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g) DATA HOLD LED
h) MAX COOL
Pushbutton
i) Unit Select
Pushbuttons
j) Upper and Lower
display annunciators
k) Upper and Lower
six digit displays
2.5
Rear Panel Controls / Connections
The following is a basic description of the function of each of the rear panel user controls
and connections. For further information refer to the relevant section or Section 4.
a) RS232
b) User I/O
c) SW4 ABC Duration
d) SW3 ABC Frequency
e) SW2 Data Hold Duration Pre-sets duration of dewpoint data hold function.
f) Remote Temperature
g) Remote Pressure
h) Heat Pump Supply Fuse
i) AC Power Input
KAHN INSTRUMENTS, INC.
Illuminates red when dewpoint display and outputs are
held. Refer to Section 2.9.
Refer to Section 2.11.
Rrefer to Section 2.12.
Refer to Section 2.12
Refer to Section 2.12.
9 way "D" type connector for serial communication
interface. Refer to Section 4.5.2.
12 way analog / digital. Refer to Section 4.5.1
Pre-sets duration of ABC Cycle. Refer to Section 2.8.
Pre-sets frequency of ABC Cycle.Refer to Section 2.7.
Refer to Section 2.9.
Provides input for remote temperature probe (if
required) 3-way circular plug connection.
Provides input for Pressure transducer (if required).
Refer to Section 2.13.
Overload protection fuse for sensor's Peltier heat
pump. Fuse rating T 3.15 A 250V.
I.E.C. Socket for AC power supply. Fused at T3.15A
250V.
885 Wells Road, Wethersfield, CT 06109
Tel: 860-529-8643; Fax: 860-529-1895
E-mail: info@kahn.com
Page 8
www.kahn.com
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