TEMPERATURE CONTROLLER PT-421
PT-421 is a device used for air or water temperature continuous measurements.
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The controller is available in three versions:
1. Equipped with two relays to control valves or signalisation system.
2. Equipped with 0 ÷ 20 mA or 4 ÷ 20 mA current loop.
3. Equipped with a RS-232 output with a software to collect the data on a PC. Optionally, the connection may be made by USB output with use of RS-232 / USB converter (additional equipment).
TECHNICAL DATA
Range | -70 ÷ 400 °C | |
---|---|---|
Resolution |
In range -70.0 ÷ 199.9 °C: 0.1 °C, above 199.9 °C: 1 °C |
|
Acuracy* | Range | Sensor Pt-1000S |
-70 ÷ 0.0 °C 0.0 ÷ 99.9 °C 100 ÷ 199.9 °C 200 ÷ 400 °C |
±0.9 °C ±0.3 °C ±1.5 °C ±3.0 °C |
|
Weight / Dimension | 180 g / L = 149mm; W = 82 mm; H = 22 | |
Power | 12 V / 100 mA power adapter | |
Relay's parameters | 2A/250VAC/30VDC | |
Isolation class | according to PN-83/T-06500 | |
Radio electric interference | N level |
* | Acuracy of the meter with the probe. |