YOKOGAWA ZR22G

  <2.Specications>
2-26
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
2.5.2 ZR40H Automatic Calibration Unit


be used for safety purge when unburned gas is detected.
l Specications

The solenoid valves are provided as standard.
Construction: Dust-proof and rainproof construction:


Mounting: 2-inch pipe or wall mounting, no vibration
  

Finish: Polyurethane corrosion-resistance coating, mint green (Munsell
5.6BG3.3/2.9)
Piping Connection: Refer to Model and Codes
 
Reference Gas Pressure: Sample gas pressure plus approx. 150 kPa (690 kPa max.), (Pressure
at inlet of the Automatic Calibration Unit)
Air Consumption: Approx. 1.5 l/min
Weight: Approx. 3.5 kg
Ambient Temperature: -20 to +5°C, no condensation or freezing
Ambient Humidity: 0 to 95%RH
Storage Temperature: -30 to 65°C
l Model and Codes
Model Su󰀩x code Option code Description
ZR40H - - - - - - - - - - - - - - - - - - - - -
Automatic calibration unit for ZR402G
Gas piping
connection
-R
-T
- - - - - - - -
- - - - - - - -
Rc 1/4
1/4 NPT
Wiring
connection
-P
-G
-M
-T
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
Pipe connection (G1/2)
Pg 13.5
M20 x 1.5 mm
1/2 NPT
—
-A - - - - - - - - Always -A