Instruction manual

3.0 INSTALLATION SM425 INSTRUCTION MANUAL
Figure 3-14 Wall mounting
3.5 Installation of SM425CAL Automatic Calibration Unit
3.5.1 Location
The following should be taken into consideration:
1. Easy access to the unit during normal operation and maintenance work.
2. Close proximity to the detector and the converter
3. No corrosive gas.
4. A stable ambient temperature of not more than 55°C.
5. Isolated from vibration.
6. Shielded from direct sunlight and rain.
3.5.2 Mounting of SM425CAL Automatic Calibration Unit
The Automatic Calibration Unit can be mounted either on a pipe (nominal JIS 50A) or on a wall. It should
be mounted vertically for proper flowmeter operation.
<Pipe Mounting>
1. Use a vertical pipe of sufficient strength (nominal JIS 50A: O.D. 60.5 mm) for mounting of
Automatic Calibration Unit. (The unit weights approximately 3.5 kg.)
2. Mount the Automatic Calibration Unit on the pipe by tightening the U-bolt such that the metal
fitting is firmly attached to the pipe.
42500001 REV A 55