Measurement Instruments

Welcome to the CALMS documentation page for sensors and measurement equipment. This page serves as a comprehensive resource for all technical documentation related to the measuring equipment used in maintaining the compressed air systems. Here you’ll find data sheets, user manuals, wiring schemes, connection guides, and helpful tips for integrating sensors with CALMS devices — all in one place.

Check out the documents below to get started on sensor installation:

Current Transformer - Split coil

CAL-CT 50A Current Transformer - Split coil

Current transformer Split coil 50/20mA, 5VA cl:1 , 1 x AC phase pcs

CAL-CT 100A Current Transformer - Split coil

Current transformer Split coil 100/20mA, 5VA cl:1 , 1 phase pcs

Current Transformer - Rogowski coil

CAL-ROG000000 Current Transformer - Rogowski coil

Current Transformer Rogowski Split coil, 100A/4-20mA 5VA cl:1 , 1 pcs

CAL-ROG000100 Current Transformer - Rogowski coil

Current Transformer Rogowski Split coil, 500A/4-20mA 5VA cl:1 , 1 pcs

Power meter

CAL-POM100100 Power meter

The CAL-POM100100 is a 3-phase 400V DIN rail power meter without display, 3x500A Rogowski split-core CTs, Class 1 accuracy, and RS485 Modbus communication.

CAL-POM100200 Power meter

The CAL-POM100200 is a 3-phase 400V DIN rail power meter without display, 3x1000A Rogowski split-core CTs, Class 1 accuracy, and RS485 Modbus communication.

Pressure sensor

CAL-CTX-16 Pressure sensor

The pressure transducer measures (0–16 bar / 0–150 PSI) with 4–20 mA output, 0.5% accuracy, 12-bit resolution, and connector interface.

CAL-A10-40 Pressure sensor

The Pressure Transducer measures 0–40 bar (0–580 PSI) with 4–20 mA output, 0.5% accuracy, 12-bit resolution, and a connector interface.

Flow meters

CAL-S402 Thermal Flow meter

Flow meter, Modbus RTU / 4-20mA, Max flow 185 m/s, pipe DN 25-300, 1/2" Male NPT ,with connector M12, no display, Bluetooth mobile app

Temperature sensor

CAL-C-PT-PS/I Temperature sensor - Ambient wall mount application

Temperature sensor PT100 (ambient) C-PT-PS/I-30-50, -30 - +50C, 4-20 mA (wall mount design)

CAL-MWT200 Temperature sensor - Pipeline mount

Temperature sensor 0-200C, 4-20 mA, PT100, class.A, G1/2NPT, L=120mm

Dew Point sensor

CAL-DEM10001 Dew Point Sensor

The Dew Point Sensor Mini is a compact and reliable sensor designed for precise moisture measurement in compressed air systems. It features a measurement range from -60°C to +20°C with an accuracy of ±2°C. The sensor supports both 4–20 mA analog output and RS485 Modbus digital communication. It operates on a 24 VDC power supply and comes housed in a durable aluminium casing. The sensor is equipped with an M8 connector and includes a 5-meter cable. It features a 1/4” female thread measuring chamber, delivered without additional fittings.

Ultrasonic water flow and heat energy meter

CAL-TDS100R-M2-H Ultrasonic Water Flow and Heat energy meter

· The TDS100RM2-H is a fixed ultrasonic Heat Meter for continuous

· Measurement of volumetric flow and heat energy.

· Accuracy: <1% of reading above 0.6ft/sec ( 0.2 m/sec)

Vibration sensors

CAL-VIB11001 Vibration sensor

Vibration Sensor, M12 connector, no cable, 0-20 mm/sec range, 1/4" UNF 28 Female mount

 

 

Ultrasonic mechanical

CAL-UT-750 Ultrasonic mechanical

Ultrasonic Sensor that for continuous monitoring of changes in ultrasonic amplitude. The unit offers an overall dynamic range of roughly 100 decibels, and is configured for structure borne ultrasonic detection with analog outpu 4-20mA.

Atmospheric sensors

S040 Atmospheric sensor with CAL-EDGE device

The S040 atmospheric sensor is connected to the CAL-EGDE device via Modbus RTU protocol. Please wire the sensor according to the device you have:

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