Calibration Services for Temperature and Relative Humidity Measuring Instruments

The LPTW calibration laboratory is officially approved by the Polish Centre for Accreditation with certificate No AP 196.

The LPTW Temperature and Humidity Measurements Laboratory is accredited (AP 196) for calibration of the following instruments:

  • Electric thermometers (including electronic and temperature recording thermometers) from -30 °C to +150 °C measuring range
  • Hygrometers and thermohygrometers within the following measuring ranges:
    1. (30 ÷ 80) %RH within the temperature range (10 ÷ 20) °C,
    2. (20 ÷ 90) %RH within the temperature range (25 ÷ 40) °C.

Calibration certificates are issued for the above-mentioned measuring instruments; these include the calibration results along with the determined measurement errors and uncertainty of measurement in relation to the indications of the standard at the selected measurement points.

Inquiries and orders:

Email address: or phone (+48) 22 874 03 47
Please fill out the appropriate form or describe in the e-mail how we can help.