COMET P0120 – 4-20mA Temperature Sensor -30 to +80 °C (±0.4 °C), IP65

COMET P0120 – robust 4-20 mA temperature sensor –30 to +80 °C (±0.4 °C), IP65, galvanically isolated

The COMET P0120 is a compact and reliable 4-20 mA temperature transmitter with integrated sensor – the classic solution for precise temperature measurement in outdoor and indoor environments, building automation, BMS systems, warehouses, technical rooms, greenhouses, or process plants.

With a galvanically isolated current output (4-20 mA) and high long-term stability, it is perfect for connection to PLCs, controllers, recorders, or remote monitoring systems – even over long distances without signal loss.

The internal temperature sensor measures from –30 to +80 °C with an accuracy of ±0.4 °C and high resolution (0.1 °C). The output is freely scalable – you define the measuring range and output value via PC (e.g. 4 mA = –30 °C, 20 mA = +80 °C). The weatherproof IP65 enclosure protects against dust and water jets – ideal for outdoor use or humid environments (–30 to +80 °C). No external probe is required – everything in a single device for maximum reliability and minimum sources of error.

Galvanic isolation protects against ground loops and interference. The sensor offers long-term stability and is available with a traceable calibration certificate (according to EN ISO/IEC 17025) – top quality for critical applications. Power supply 9–30 V DC (typically 24 V) – simple and flexible. The compact design (88.5 × 148 × 39.5 mm) and low weight (approx. 120 g) allow easy installation on walls, masts, or pipes.

Why the COMET P0120 is the professional temperature transmitter:

• Galvanically isolated 4-20 mA output – immune to interference & PLC-compatible
• High accuracy – ±0.4 °C from –30 to +80 °C
• Freely scalable – configurable via PC (measuring range & output)
• IP65 housing – weatherproof for indoor & outdoor use
• Wide power supply range – 9–30 V DC (typically 24 V)
• Long-term stable & maintenance-free – with calibration certificate

Technical data P0120:

• Temperature range: –30 to +80 °C (±0.4 °C)
• Resolution: 0.1 °C
• Output: 4-20 mA, galvanically isolated
• Power supply: 9–30 V DC (typically 24 V)
• Operating temperature: –30 to +80 °C
• Protection class: IP65
• Dimensions: 88.5 × 148 × 39.5 mm
• Weight: approx. 120 g
• Warranty: 3 years

Perfect for:

• Building automation & BMS systems
• Warehouses & production halls
• Outdoor climate & weather monitoring
• Cold rooms & technical centers
• 4-20 mA connection to PLC/BMS
• Integration into existing analog systems
• Simple temperature monitoring without cloud
• Budget projects & standard measuring points

Installation & commissioning – done in minutes

Mount the device on a wall, mast, or pipe, connect power (9–30 V DC) and the 4-20 mA loop – done! Configure the output via PC (COMET software) for measuring range & output value. No calibration required when replacing the device.

Summary:

• Remote temperature transmitter
• Suitable for indoor and outdoor use
• Integrated temperature sensor

Scope of delivery:

• P0120
• User manual
• Traceable calibration certificate