testo 623, temperature and humidity measurement device

The histogram displays temperature and humidity values over past days – an overview is available for up to 12 weeks. For the selected time interval, 12 histogram bars show intermediate values over the last 5 minutes, 10 minutes, 1 hour, 2 hours, or 12 hours.

Sensor Accuracy:

* Temperature: ±0.4 °C + 1 digit
* Humidity: ±2 % RH + 1 digit at 25 °C (10 … 90 %)

Instant Display of Key Values

  • Temperature, humidity, date, and time
  • Selectable measurement units: temperature: °C, °F; humidity: % RH, td, wb
  • Maximum and minimum values displayed with a single button press
Category:
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Description

Order Number: 0560 6230

Registered in the State System Register for Ensuring the Uniformity of Measurements of the Republic of Kazakhstan
on 28.01.2021 under No. KZ.02.01.00878-2020
Valid until 28.01.2026


Technical Data
Measurement Units°C, °F, % RH, td, wb, in Hg, in H₂O, psi
ResolutionTemperature: 0.1 °C
Humidity: 0.1 % RH
Measurement RangeTemperature: -10 … 60 °C
Humidity: 0 … 100 % RH
AccuracyTemperature: ±0.4 °C + 1 digit
Humidity: ±2 % RH + 1 digit at 25 °C
Battery Life12 months
Weight240 g