User manual VAISALA HMT120 DATASHEET

[. . . ] www. vaisala. com Vaisala HUMICAP® Humidity and Temperature Transmitters HMT120 and HMT130 Features/Benefits The HMT120/130 with and without a display. Vaisala HUMICAP® technology with humidity sensor HUMICAP® 180R 2-wire loop-powered or 3-wire voltage output configurations Interchangeable probe (easy field calibration) Accurate and reliable Resistant to dust and most chemicals Optional LCD display USB cable available for a PC connection for maintenance Wall-mounted or with a remote probe Constant output probe available Can be mounted outdoors using a Vaisala installation kit and the Vaisala Radiation Shield DTR502B Enclosure IP65 Suitable for cleanrooms and demanding HVAC applications The Vaisala HUMICAP® Humidity and Temperature Transmittersw HMT120 and HMT130 are designed for humidity and temperature monitoring in cleanrooms and are also suitable for demanding HVAC applications. done through the back wall of the transmitter. Interchangeable Probe The HMT120/130 transmitters use a fully interchangeable relative humity probe. [. . . ] The transmitters come with an optional, LCD display, which shows the measurement results of selected parameters in selected units. The parameters are displayed simultaeously at two separate rows on the display. Technical Data Performance RELATIVE HUMIDITY Mechanics Material transmitter housing display window probe body probe grid filter Housing classification Connections inputs and outputs probe interface Probe cable lengths Display (optional) Weigth (including probe) PBT plastic PC plastic Chrome coated aluminum Chrome coated ABS plastic IP65 Screw terminals 0. 5 . . . 1. 5 mm2 4-pin M8 female panel connector 3 m, 5 m, 10 m - up to 50 m 128 x 64 resolution full graphics B&W display without backlight 270 g Measurement range 0 . . . 100 %RH Accuracy including non-linearity, hysteresis, and repeatability at 0 °C . . . 100 %RH) Factory calibration uncertainty at +20 °C (+68 °F) ±1. 5 %RH Humidity sensor Vaisala HUMICAP® 180R TEMPERATURE Measurement range -40 °C . . . +80 °C ±0. 4 °C Temperature sensor Pt1000 RTD 1/3 Class B IEC 751 Operating temperature range transmitter body, no display -40 °C . . . +70 °C Electromagnetic compatibility EN 61326-1 and EN 55022 Accessories Humidity and temperature probe Humidity and temperature replacement probe Constant output probe Humidity sensor Probe mounting flange Probe mounting clamps, 10 pcs HMP110 sensor protection plastic grid filter plastic grid with membrane filter stainless steel sintered filter Probe cable 3 m Probe cable 5 m Probe cable 10 m Radiation shield Probe installation kit for DTR502 Rain shield with installation kit Duct installation kit HMI41 connection cable HM70 connection cable USB serial interface cable * See separate order form HMP110* HMP110R* HMP110REF* HUMICAP® 180R 226061 226067 DRW010522SP DRW010525 HM46670SP HMT120Z300 HMT120Z500 HMT120Z1000 DTR502B 210623 215109 215619 25917ZZ 211339 219685 Inputs and outputs HMT120 TWO-WIRE TRANSMITTER (LOOP POWERED) Current output signals External loop voltage HMT130 THREE-WIRE TRANSMITTER 4 . . . 10 V Min output resistance 1 kohm Serial output RS485, non-isolated Relay output 1 relay (max. [. . . ] All specifications -- technical included -- are subject to change without notice. [. . . ]