COMET P4121 is a 4-20mA temperature transmitter for Pt1000 sensors, converting resistance temperature measurements into a standard current loop output for building automation, industrial process monitoring, and HVAC systems. Interference-resistant signal transmission over extended wiring distances ensures reliable connection to compatible controllers and indicating instruments.
$ 159.50 Ex. GST
Available to back order. ETA will be 3 - 5 weeks.
Temperature transmitter for Pt1000 sensors. Outdoor, indoor use.
For external Pt1000 temperature probe.
EXTERNAL PROBES ARE NOT INCLUDED IN DELIVERY
3 year warranty
← Back to all 4-20mA transmittersMEASURED VALUE
Temperature
TEMPERATURE SENSOR – EXTERNAL PROBE PT1000
Measuring range -30 to +80 °C
Accuracy ±0.4 °C
Resolution 0.1 °C
GENERAL TECHNICAL DATA
Operating temperature -30 to +80 °C
Channels 1x external temperature probe
Output 4-20 mA
Power 9-30 Vdc, typically 24 V
Protection class IP65
Dimensions 88,5 x 148 x 39,5 mm
Weight approx. 125 g
Warranty 3 years

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