ERH
Probe
ORP probes
- 
ERHS
| Range | Max pressure | Working temperature |
| ± 1000 mV | 70 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | BNC | combined |
ERHM
| Range | Max pressure | Working temperature |
| ± 1000 mV | 70 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | BNC | combined |
ERHL
| Range | Max pressure | Working temperature |
| ± 1000 mV | 70 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | BNC | combined |
ERHMD/100
| Range | Max pressure | Working temperature |
| ± 1000 mV | 70 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | BNC | double junction/combined |
ERHM/D
| Range | Max pressure | Working temperature |
| ± 1000 mV | 70 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | BNC | double junction/combined |
ERHSC
| Range | Max pressure | Working temperature |
| ± 1000 mV | 70 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | BNC | double junction/combined/self-cleaning |
ERHSN6
| Range | Max pressure | Working temperature |
| ± 1000 mV | 100 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | SN6/PG13,5 threading | combined |
ERHSC/SN6
| Range | Max pressure | Working temperature |
| ± 1000 mV | 70 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Epoxy | 100 μS | SN6/PG13,5 threading | double junction/combined/self-cleaning |
ERHHLB
| Range | Max pressure | Working temperature |
| ± 1000 mV | 80 °C |
| Body | Conductivity | Connection | Electrode |
| Ø 12 Glass | 100 μS | SN6/PG13,5 threading | combined/for low Cl2 concentration |