Item Description Function
6 ac Power Jack Allows the unit to be powered from ac power using the universal
100/240 Vac adapter supplied.
7 Membrane Keypad Provides full access to all functions of the recorder.
8 Backlit LCD Display Displays temperature and relative humidity values simultaneously.
9 Temperature/Humidity Sensor Houses the electronic sensor which measures ambient temperature and
relative humidity (CTXL-TRH only).
10 Sensor Holder (clip) Holds the temperature/humidity probe to the side of the recorder
(CTXL-TRH only).
11 Pen Arm and Holder (2 each) Holds and moves the temperature and humidity pens.
Upper pen, Temperature or Channel 1
Lower pen, Humidity or Channel 2
12 Latch Button Releases and secures the recorder’s door.
13 Decorative Foot Cover Stays in place for wall-mounting the recorder. The cover must be
removed for upright bench-top use (otherwise the recorder topples
over)!
14 Door Key It locks/unlocks the chart door.
15 “Keyhole” Slot Mounting Holes Allows the recorder to be mounted on the wall.
16 Carrying Slot Allows the user to carry the recorder conveniently.
17 Product Label Product information label.
18 Alarm/Relay Terminal Block Allows the user to connect to built-in relay contacts or power external
mechanical relays.
19 Battery Compartment Holds 4 “D” size batteries which provide power if the ac adapter is
not used, or provide power backup in case of ac power failure.
20 RS232 Connection Serial PC interface
21 Recorder Door It contains pen drive mechanisms. Open the door to change chart paper.
22 Ferrite Core Attach the snap-on Ferrite Core (included) on the Sensor Probe cable to
minimize RF radiation emission.
23 Thermocouples Beaded Thermocouples with Mini-Spool Cappies.
24 Universal TC Connector (2 each) Allows thermocouple probes to be connected through a sub-mini or
standard TC connector for Channel 1 and Channel 2 inputs
25 Cable with Stripped Leads Cable for Channel 1 and Channel 2 process input connections
26 Process Input Connectors 6 Pin Mini DIN Connector for voltage current input
Introduction
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1-3
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