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Flagship Humidity and Temperature Transmitter HMT330 Series
Vaisala HMT330 series are easy-to-use transmitters for demanding industrial and air conditioning applications. The transmitters measure relative humidity and temperature and from these calculate dew point and wet bulb temperature, mixing ratio and absolute humidity.
They can be configured to the customer's requirements on the production line, but configuration and parameters can also be set by the user. The series has both analogue and serial outputs as well as several options: different cable lengths, power supply modules and serial interface modules as well as a local display.
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Vaisala Official Distributor in Humidity, Dewpoint, Continuous Monitoring System (CMS) viewLinc (2015), Temperature, CO2, Barometric Pressure, Moisture in Oil, Wind etc in Malaysia since 1990s |
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Please click here to visit its successor Indigo Transmitter Series: Indigo510, Indigo520 |
The equivalents for the HMT330 series: HMT331 for wall mounting is now HMP1 probe + INDIGO500 transmitter HMT333 for duct mounting and tight spaces is now HMP3 and HMP9 probes + INDIGO500 transmitter HMT334 for high pressures up to 100 bar and vacuum conditions is now HMP4 + INDIGO500 transmitter HMT335 for high temperatures is now HMP5 + INDIGO500 transmitter HMT337 for high humidity and meteorological applications is now HMP7 + INDIGO500 transmitter HMT338 for pressurized pipelines up to 40 bar is now HMP8 + INDIGO500 transmitter |
| Model | HMT330 | |
| Measurement Range | Humidity: 0 - 100% rH Temperature:
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| Sensor | Humidity: Vaisala HUMICAP 180 Temperature: PT100 RTD |
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| Accuracy at 20ºC | Humidity: ±1.0%rH (0 - 90%rH), ±1.7%rH (90 - 100%rH) Temperature: ±0.2ºC |
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| Power supply | 10-35 VDC / 24VAC | |
| Output | 0-20mA, 4-20mA, 0-1V, 0-5V, 0-10V, RS-232, RS-485(optional) | |
| Mechanics | Protection: IP65 (NEMA 4) Display: One line, changing or fixed variables |
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| Remarks | HMT331 for wall mounting HMT333 for duct mounting and tight spaces HMT334 for high pressures up to 100 bar and vacuum conditions HMT335 for high temperatures HMT337 for high humidity and meteorological applications HMT338 for pressurized pipelines up to 40 bar |
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