 100 temperature probe

At the touch of a button, the Thermohygrometer has the Temperature and Humidity Sensors that automatically indicate the measurement parameters of temperature, relative humidity, dew point, pressure dew point, absolute humidity, degree of humidity, and enthalpy, along with min., max. and mean values, as well as the last measured value. This Temperature and Humidity Monitor provides a Convenient evaluation of the measurement data is possible using the optional PC software. Measured data can also be printed out directly at the measuring location via the optional Testo fast printer.
Features of Testo Humidity/Temperature Measuring Instrument:

  • High precision humidity measurement up to ± 1% RH
  • This Temperature and Humidity Indicator can read up to 3,000 readings (Internal reading memory)
  • Convenient data evaluation via optional PC software
  • This Testo 645 Humidity/Temperature Measuring Instrument has the Possibility of attaching a really wide range of optional probes.

Additional information

Weight 1 kg
Manufacturer

Testo

Model No

645

Measuring Parameters

Humidity – Capacitive, Pt100, Temperature – NTC, Temperature – TC Type J (Fe-CuNi), Temperature – TC Type K (NiCr-Ni), Temperature – TC Type S (Pt10Rh-Pt)

Temperature

(Pt100) -200 to +800 °C

Accuracy

±0.1 % of mv (200.1 to 800 °C), ±0.2 °C (-200 to 200 °C)

Resolution

0.1 °C

Temperature - NTC

-50 to +150 °C

Resolution

0.1 °C

Temperature - TC Type K (NiCr-Ni)

-200 to +1370 °C

Accuracy

±0.3 °C (-60 to +60 °C), ±0.5 % of mv (+60.1 to +1370 °C), ±0.5 % of mv (-200 to -60.1 °C)

Resolution

0.1 °C

Temperature - TC Type J

-40 to +750 °C

Accuracy

±0.3 °C (-60 to +60 °C), ±0.5 % of mv (+60.1 to +750 °C), ±0.5 % of mv (-200 to -60.1 °C)

Resolution

0.1 °C

Temperature - TC Type S (Pt10Rh-Pt)

-50 to +1700 °C

Humidity - Capacitive

0 to 100 %RH

Accuracy

See probe data

Resolution

0.1 %RH (-50 to +150 °C)

Operating Temperature

0 to 50 °C

Storage Temperature

-20 to 70 °C

Number of channels

2-channel

Housing

ABS

Battery

9V block battery

Battery Life

45 Hours

Display Size/Type

4 lines/LCD

Dimension

215 x 68 x 47 mm

Weight

255 Grams

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Testo 645 Humidity/Temperature Measuring Instrument