Omega Products CT485-CDF User Manual
Portable Universal Circular
Chart Recorder
5 Models Available
Choice of White
or Gray to Meet
Your Needs!
5 Models Available!
1 Temperature/Humidity
with Wired Probe
2 Temperature/Humidity
with Remote
Wireless Probe
3 Dual Process-Voltage
or Current
4 Dual Thermocouple
5 pH/Temperature
PATENTS PENDING
Large 200 mm
(8") 2-Sided
Chart
CTXL Series
†
Optional
U Large, 200 mm (8") Scale
U 1, 7 or 32 Day Recording
U Easy to Read Dual
Channel Backlit LCD
Readout
U Convenient Front Panel
Programming/Operation
U Monitors Min/Max/Avg
Values
U High/Low Audible/
Visual Alarms
U Dual High Alarm Relays,
Dual Low Alarm Voltage
Outputs
U Double Sided Charts with
Magnetic Mount Hub
U Benchtop or Wall Mount
with Built-In Chart Lights
U Powered by 4 D Batteries
or Universal AC Adaptor
U Data Logging PC
Software Included
The CTXL Series circular chart
recorders from OMEGA combine
form and function in an easy to
use two-channel circular chart
recorder with a large, 200 mm (8")
diameter chart, and dual channel
LCD readout. Depending on your
application, the CTXL is available to
measure ambient temperature and
humidity (with an available wireless
option capable of up to 90 m (300')
(line of sight), dual thermocouple,
dual process (1 V, 5 V, 10 V, or
0/4 to 20 mA), or pH/temperature.
The CTXL has a custom LCD
readout that displays the current
values of both channels, and can
indicate the min, max or average
input values as well. The display
also indicates the chart speed
(1, 7 or 32 day), battery status, high
and low alarm indication, keypad
lockout status, and battery life.
Additional features of the CTXL
include dual relays with contact
closures for high alarms, and dual
voltage outputs for low alarms to drive
external relays. A built-in audible
S-37
CTXL-TRH recorder
shown smaller than
actual size.
buzzer also informs the user of an
alarm condition. A hidden key (White
Box) can lockout unauthorized access
to the front keypad, preventing
changes to the recorder settings.
The CTXL features a rugged, ABS
enclosure, suitable for industrial
environments, but it’s also intended
to fit right in to other environments,
such as museums, art galleries,
computer rooms, labs, clean
rooms, even hospitals. The CTXL is
designed for both benchtop and wall
mount operation; a convenient base
rotates out of the way, and is hidden
by a decorative foot cover for wall
mount use.
Each unit comes complete with 120
assorted double-sided charts, 2 pen
sets, extra chart light, universal ac
adaptor, 4 “D” cell alkaline batteries,
RS232 cable and adaptor, software
CD, wall mounting kit, and operator’s
manual. CTXL-TRH models are
also supplied with sensor probe and
clip, and 1.8 m (6') probe extension
cable.
† Refer to accessories chart for NIST
calibration ordering information.
Temperature/Relative
Humidity Recorder
Large 200 mm
(8") 2-Sided
Chart
MODEL #1
CTXL-TRH
†
Optional
PATENTS PENDING
U -17 to 49°C (2 to 120°F)
and 2 to 98% RH Ranges
U Detachable Sensor Probe
for Direct Attachment or
Remote Mounting
U Available Wireless
Sensor Model
U Windows-Based PC
Data Logging Software
Included
U Specialty Chart
Papers Available for
Custom Applications
U Benchtop or Wall Mount
with Built-In Chart Lights
The CTXL–TRH recorder is
designed for both local and remote
monitoring of temperature and
relative humidity. The standard
sensor probe clips to the side of
the unit, or may be detached and
mounted up to 12 m (40') away,
using available extension cables. For
even longer distances, the recorder
is available with a wireless probe,
which can be placed up to 90 m
(300') line of sight, or 33 m (110')
indoors away from the recorder.
Simply plug-in the wireless receiver
in place of the probe into the
recorder, and you’re ready to go.
The CTXL-TRH is available with
specialty paper charts, with optimal
ranges marked right on the chart, so
you can easily see from a distance
that the temperature and humidity
readings are within range.
