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KAHN INSTRUMENTS, INC.
885 Wells Road, Wethersfield, CT 06109
Tel: 860-529-8643; Fax: 860-529-1895
E-mail: [email protected]
www.kahn.com
Notes
:
1. Upper dewpoint limit is dependent on ambient temperature. Generally
dewpoints up to 2
°
C below ambient can be measured.
2. Lower dewpoint limit is dependent on ambient temperature. Refer to
Appendix 3.0 : S4000
Integrale
Depression Range.
Gas Temperature range:
-80 to +80
°
C.
% Relative Humidity range:
< 0.5 to 99.9%.
Photo detection system:
Wide band red LED and dual photo-detectors. All
protected from the gas by quartz light guides.
Sample flow rate:
50 to 200 cm
3
/min. Flow meter 50 to 500 cm
3
/min.
Pressure:
Maximum 10 barg.
5.3
Control Electronics
Digital display:
Dual 6 digit 7-segment LED, with 2 digit 7-segment
unit annunciators.
Units (Top):
°
C dewpoint or
°
F dewpoint.
Units (Bottom):
PPM(V) or PPM(W) in SF
6
or g/m3 or g/Kg or kPa.
Note : If a pressure transducer is not connected to the
instrument, by default, atmospheric pressure is
selected i.e. 101.3 kPa.
Resolution:
0.01
°
C. (Dewpoint and Temperature)
0.01
°
F. (Dewpoint and Temperature)
0.01 PPM(V) or PPM(W)
0.01 g/m
3
0.01 g/kg
0.1 kPa
0.1 %RH
Outputs
Analog:
10 mV /
°
C dewpoint
4-20mA over the range -60 to +30
°
C dewpoint
Digital:
Data Hold
Balance Cycle
Optics Alarm
