Zr20H Automatic Calibration Unit - YOKOGAWA ZR402G User Manual

2.2.2

ZR20H 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
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Equipped with the analyzer when automatic calibration is specified in the suffix code of the
ZR202G Integrated type by selecting either "-A (Horizontal mounting)" or "-B (Vertical mounting)".
The ZR20H should be arranged when automatic calibration is to be required after the ZR202G
has been installed. Ask Yokogawa service station for its mounting.
Construction:
Mounting:
Materials:
Finish:
Case; Mint green (Munsell 5.6 BG3.3 /2.9)
Cover; Mint green (Munsell 5.6 BG3.3/2.9)
Piping Connection:
Power Supply: 24V DC (from ZR202G), Power consumption:
Reference Gas Pressure:
Air Consumption:
Weight:
Ambient Temperature: -20 to +55°C, no condensing and freezing
Ambient Humidity:
Storage Temperature: -30 to +65°C
Model and Codes
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Model
ZR20H - - - - - - - - - - - - -
Gas piping -R
connection -T
Reference air *2
Mounting
—
*1 Ask Yokogawa service station for additional mounting of ZR20H to the preinstalled ZR202G.
*2 Select the appropriate reference gas of ZR20H according to the one of ZR202G.
Dust-proof and rainproof construction; NEMA4X/IP67 (excluding flowmeter)
Mounted on ZR202G, no vibration
Body; Aluminum alloy, Piping; SUS316 (JIS), SUS304 (JIS),
Flowmeter; MA (Methacrylate resin), Bracket; SUS304 (JIS)
Polyurethane corrosion-resistance coating
Rc1/4 or 1/4NPT (Female)
Sample gas pressure plus Approx. 150 kPa (690 kPa max.),
(Pressure at inlet of automatic calibration unit)
Approx. 1.5 l/min
Approx. 2 kg
0 to 95% RH
Option
Suffix code
code
- - - - - - - - Automatic calibration unit for ZR202G *1
- - - - - - - - Rc1/4
- - - - - - - - 1/4NPT (F)
-E - - - - - - - - Instrument air
-P - - - - - - - - Pressure compensated
-A - - - - - - - -
Horizontal mounting
-B - - - - - - - - Vertical mounting
-A - - - - - - - - Always -A
<2. Specifications>
Approx.1.3 W
Description
IM 11M12A01-04E
2-14
11th Edition : Jul. 19, 2017-00