- Measurement and conversion of electrical signals generated by thermocouples, RTDs, bridge transducers, sensors with DC-current output.
- Three-wire or four-wire RTD connection.
- Transfer measurement results over RS-485 interface, protocol Modbus (RTU).
- Device conversion function – linear or square-root extracting.
- Cold junction temperature compensation (internal sensor).
- The possibility to receive the cold junction temperature from the external meter over RS-485 interface, Modbus protocol (RTU).
- The configurable analog input.
- Continuous sensor fault detection.
- LED indication of operating modes.
- Installation on DIN rail, 35 mm.
Technical specifications
Thermocouples | K, L, S, B |
RTDs:
|
Pt50, Pt100, Pt500 Cu50, Cu100 |
DC-current input signal range, mA | 0..5; 0..20; 4..20 |
Bridge transducer input signal range, mV | 0..90 |
Temperature measurement error (for thermocouples), °С:
|
±(0.25·10-2×|t|+0.5*) ±7.0 |
Temperature measurement error (for RTDs), °С | ±(0.2·10-2·(t+273)+0.1) |
Reduced DC-current signal measurement error, %:
|
±0.5 |
Reduced bridge transducer signal measurement error, % |
±0.5 |
Baud rate, Kbps | 9.6; 19.2; 38.4 |
Supply voltage |
(14..32)VDC/(14..22)VAC 50Hz |
Operating temperature range | +5°С..+50°С |
Protection type (IP code) | IP20 |
Size (W×H×D), mm | 17,8×85×58 |
* – when internal sensor is used for cold junction temperature compensation it should be added 2.0 °С to error value
Ordering designation
Measuring transmitter TK-6.