

If you are looking for quick and accurate onsite or in-situ Vaisala DMT152 calibration the FPG dew point calibrator is probably the instrument to solve the problem.
Calibrating precise moisture measurement instrumentation is critical for ensuring accurate environmental and industrial monitoring. The Vaisala DRYCAP® Dewpoint Transmitter DMT152 is designed for measuring low dew point in OEM applications, even down to -80°C. DMT152 is an ideal choice for the semiconductor and battery manufacturing industries, air and plastics dryers, glove boxes, dry chambers, pure gases, additive manufacturing, high voltage circuit breakers and other applications where it is critical to control humidity with high accuracy.
The FPG dew point calibrator provides an advanced solution for calibrating the Vaisala DMT152 dew point measurement transmitter, offering a convenient and acurate method for verifying the transmitter’s performance.
Here’s how Qrometrics’ Dew Point Calibrator can be used to calibrate the Vaisala DMT152 dew point measurement transmitter:
The calibration process begins by inserting the Vaisala DMT152 into one of three ports using an adaptor and upon start up the FPG will quickly establish a stable environment where precise conditions are generated and maintained.
The FPG operates by creating a precisely controlled surface where water vapour condenses and freezes, generating a known frost point temperature. This method is particularly advantageous because it provides an extremely accurate reference point for moisture measurement. By systematically varying the frost point temperature across a range of conditions, the technician can comprehensively assess the DMT152 transmitter’s accuracy and response characteristics against a known reference.
During Vaisala DMT152 calibration, multiple reference points are established to create a comprehensive performance profile. Typically, this involves generating frost points at different temperatures, ranging from -80°C to 0°C, which allows for a full evaluation of the transmitter’s measurement capabilities across various environmental conditions. Each reference point is constantly recorded and compared against the DMT152’s output.
The instrument’s data is recorded and once the run is complete it is processed to detect any deviation from expected performance and the FPG.
The FPG sophisticated design minimizes external interference, providing a controlled environment that supports repeatable and reliable calibration results.
By utilising the FPG, organizations can confidently validate the performance of their Vaisala DMT152 dew point measurement transmitters, ensuring measurement accuracy, reliability and compliance with stringent technical specifications. In order to quickly and easily undertake Vaisala calibration we think the FPG is the ideal instrument either in the lab or in situ.

Qrometric is a UKAS accredited calibration laboratory, Laboratory No. 27982. Send us a message using the contact form below and we will get in touch to provide a quote.