Vaisala TMI110 Immersion Temperature Transmitter
High-accuracy immersion temperature transmitter for chilled-water and heating-water circuits in HVAC and data-centre cooling plants. ±0.1 °C, −40 … +120 °C, fast response, thermowell installation, 4 … 20 mA or Modbus RTU.
Description
Supply and return water temperatures show how hard each cooling circuit is working. TMI110 measures them to ±0.1 °C with a Class A Pt1000 element in a 6 mm stainless probe, installed in a thermowell so it can be removed without draining the circuit. It can also measure air temperature in ducts.
Key features
- ±0.1 °C accuracy at +20 °C, −40 … +120 °C range
- Very fast response: T63 < 8 s typical
- 1-point traceable calibration certificate included
- 4 … 20 mA or Modbus® RTU output
- Display or non-display models
- Probe lengths 50, 100, 150 and 200 mm; ISO 7, NPT or welded thermowells
Riajati supplies Vaisala instruments in Malaysia — send us your measurement points, required outputs and quantities through the Enquiry tab for a quotation.
| Measurement performance | |
|---|---|
| Measurement range | −40 … +120 °C |
| Accuracy at +20 °C | ±0.1 °C |
| Temperature dependence | ±0.01 °C/°C |
| Response time (T63, +20 °C) | < 8 s typical |
| Sensor | Pt1000 RTD Class A, IEC 60751 |
| Inputs and outputs | |
| Analog | 4 … 20 mA loop powered; 20 … 28 V DC at 600 Ω, 10 … 28 V DC at 0 Ω |
| Digital | RS-485 Modbus RTU, 19200 bps N 8 2; 10 … 28 V DC |
| Environment and mechanics | |
| Probe operating range | −40 … +120 °C |
| Electronics | −40 … +60 °C (−5 … +60 °C with display) |
| IP rating | IP65, UL 50E / NEMA Type 4 |
| Probe | Stainless steel, Ø 6 mm; 50 / 100 / 150 / 200 mm |
| Compliance | CE, RCM; EN 61326-1 |
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