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Vaisala HUMICAP HMT330 Series Humidity and Temperature Transmitter

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Manufacturer: VAISALA
Mfr. Part Number: HMT330series

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Vaisala HUMICAP Humidity and Temperature Transmitter

Measure humidity in harsh environments with the best-in-class transmitter you can truly depend on. The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 is ideal for applications where stable measurement is essential. 10 year warranty proves the outstanding reliability. With multiple options to choose from, including local display, the HMT300 series can be tailored to meet the specific needs of each individual application.
  • Six models for demanding applications:
    • 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
  • Warmed probe for superior performance in condensing environments
  • Shows measurement trends and 1-year history graphically
  • Corrosion resistant IP65 housing
  • NIST traceable (certificate included)
  • Integrated data logging, with over four years of measured history
  • LAN and WLAN communication options
Relative humidity measurement: Measurement range: 0-100%RH; Accuracy at 68F: +-1.0% RH (0-90%RH), +-1.7%RH (90-100%RH); Sensor: Vaisala HUMICAP 180 Vaisala HUMICAP 180R
Temperature Measurement: Measurement Range:
HMT331: -40 to +140F
HMT333: -40 to +176F or -40 to +248F
HMT334/335/337/338: -94 to +356F
Accuracy at 68F:  +-.36F
Sensor: PT100 RTD 1/3 Class B IEC 751
Operating Environment:
Temperature: for probe: same as measurement ranges; for transmitter body: -40 to +140F; with display: +32 to +140F
Pressure: HMT334: 0 to 10MPa (0 to 100bar); HMT338: 0 to 4 MPa (0 to 40bar); HMT333/335/337: vapor tight
Inputs and Outputs:
Operating voltage with optional power supply module: 10 to 35 VDC, 24 VAC
Power consumption @ 68F: 100 to 240 VAC 50/60 Hz
U out 2 x 0 to 1 V/0 to 5V/0 to 10V: max 25mA
I out 2 x0 to 20 mA V: max 25mA
Analong outputs: voltage output: 0 to 20mA, 4 to 20mA
Digital outputs: 0 to 1 V, 0-5V, 0-10V; RS232, RS485(optional)
Ethernet interface:Connector: 10/100Base-T; Protocols: RJ45
WLAN interface (optional): Telnet; Antenna connector type: 802.11b; Protocols: RP-SMA; Security: Telnet
Authentication/Encryption WEP 64/128, WPA
Optional Data Logger with real time clock:Logging interval: max three with trend/min/max values; Max logging period: 10 sec (fixed); Logged points: 4yrs 5 months; Battery Lifetime: 13,7 million points per parameter
Mechanics:Probe cable diameter: HMT333: 6.0mm, other probes 5.; Material (housing): G-AISi 10Mg (DIN 1725); Housing classification: IP65 (NEMA 4)

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the Vaisala HUMICAP® Turbine Mounting Kit HMT330TMK is developed to monitor the air intake of gas and liquid fueled power turbines. HMT300TMK is used together with HMT337 Temperature and Humidity Transmitter.