DONG SUNG SENSORS DFR Series Руководство - Страница 8

Просмотреть онлайн или скачать pdf Руководство для Переключатель DONG SUNG SENSORS DFR Series. DONG SUNG SENSORS DFR Series 10 страниц. Mini float level switch

5. Cautions

Cautions in Reed switch,
1) Do not drop it. It may cause critical damage on reed switch.
2) Reed switch is operated by magnetic. Thus, it may not works
nearby strong magnetic devices.
3) Inrush current(motor, ramp) may cause contact fusion.
To avoid this problems, You may need to use relay switch.
Cautions in Float Level Switch,
1) Use hysteresis type if there is a wave on the surface of liquid.
2) Sensor may not works with sticky liquid or liquid includes
floating matters. Please contact us if you need use them.
3) When using resin float, p lease avoid two cases listed below.
- The places with prolonged exposure to hot steam .
- A case in which the float sensor alternates between cold and
hot water
4) Since the float switch has a protective IP67 structure,
please avoid folllowing location because it causes insulation
failure.
- Where the lead wire touches the steam.
- Where the lead inlet/outlet touches the water.
- Where water vapor touches exposed portion of the lead wire.