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Analysis of past temperature and humidity measurement values directly on site
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Histogram shows measurement values of last 90 days All
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important values at a glance
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Large, easily legible display
The temperature and humidity measuring instrument testo 623 shows current and past temperature and humidity values as well as date and time, simultaneously in a large, clear display. This way, you have all important values constantly in view.
The displayed curve analysis offers optimum evaluation of the measurement results of the past 90 days. The testo 623 is thus ideal for fast on-site checks of ambient conditions without complicated analysis on a PC.
Thanks to the long-term stable sensor, the measuring instrument provides reliable and correct measurement results even after years. The hanging and standing bracket allows flexible positioning of the instrument on a table or wall.
Technical data / Accessories
General technical data
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Measuring rate
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20 s
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Storage temperature
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-20 to +60 °C
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Operating temperature
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-10 to +60 °C
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Battery life
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12 months
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Weight
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240 g
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Dimensions
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185 x 105 x 36 mm
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Sensor types
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NTC
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Testo humid. sensor, cap.
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Measuring range
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-10 to +60 °C
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0 to 100 %RH*
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Accuracy ±1 digit
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±0.4 °C
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±2 %RH** at +25 °C (10 to 90 %RH)
±3 %RH** (remaining range)
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Resolution
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0.1 °C
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0.1 %RH
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* Not for condensing atmospheres. For continuous use in high humidity (>80 %RH at ?30 °C for >12 h, >60 %RH at >30 °C for >12 h), please contact us via our website.
** Please see the additional accuracy information for humidity in the instruction manual.
Accessories for measuring instrument Part no.
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ISO calibration certificate humidity, calibration points 11.3 %RH and 75.3 %RH at +25 °C/+77 °F; per channel/instrument
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0520 0076
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DAkkS calibration certificate humidity
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0520 0246
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