HMT370EX Series parts overview
CAUTION Removing or modifying parts is not permitted. Modifications carried out by the user can impair the Ex protection of the device or otherwise damage the device. |
The different probe head variants are designed for a range of applications, and have their own specifications. Ensure that the transmitter body, probe body, and probe head are each placed in an environment that matches the specification of the part. For allowed ambient temperature ranges, see Table 1.
Equipment part | Allowed ambient temperature range |
---|---|
Transmitter body | -40 °C … +60 °C (-40 … +140 °F) |
Probe body | -40 °C … +60 °C (-40 … +140 °F) |
Probe head HMP371 |
Temperature class T4: -40 °C … +60 °C (-40 … +140 °F) |
Probe head HMP373 |
Rubber cable version: Temperature class T6: -40 °C … +55 °C (-40 … +131 °F) Temperature class T5: -40 °C … +80 °C (-40 … +176 °F) FEP cable version: Temperature class T6: -40 °C … +55 °C (-40 … +131 °F) Temperature class T5: -40 °C … +100 °C (-40 … +212 °F) Temperature class T4: -40 °C … +120 °C (-40 … +248 °F) |
Probe heads HMP374, HMP375, HMP377, HMP378, HMP378F, and HMP378H |
Temperature class T6: -70 °C … +55 °C (-94 … +131 °F) Temperature class T5: -70 °C … +100 °C (-94 … +212 °F) Temperature class T4: -70 °C … +135 °C (-94 … +275 °F) Temperature class T3: -70 °C … +180 °C (-94 … +356 °F) |
Ingress protection
IP rating when the probe body is connected to the transmitter body | IP66 |
IP rating when the probe body is detached from the transmitter body | IP54 |