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13 SPECIFICATION
(a) Model 6553 Gas Monitor Unit
Available Ranges:
Digital Display Units:
%H
in Air:
2
%H
in CO
/ %Air in CO
2
2
Range Selector Switch Position:
Accuracy (display units):
Ambient Temperature Range:
Power Supply :
Power Consumption :
Outline Dimensions:
Weight :
Environment :
(b) Model 006540 203 & 006548 000 Katharometer Analyser Panels
Electrical Input:
Signal Output:
Accuracy:
Dead Time:
Response Time:
Ambient Temperature:
Sample Connections:
Sample Pressure:
006540 203
006548 000
Sample Temperature:
Normal Sample Flowrate:
Maximum Gas Flowrate:
Minimum Gas Flowrate:
Outline Dimensions:
Weight:
Environment:
42
(a)100 to 80% or 100 to 85% H
or 80 to 100% or 85 to 100% H
(b) 0 to 100% hydrogen in carbon dioxide
(c) 0 to 100% air in carbon dioxide
4689 501 or 4689 503
:
4689 500
2
(1) Percentage by volume, hydrogen in air – Upper Display
(2) Percentage by volume, hydrogen in carbon dioxide – Lower Display
(3) Percentage by volume, air in carbon dioxide – Lower Display
±0.25% of scale span
0 to 40°C
115 V ac or 230 V ac, 50/60 Hz
30 VA approximately
290 x 362 x 272 mm
12 kg approximately
Sheltered interior, 0 to 90% RH
350 mA d.c., from 4234 PSU
0 to 10 mV for H
±2% fsd each range
Typically 5 seconds
Typically 40 s for 90% step change at katharometer. Tubing and drying chamber
introduce extra delays.
Maximum of 55°C
Compression couplings,
6540 203
6548 000
Minimum, 125 mm H
Maximum, 0.35 bar (G)
Minimum, 125 mm H
Maximum, 10 bar (G) static
55°C maximum
100 to 150 ml min
250 ml min
–1
–1
50 ml min
610 x 305 x 152 mm
8.6 kg approximately.
Sheltered interior
in air
2
in air
2
in air (85% to 100% H
in air)
2
2
8 mm outside diameter tube.
6 mm outside diameter tube.
O
2
O
2
–1
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