The CTXL-TRH comes with
a Windows-based application
program that allows the user to
monitor the temperature and relative
humidity using their PC. You can
log the data to a file, as well as
display the information on a custom
on-screen chart; set the alarms
on the recorder, and display their
status on-screen. You can also
re-scale the recorder chart paper,
setting temperature and %RH limits
anywhere within the range of the
unit. This allows you to use the 8"
chart to display narrow temperature
and humidity bands, for greater
resolution.
Specifications
(See Common Specifications on
Page S-44)
Temperature:
Range: -17.7 to 49°C (0 to 120°F)
Display Accuracy: ±1°C (2°F)
Chart Accuracy: ±1.5°C (3°F)
Display Resolution: 0.1° (F or C)
S-38
Choice of White
or Gray to Meet
Your Needs!
CTXL-TRH recorder, shown
smaller than actual size.
Relative Humidity:
Range: 0 to 98% RH
Display Accuracy: ±3% RH, 15 to 90%
RH @ room temperature; ±5% RH, <15
or > 90% RH @ room temperature
Chart Accuracy: ±4% RH, 15 to 90%
RH, ±6% RH, <15 or >90% RH
Display Resolution: 1% RH
Remote Probe:
12.2 m (40') max distance
Temperature/Humidity Sensor:
Digital sensor
Probe Disconnect: Pens will go to the
Home position; Display will show “Prb
Err”. Chart motor will continue to run
Alarm Set Point Resolution:
Temperature: 0.5°C or °F
Humidity: 1%RH
Alarm Deadband:
Temperature: 0.5°C or °F
Humidity: 3% RH
† Refer to accessories chart for NIST calibration
ordering information.
S
Large 200 mm
(8") 2-Sided
Chart
MODEL #2
CTXL-TRH-W
U Record Temperature/
Humidity with Remote
Wireless Probe
U RF Range 90 m (295')
Line of Sight and 33 m
(108') Indoors
U 1, 7 or 32 Day Recording
U
Easy to Read Dual Channel
Backlit LCD Readout
U Convenient Front Panel
Programming/Operation
U Monitor Min/Max/Avg
Values
U High/Low Audible/
Visual Alarms
U Dual High Alarm Relays,
Dual Low Alarm Voltage
Outputs
U Double Sided Charts with
Magnetic Mount Hub
U Benchtop or Wall Mount
with Built-In Chart Lights
U Powered by 4 “D”
Batteries or Universal
AC Adaptor
Specifications
(See Common Specifications on
Page S-44)
Transmitter
Transmit Sample Rate:
2 sec up to 2 min
Radio Frequency: ISM 915 MHz or
ISM 868 MHz
Approvals:
CTXL-TRH-(*)-W9: FCC, Class A
CTXL-TRH-(*)-W8: CE
RF Link Range:
Outdoor Line of Sight: Up to 90 m (300')
Indoor/Urban: Up to 33.5 m (110')
Computer Interface:
USB, to change transmit interval,
frequency and channel ID
Operating Ambient: -18 to 49°C
(0 to 120°F), 2 to 98% RH
LED Indicators: Red LED for Low
Battery and other communication error
indications; Green LED for transmit
indication
Power: One 3.6 Vdc “AA” Lithium
Battery, 2400 mAH capacity, or optional
ac adaptor, UNI-AC-100/240-5V
PATENTS
PENDING
†
Optional
Choice of White
or Gray to Meet
Your Needs!
Wireless
Transmitter—Up
to 90 m (300') from
Recorder
Remote wireless
temperature/humidity
transmitter, included,
shown smaller than
actual size.
CTXL-TRH-W-W9 temperature/
humidity recorder with remote
wireless transmitter, shown
smaller than actual size.
Operating Ambient: -18 to 49°C
(0 to 120°F), 2 to 98% RH
Battery Life: 1 year typical, at 1 minute
transmission rate
Receiver
Computer Interface:
USB, to change receive interval,
frequency and channel ID
LED indicators: Red LED for comm.
error indications, Green LED for receive
indication
Power: From the CTXL recorder
through the round DIN connector
† Refer to accessories chart for NIST
calibration ordering information.
Application Software Included!
• Monitors Temperature and Humidity
• Line Graph and Store of Readings in
Real Time and Download of Recorded Data
• Set the Line Graph Scales to Auto, Logarithmic,
or Manual
• Re-Scale the Recorder Chart Paper
• Print Line Graphs
to a Printer
S-39
Application
Software
Included
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