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4
TECHNICAL SPECIFICATION
The product meets the following technical specification as outlined in Table 4-1.
Table 4-1: Technical specification
PARAMETER
GAS MEASURED
Hydrogen (H
Acetylene (C
Carbon Monoxide (CO)
Moisture (H
2
Measurement frequency
ENVIRONMENTAL
Operating external
temperature range
Storage temperature range
Oil temperature range
Altitude
Atmospheric pressure
Operating humidity
Enclosure
Weight
*6
POWER REQUIREMENTS
Single phase Alarm Relays:
NO and NC provided*
Fuses *
8
Coin cells
*1
Note: Parameters specified in application with mineral oil.
*2
Note: Accuracy is quoted for the detectors under factory calibration and test levels.
Gas-in-oil measurements may be affected by sampling and/or oil type.
Note: Whichever is greater.
*3
Note: Given in ppm.
*4
Note: Based on testing carried out using VOLTESSO™ 35 mineral oil over a ¼ in. pipe
*5
run of 10 metres or less from oil supply or return valve to product connection
point, and on transformer oil supply valve volumes of 200 ml or less. For oil
temperatures colder than −10 ºC, GE recommends the use of heat trace cabling
on piping. Low oil viscosity reduces oil flow.
MA-005 - Minitrans Installation Manual - Rev 4.5
*1 & 9
)
5 – 5,000 ppm
2
H
)
3 – 50,000 ppm
2
2
10 – 50,000 ppm
O)
0 – 100% Relative
Saturation
Variable – Once per hour to once every four weeks
−35 °C to 55 °C
0 °C to 45 °C
*5
−10 °C to 100 °C
Up to 2000 m
Up to 1050 mbar
0 – 95% RH non-condensing
IP55
30.5 kg (68 lb)
Nominal voltage range:
115-230 V AC, 6 A max
Rated voltage range:
103-126 V AC
207-253 V AC
AC frequency range:
47-63 Hz
1 A 250 V AC, 300 mA 110 V DC, 1 A 30 V DC
7
Mains:
10 A 500 V (Cooper Bussmann BAF), 10 × 38 mm
Accessories:
2 × 2 A 250 V (Littelfuse 392 T)
Panasonic CR2450 3 V 620 mAh
VALUE/MEETS
RANGE
*4
ACCURACY
*2 & 3
± 10% or ± LDL
± 10% or ± LDL
± 10% or ± LDL
± 3.5%
13-Aug-20
Page 11 of 86
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