Engineered specifically for Pt1000 resistance temperature sensors, the COMET H4431 provides accurate RTD signal processing across compatible probe types. Its dedicated interface supports laboratory, pharmaceutical and industrial applications requiring reliable Pt1000 temperature monitoring with consistent, accurate signal conditioning from external resistance temperature detector measurement probes.
Available to back order. ETA will be 3 - 5 weeks.
Temperature transmitter for Pt1000 sensors with two relay outputs. Outdoor, indoor use. For external Pt1000 temperature probe (Sold separately) . Three two-state inputs. INCLUDED IN DELIVERY:
MEASURED VALUE
Temperature
Two-state signal
TEMPERATURE SENSOR – EXTERNAL PROBE PT1000
Measuring range -200 to +600 °C
Accuracy ±0.2 °C
Resolution 0.1 °C
RELAY OUTPUTS
Quantity 2
Maximal voltage 50 V
Maximal current 2 A
Maximal power 60 VA
BINARY INPUTS
Quantity 3
Signal for binary inputy dry contact, open collector or two-state voltage signal.
Inputs are not galvanically isolated.
Minimum pulse duration on binary input 500 ms
Voltage across open contact < 3,3 V
Low voltage level 0 to +0,5 V
High voltage level +3,0 to +30 V
GENERAL TECHNICAL DATA
Operating temperature -30 to +80 °C
Channels 1x external temperature probe
Acoustic alarm from built-in beeper – switchable
Output RS485
Range of humidity sensor temperature compensation all temperature range
Available temperature units degrees Celsius, degrees Fahrenheit
Communication protocol ModBus RTU, ARION, Advantech ADAM
Power 9-30 Vdc
Protection class IP65 electronics; IP40 sensors
Dimensions 136 x 160 x 45 mm; stem length 75mm
Weight approx. 350 g
Warranty 3 years
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