Yokogawa GD40 Gas Density Detector User Manual
Page 15
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<1. Specifications>
1-6
IM 11T3E1-01E
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Contact Outputs/Input
Contact output:
Signals for Maintenance, Fail, Hi/Lo alarms
Contact capacity: 250 V AC at 3 A or 30 V DC at 3 A
Contact input:
Signal for switching between the Hydrogen Purity meter and the Replace-
ment meter
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Calibration
Manual (one touch), Semi automatic, Automatic calibration
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Communication
Protocol:
BRAIN communication
Data items that can be transmitted by the hand-held terminal are
numerical data, such as concentration, temperature and pressure,
alarm setpoint and self-diagnostic parameters.
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Ambient Conditions
Temperature:
-10 to 55 °C (14 to 131°F)
Humidity:
5 to 95 %RH
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Installation
Non-explosion-proof models: Pipe-, panel- or wall-mounted
Explosion-proof models:
Pipe- or panel-mounted
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Finish
GD402G (general purpose):
Front cover:
Equivalent to Munsell 0.6GY3.1/2.0
Case:
Equivalent to Munsell 2.5Y8.4/1.2
GD402T, V, R (explosion-proof):
Equivalent to Munsell 0.6GY3.1/2.0
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Weight
GD402G (general purpose): Approx. 3 kg (including mounting hardware)
GD402T, V, R (explosion-proof): Approx. 15 kg (including mounting hardware)
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Fuse
250 V 1 A quick acting type authorized VDE/SEMKO 100 to 240 V AC Model
250 V 2 A quick acting type authorized VDE/SEMKO 24 V DC Model