Aplisens ERH Level Switch are used for point level detection of liquids in all type of vessels. Operation without external power, side or top mounting, wide temperature and pressure ranges, various process connections, stainless steel wetted parts, Ex version and marine certificates make it a universally applicable level switch. Level switches are available with floats in two sizes: Ø64.5 x 130mm or Ø52 x 162mm).
Aplisens ERH Level Switch Features
- Explosion proof version
- Wetted parts material 321SS Housing material: Aluminium or 321SS
- Housing protection IP66/68
- Nominal pressure 40bar
- Marine certificates (GL, DNV, LR, ABS, BV, PRS)
Technical Data
| Parameters | ERH-01- | ERH-02- | ERH-03- | ERH-04- | |
| Hysteresis | ERH-xx-04, -06, -07 | 10, 20, 30 mm | 50…250 mm | 32…1350 mm | |
| 100…400 mm | |||||
| ERH-xx-16, -16.1 | 50…400 mm | ||||
| Repeatability | ±15% | ±15%…±2% | |||
| depending on the range | |||||
| Min. medium density | 0,60 g/cm3 | ||||
| Max. process pressure | ERH-xx-04, -06, -16 | 4,0 MPa | 1,6 MPa | ||
| ERH-xx-07, -16.1 | 0,2 MPa | ||||
| Max. medium temperature | ERH-xx-04, -06 | 250OC | |||
| ERH-xx-16 | 100OC | ||||
| ERH-xx-07, -16.1 | 70OC | ||||
| Ambient temperature | -25…+70OC | ||||
| Ingress Protection | ERH-xx-04, -06, -16 | IP66 | |||
| ERH-xx-07, -16.1 | IP68 | ||||
| Weight | ERH-xx-yy | 1,8 kg | 2,0 kg | 2,1 kg | 3,0 kg |
| ERH-xxK-yy | 2,6 kg | 2,8 kg | 2,9 kg | 3,8 kg | |
| 1m of cable | 0,2 kg | ||||
| Explosion-proof | ERH-xx-16, -16.1 | II 1/2G c Ex de IIBT4 Ga/Gb | |||
| Application | Liquids without contaminations by solid suspensions | Liquids without contaminations and contaminated by solid suspensions | |||
| Electric parameters | ERH-xx-04, -06, -07 | AC15* U ≤230V; (50…60)Hz; I ≤10A; durability of contacts ≥3×105 | |||
| DC13** U ≤220V; I < 0,6A; durability of contacts ≥0,3×105 | |||||
| Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1…2,5mm2 | |||||
| multi-wire 0,75…1,5mm2 | |||||
| ERH-xx-16, -16.1 | AC15* U ≤230V (50…60)Hz; I ≤2,5A; durability of contacts ≥0,85×105 | ||||
| DC13** U ≤220V; I < 0,3A; durability of contacts ≥0,3×105 | |||||
| Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1mm2 | |||||
| multi-wire 1mm2 | |||||
Download Datasheet: Aplisens Level switch ERH
Reference: aplisens.com
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