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Delta Ohm HD 9009 TRR
  • DeltaOhm HD 9008TRR HD 9009TRR HD 9007 transmitters

Delta Ohm HD 9009 TRR

$292.00

Temperature and Humidity Transmitter, Multiplate Radiation Shield

The HD9008TRR and HD9009TRR are single block RH and temperature microprocessor transmitters, temperature configurable.
The HD9008TRR is a passive transmitter with a 4…20mA output and 10…30Vdc power supply; the HD9009TRR is a transmitter with a 0…1V standard voltage output (other outputs available on demand) and 5…35Vdc power supply.
Sensors are mounted at the end of a plastic tube: a capacitive humidity sensor and a Platinum temperature sensor (100Ω @0°C).

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SKU: 40000420000
000

FEATURES

  • An out-of-standard temperature operating range can be requested when placing the order
  • Probes work in the -40°C…+80°C temperature range
  • The humidity sensor is a condenser which dieletric is made up by an hygroscopic polymer
  • Good linearity
  • Insensivity to temperature changes
  • Fast response time and long-lasting life

The instrument can be reprogrammed by means of a key, and no jumper or potentiometer actions are required. The humidity input can be recalibrated by using two saturated solutions: the first one at 75%, the second one at 33%; the 0%RH…100%RH relative humidity range is fixed, 4mA (or 0Vdc) correspond to 0%RH, 20mA (or 1Vdc) equal 100%RH.

Temperature standard configuration is -40…+80°C for the HD9008TRR and for the HD9009TRR, corresponding to 4…20mA and 0…1Vdc, respectively.

The user can configure the temperature output in ranges different from the standard one by means of a Pt100 simulator or of a set of fixed resistances, provided that it is included in the -40°C…+80°C range with a minimum amplitude of 25°C.

Two LEDs give alarm indications (temperature exceeding set range, sensor breakage or short-circuit) and help the operator when programming.