This manual introduces the features and characteristics of the sPro series transmitters, including appearance, size, installation methods, electrical performance, environmental conditions, protection level, etc.
The ProcessPro series flow transmitters are available in panel‑mount and field‑mount versions. The manual provides detailed installation instructions, wiring diagrams, and configuration steps for models such as 3‑8550‑1, 3‑8550‑2, and 3‑8550‑3.
Key functions include open‑collector output modes (High, Low, Pulse, Frequency), LCD display settings, and calibration procedures. Safety warnings, environmental limits, and troubleshooting tables are also included. This manual is written in Chinese.
| Power supply voltage | 12‑24 VDC ±10% |
|---|---|
| Weight | ≈325 g (12 oz) |
| Operating temperature range | -10 °C to 70 °C |
| Relative humidity range | 0‑95 % (no dew point) |
| Maximum altitude | 2000 m |
| Maximum cable length (sensor type A) | 200 ft (≈60 m) |
| Maximum cable length (sensor type B) | 1000 ft (≈300 m) |
| Display type | LCD 2×16 characters |
| Loop current range | 4‑20 mA |
Press and hold the ENTER key for about 2 seconds to access the CALIBRATE menu.
The transmitter operates from a 12‑24 VDC supply with a tolerance of ±10 %.
For standard sensors the maximum cable length is 200 ft (≈60 m); for vortex flow sensors it can be up to 1000 ft (≈300 m).
Select the reset option in the VIEW menu; if the lock is ON you must enter the password before resetting.