Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 37)

IM 11M12A01-03E 2-18
2.4.2 ZR40H Automatic Calibration Unit
This automatic calibration unit is applied to supply specified flow of reference gas and
calibration gas during automatic calibration to the detector in a system configuration
(System 3).
• Specifications
Used when auto calibration is required for the separate type and instrument air is
provided. The solenoid valves are provided as standard.
Construction: Dust-proof and rainproof construction:
NEMA4X/IP67 solenoid valve only (excluding flowmeter)
Mounting: 2-inch pipe or wall mounting, no vibration
Materials: Body; Aluminum alloy, Piping; SUS316 (JIS), SUS304 (JIS), Flowmeter; MA
(acrylic resin), Bracket ; sus304 (JIS)
Finish: Polyurethane corrosion-resistance coating, mint green (Munse11 5.6BG3.3/2.9)
Piping Connection: Refer to Model and Suffix Codes
Power Supply: 24V DC (from ZR402G), Power consumption; Approx. 1.3W
Reference Air Pressure: Sample gas pressure plus Approx. 150 kPa (690 kPa max.),
(Pressure at inlet of auto-calibration unit)
Air Consumption: Approx. 1.5 l/min
Weight: Approx. 3.5 kg
Ambient Temperature: -20 to +55
Њ C, no condensation or freezing
Ambient Humidity: 0 to 95% RH
Storage Temperature: -30 to +65
Њ C
᭹ Model and Codes
ZR40H
-R
-T
T2.5-1E.EPS
Model Suffix code Option code Description
Automatic calibration unit for ZR402G
Gas piping connection
1/4" NPT
Pipe connection (G1/2)
Pg 13.5
20 mm (M20 x 1.5)
1/2 NPT
Rc 1/4
Wiring connection -P
-G
-M
-T
-A Always -A -