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Float level switches 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: R64.5 x 130mm or R52 x 162mm).
Specification
Level switch Type ERH
| Parameters | ERH-01- | ERH-02- | ERH-03- | ERH-04- | |
| Hysteresis | ERH-xx-04, -06, -07 | 10, 20, 30 mm | 10, 20, 30 mm | 50…250 mm 100…400 mm |
32…1350 mm |
| Hysteresis | ERH-xx-04, -06, -07 | 10, 20, 30 mm | 10, 20, 30 mm | 32…1350 mm | |
| Hysteresis | ERH-xx-16, -16.1 | 10, 20, 30 mm | 10, 20, 30 mm | 50…400 mm | 32…1350 mm |
| Repeatability | - | ±15% | ±15% | ±15%...±2% depending on the range |
±15%...±2% depending on the range |
| Repeatability | - | ±15% | ±15% | ±15%...±2% depending on the range |
±15%...±2% depending on the range |
| Min. medium density | - | 0,60 g/cm3 | 0,60 g/cm3 | 0,60 g/cm3 | 0,60 g/cm3 |
| Max. process pressure | ERH-xx-04, -06, -16 | 600 psi | 600 psi | 300 psi | 300 psi |
| Max. process pressure | ERH-xx-07, -16.1 | 30 psi | 30 psi | 30 psi | 30 psi |
| Max. medium temperature | ERH-xx-04, -06 | 482OF | 482OF | 482OF | 482OF |
| Max. medium temperature | ERH-xx-16 | 212OF | 212OF | 212OF | 212OF |
| Max. medium temperature | ERH-xx-07, -16.1 | 158OF | 158OF | 158OF | 158OF |
| Ambient temperature | - | -13…+158OF | -13…+158OF | -13…+158OF | -13…+158OF |
| Ingress Protection | ERH-xx-04, -06, -16 | IP66 | IP66 | IP66 | IP66 |
| Ingress Protection | ERH-xx-07, -16.1 | IP68 | IP68 | IP68 | IP68 |
| Weight | ERH-xx-yy | 1,8 kg | 2,0 kg | 2,1 kg | 3,0 kg |
| Weight | ERH-xxK-yy | 2,6 kg | 2,8 kg | 2,9 kg | 3,8 kg |
| Weight | 1m of cable | 0,2 kg | 0,2 kg | 0,2 kg | 0,2 kg |
| Explosion-proof | ERH-xx-16, -16.1 | II 1/2G c Ex de IIBT4 Ga/Gb | II 1/2G c Ex de IIBT4 Ga/Gb | II 1/2G c Ex de IIBT4 Ga/Gb | II 1/2G c Ex de IIBT4 Ga/Gb |
| Application | - | Liquids without contaminations by solid suspensions | Liquids without contaminations by solid suspensions | 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 = 3x105 DC13** U = 220V; I < 0,6A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1…2,5mm2 multi-wire 0,75…1,5mm2 |
AC15* U = 230V; (50…60)Hz; I = 10A; durability of contacts = 3x105 DC13** U = 220V; I < 0,6A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1…2,5mm2 multi-wire 0,75…1,5mm2 |
AC15* U = 230V; (50…60)Hz; I = 10A; durability of contacts = 3x105 DC13** U = 220V; I < 0,6A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1…2,5mm2 multi-wire 0,75…1,5mm2 |
AC15* U = 230V; (50…60)Hz; I = 10A; durability of contacts = 3x105 DC13** U = 220V; I < 0,6A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1…2,5mm2 multi-wire 0,75…1,5mm2 |
| Electric parameters | ERH-xx-16, -16.1 | AC15* U = 230V (50…60)Hz; I = 2,5A; durability of contacts = 0,85x105 DC13** U = 220V; I < 0,3A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1mm2 multi-wire 1mm2 |
AC15* U = 230V (50…60)Hz; I = 2,5A; durability of contacts = 0,85x105 DC13** U = 220V; I < 0,3A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1mm2 multi-wire 1mm2 |
AC15* U = 230V (50…60)Hz; I = 2,5A; durability of contacts = 0,85x105 DC13** U = 220V; I < 0,3A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1mm2 multi-wire 1mm2 |
AC15* U = 230V (50…60)Hz; I = 2,5A; durability of contacts = 0,85x105 DC13** U = 220V; I < 0,3A; durability of contacts = 0,3x105 Minimum voltage and switching current 10V; 20mA Cross section of connecting cables: one-wire 1mm2 multi-wire 1mm2 |
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