43
(
c) Model 6548 000 Katharometer Analyser Panel
Incorporating Model 6548 001 (H2 and CO2) Katharometer Unit
Power Supply:
350 mA d.c., from 4234 PSU
Signal Output:
0 to 10 mV for each range
Accuracy:
±
2% of scale span, each range
Dead Time:
Typically 5 seconds
Response Time:
Typically 40 s for 90% step change at katharometer. Tubing and drying chamber
introduce extra delays.
Ambient Temperature:
Maximum of 50
°
C
Sample Connections:
Compression couplings, 6 mm tube
Sample Pressure:
Minimum, 125 mm H
2
O
Maximum, 10 bar (g)
Normal Sample Flowrate:
100 to 150 ml min
–1
Maximum Gas Flowrate:
250 ml min
–1
Minimum Gas Flowrate:
50 ml min
–1
Outline Dimensions:
610 x 305 x 152 mm
Weight:
8.6 kg approximately
Environment:
Sheltered interior
d) Power Supply Unit
Model 4234 500 input:
230 V a.c., 50/60 Hz
Model 4234 501 input:
115 V a.c., 50/60 Hz
Fuse Ratings:
250 mA, high breaking capacity
≥
1500 A, ceramic, 2 off
400 mA (F), 1 off
dc Output:
stabilized; 350 mA
Load Conditions:
0 to 14
Ω
Ambient Temperature Range:
– 20 to +55
°
C
Supply Variations:
±
6% (V)
±
4% (Hz)
Regulation:
Within
±
0.8% for:
(i) Load var. of
±
15%
(ii) Supply var. of
±
6%
(iii)Ambient temp. var. of
±
10
°
C
Ripple:
Less than 17.5 mV across 10
Ω
peak to peak
Stability:
Within
±
0.7% of initial setting, over period of one month with load resistance, supply
voltage and ambient temperature at nominal stated values
Outline Dimensions:
170 mm (L) x 111 mm (H) x 160 mm (W)
Weight:
2.1 kg approximately
Environment:
Sheltered interior
13
SPECIFICATION
Summary of Contents for 6553 Series
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