CATE

GORY

MODEL

APPLICATION

TYPICAL APPLICATION

Technical Data

SPEC

HUMIDITY

TEMPERATURE

OUTPUT

HMT

330
Series

HMT

331

Wall Mount

​

▪ cleanrooms
▪ pharmaceutical

processes
▪ swimming halls
▪ museums and archives

​

Temperature range   -40 ...

 +60 °C (-40 ... +140 °F)

±1%RH

  (0…90%)

±0.2ºC @ 20ºC
PT1000

Operating voltage

10 ... 35 VDC, 24 VAC ±20%
with optional power supply module

100 ... 240 VAC,

 50/60 HZ

    ▪ Current: 0..20 or 4…20mA
    ▪ Voltage: 0…

1V / 5V / 10V
    ▪ Digtal  : RS232 , RS485
    ▪ WLAN interface (optional)

HMT

333

Duct Type

​

▪ cleanrooms
▪ pharmaceutical

processes
▪ environmental

chambers
▪ processes with

moderate temperature
and humidity

​

Temperature measurement

 range -40 ... +80 °C

 (-40 ... +176 °F)
         or -40 ... +120 °C

(-40 ... +248 °F)

HMT

334

High Pressure

▪ test chambers
▪ high-pressure and

 vacuum processes

Temperature measurement

range -70 ... +180 °C

(-94 ... +356 °F)
Operating pressure 0 ...

10 MPa (0 ... 100 bar)

HMT

335

High

Temperature

​

▪ hot drying processes
▪ food processes,

e.g. baking ovens

​

Temperature range   -70 …

+180 °C (-94 … +356 °F)

HMT

337

High Humidity

​

▪ professional

meteorology
▪ intake air monitoring of
engines and

 gas turbines
▪ timber drying kilns

​

Temperature range   -70 …

+180 °C (-94 … +356 °F)

HMT

338

Pressurized

​Piplelines

​

▪ process lines
▪ environmental

chambers
▪ vacuum-drying

processes
▪ compressed air lines

with refrigerant dryers

​

Temperature range   -70 …

+180 °C (-94 … +356 °F)
Pressure rane    

  0 ... 4 MPa