Surface-mounted thermostats with ignition protection type intrinsically safe "i" and protection from the housing "t" control and monitor thermal processes in gas zones 0, 1, and 2. Furthermore, the housing enables mounting in zones 20, 21, and 22.
| general technical data | |
|---|---|
| Areas of application | Temperature monitoring for machines and machine tools, shipbuilding, vehicles on railways, chemical industry and petrochemistry, food industry or pharmaceuticals, paper industry |
| Measurement ranges | -20 to +40 °C ; 0 to +50 °C ; +20 to +90 °C ; 0 to 100 °C ; +30 to +110 °C ; 0 to +150 °C ; 0 to +200 °C ; +50 to +200 °C ; +50 to +250 °C ; +50 to +300 °C ; +20 to +400 °C ; +20 to +500 °C ; -40 to +100 °C |
| Switching differential | Without switching differential (TB function); 1 % of range; 2.5 % of range; 4 % of range (-40 to +100 °C range only) ; 5 % of range ; 7 % of range |
| Process connection | Screw-in sleeve, seath welded mechanic screwed on G1/2" process connection, itself screwed on the casing |
| Thread of process connection | External thread G3/8" ; M18x1,5 ; G1/2" ; M22x1,5 ; M24x1,5 ; G 3/4 ; G1/2" conical ; G3/4" conical; 3/8-18NPT ; 1/2-14NPT ; 1-11,5NPT |
| Extra code | Wall mounting (mounting plate); sheath machined from solid; STB with NC contact, manual reset and additional signal contact; oil and grease free; gold-plated snap-action contact; temperature compensation; shower hose coated probe and capillary; additional threaded connection |
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