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TT22

Product catalog summary

Overview: The C-mac temperature transmitter type TT22 is designed for use with a Pt100 sensor element and is suitable for mounting in a standard sensor head type B. It is a loop-powered device, meaning its current consumption (4-20 mA) is proportional to the temperature measured by the Pt100 sensor.

Specifications:

Compatible with 2, 3, or 4-wire Pt100 sensors according to DIN 43760.
Output: Current consumption of 4-20 mA, proportional to the temperature.
Cable fault detection: Short circuit at approximately 3.5 mA and breakage at approximately 23 mA.
Supply voltage range: 8.5 - 30 VDC with a minimum voltage drop of 8.5 V.
Linearity: 0.1%.
Temperature stability: Less than 0.02%/°C for spans under 100°C and less than 0.01%/°C for spans over 100°C.
Operating temperature range: -20°C to +50°C.
Response time: 0.1 seconds (10-90%).
Dimensions: Ø44 x 20 mm.

EMC Compliance:

Emission: EN 50081-2.
Immunity: EN 50082-2.

Metering Ranges: The transmitter is available in four standard metering ranges, all for 3-wire configurations:

-50 to +50°C
-50 to +150°C
0 to 100°C
0 to 200°C

Special metering ranges can be requested.

Programming: The transmitter can be programmed using a programming unit within the range of -200 to 850°C with a minimum span of 25°C. Additional parameters such as reaction delay can also be programmed.

Connections: The device has six connection pins:

Pin 1: Current +
Pin 2: Current -
Pin 3: Pt100 sensor
Pin 4: Pt100 sensor, 3-wire
Pin 5: Pt100 sensor
Pin 6: Pt100 sensor, 4-wire

Ordering Information: The TT22 is available in different models based on metering range:

TT22-1: -50 to +150°C
TT22-2: 0 to +100°C
TT22-3: 0 to +200°C
TT22-4: -50 to +50°C
TT22-x: Custom metering range

Additional accessories include the TTP22 programmable unit and Flextop programming interface.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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