Table of Contents
Advertisement
...13 SPECIFICATION
(c) Model 6548 100 Katharometer Unit
Power Supply: .................................................................................. 350 mA d.c., from 4234 PSU
Signal Output: .................................................................................. 0 to 10 mV for 85% H
Accuracy: .......................................................................................... ±2% fsd each range
Dead Time: ....................................................................................... Typically 5 seconds
Response Time: ............................................................................... Typically 40 s for 90% step change at katharometer.
Ambient Temperature: ...................................................................... Maximum of 50 °C
Sample Connections: ....................................................................... Compression couplings, 8 mm outside diameter tube
Sample Pressure: ............................................................................ Minimum, 12.5 mbar (G) H
Static Pressure (Sample) ................................................................. Pressure tested to 10 bar (G)
Normal Sample Flowrate (on H
Maximum Gas Flowrate (on H
Minimum Gas Flowrate (on H
Outline Dimensions: ......................................................................... 610 x 305 x 152 mm
Weight: ............................................................................................. 8.6 kg approximately.
Environment: .................................................................................... Sheltered interior
(d) Model 4234 Power Supply Unit
Input Voltage: ...................................................................................... 110/120V or 200/220/240V a.c., 50/60 Hz (2 separate
Fuse Rating: ....................................................................................... 500mA hbc (high breaking capacity ≥4000A)
dc Output: ........................................................................................... 350mA stabilised
Load Conditions: ................................................................................ 1 katharometer – 13Ω max.
Ambient Temperature Range: ............................................................ – 5 to +50°C
Supply Variations: ............................................................................... ±6% (V)
Regulation: ......................................................................................... Within ±0.8% for:
Ripple: ................................................................................................ Less than 1mA rms
Stability: .............................................................................................. Within ±0.7% of initial setting, over period of one month
Outline Dimensions: ........................................................................... 148 x 283 x 135mm
Weight: ............................................................................................... 3.8kg approximately
Environment: ...................................................................................... Sheltered interior
flow meter): .................................. 100 to 150 ml min
2
flow meter): .................................... 250 ml min
2
flow meter): ..................................... 60 ml min
2
BASEEFA Certificate No. Ex 76179/B
in air to 100% H
2
Tubing and drying chamber introduce extra delays.
Maximum, 350 mbar (G)
–1
(H
)
2
230 to 370 ml min
–1
(CO
and air)
2
–1
(H
)
2
600 ml min
–1
(CO
and air)
2
–1
(H
)
2
–1
130 ml min
(CO
and air)
2
BASEEFA Certificate No. Ex. 76180/B/S
versions)
Interconnecting cable – 2Ω max.
±4% (Hz)
(i)
Load var. of ±15%
(ii)
Supply var. of ±6%
(iii)
Ambient temp. var. of ±10°C
with load resistance, supply voltage and ambient
temperature at nominal stated values
2
O
Differential across
2
analyser
37
Advertisement
Table of Contents
