Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 38)

IM 11M13A01-02E 2-19
2. Specifications
2.5.2 ZR40H Automatic Calibration Unit
WARNING
Automatic Calibration Unit (Model ZR40H) must not be located in hazardous area.
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 2).
• 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 (Munsell
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 + 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
؇ C, no condensation or freezing
Ambient Humidity: 0 to 95% RH (Non-condensing)
Storage Temperature: -30 to +65
؇ C
• Model and Codes
ZR40H
-R
-T
T2.6E.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 -
( ء) CE marking (pending).