THERMASGARD ® ALTF 1 Surface contact sensors are electric contact thermometers used for surface temperature measurement on solids, having at least one so-called contact area that is brought into contact with the surface to be measured. The surface contact temperature sensor ALTF-1 with connecting cable and passive output determines the temperature of a medium flowing inside a pipe (e.g. the water temperature) via the surface temperature. The ALTF 1 is a tube contact resistance thermometer including a strap and an axial sensor tube for temperature detection on piping and tubes (e.g. cold and hot water), or on heating trains for heating system control.
Sensor | NTC10kOhm |
---|---|
Connection type | 2-wire connection |
Testing current | < 2.0 mW |
Measuring range |
–35...+105 °C PVC –35...+180 °C silicone (Tmax NTC = +150 °C, Tmax LM 235 Z = +125 °C) |
Process connection |
endless strap and metal tightener (included in the scope of delivery) |
Insulating resistance |
≥ 100 MΩ, at +20 °C (500V DC) |
Strap dimensions | Ø = 13 - 92 mm (¼ - 3"), L = 300 mm |
Protective tube |
stainless steel, 1.4571, V4A, including pre-bent contact plate |
Connection cable |
Silicone; 1.5 m, SiHF, 2 x 0.25 mm² ends stripped, with wire end sleeves |
Permissible air humidity | < 95 % r. H., non-precipitating air |
Protection class | III (according to EN 60 730) |
Protection type |
IP 65 (according to EN 60 529) humidity-tight stamped IP 68 (optional watertight compound-filled) rolled |
sps smart production solutions – S+S Regeltechnik will be there 26. - 28.11.2019
Booth 8-219
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