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TA-CMI

The TA-CMI is a tough, effective tool for measuring differential pressure, flow and temperature in a hydronic system, and which allows you to pinpoint problems accurately and quickly. Robust, accurate and easy-to-use, the TA-CMI can be used on almost any system, while its small size means it is easy to take measurements in confined spaces.

Product Information

Measuring instrument

The TA-CMI is a tough, effective tool for measuring differential pressure, flow and temperature in a hydronic system, and which allows you to pinpoint problems accurately and quickly. Robust, accurate and easy-to-use, the TA-CMI can be used on almost any system, while its small size means it is easy to take measurements in confined spaces.

Technical description

The TA-CMI is a computer programmed measuring instrument. It consists of an electronic differential pressure gauge and a micro computer that has been programmed with the TA valve characteristics which makes the direct reading of flow and differential pressures possible.

The TA-CMI has two main components:
- An instrument unit which contains a micro computer, input touch pad, LCD display and re-chargeable NiMH batteries.
- A sensor unit which contains a piezoresistive pressure sensor, one measurement valve and connections. The measurement valve has a safety function which protects the sensor from surges in differential pressure.

The instrument unit and the sensor unit communicate wirelessly or alternatively by cable.

Measurement range:

Total pressure: max 2 500 kPa.
Differential pressure: -9 to 200 kPa.
Flow: During flow measurements the pressure range is 0.5 to 200 kPa.
Temperature: -20 to 120°C

Temperature liquid medium:

-20 to 120°C

Measurement deviation:

Differential pressure: The greater of ±1% of displayed value or ±0.2 kPa
Flow: As for differential pressure + valve deviation.
Temperature: <0.2°C + sensor deviation.

Effective operating time:

18 h between charges depending upon application.

Ambient temperature for the instrument:

0 to 40°C (during operation)
0 to 40°C (charging)
-20* to 60°C (storage)

*) Do not leave water in the sensor when there is a risk of freezing. Storage above 40°C reduces battery life.

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