Key facts
- Brand
- Vaisala
- Model
- HMP140
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-06
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VAISALA HMDW6070/HMP140 Manual
This guide explains how to use the HMI41 as a field calibrator for Vaisala HMP140 analogue humidity transmitters. It covers the selection of calibrator functions, scale selection modes, and step‑by‑step calibration procedures.
The manual also provides the standard transmitter settings, default HMI41 memory values, and detailed instructions for voltage and current output selections, ensuring accurate on‑site calibration of the HMP140 series.
Vaisala HMP140 specifications
| Relative humidity range | 0–100 %RH |
|---|---|
| Temperature range | -40 to +60 °C |
| Analogue outputs | 0–20 mA (4–20 mA), 0–1 V, 0–5 V, 0–10 V |
| Ingress protection | IP65 |
| Humidity sensor | HUMICAP® 180 |
| Temperature sensor | Pt1000 |
All Vaisala HMP140 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the humidity measurement range of the HMP140A?
The HMP140A measures relative humidity from 0 %RH to 100 %RH.
What temperature range does the HMP140A operate in?
It operates from –40 °C up to +60 °C.
How do you select the HMI41 calibrator function for HMP140 transmitters?
Press the ON/OFF button, then within 1–2 seconds press both ENTER and MODE buttons until the calibrator function text appears on the display.
What are the standard transmitter settings for the HMP140?
The HMP140 standard settings are 0…100 %RH humidity range, –40…460 °C temperature range, 0…5 V voltage output, and 0…20 mA current output.