Miniature Electronic
™
ice point
The MCJ converts thermocouple
voltages into 0°C referenced
signals, for use with DMM’s, voltage
recorders and other electronic
devices. The signals from the MCJ
can be converted to temperatures,
using the standard temperaturemV tables.
MCJ Series
Starts at
$
99
MCJ-K, $99, shown smaller than
actual size with CASS-316G-12, $28,
sold separately, see page A-59.
Features
High Stability Design
±1°C stability over entire 10 to 45°C
operating range is assured
through the computer designed
solid state circuit.
Convenient
The MCJ is compatible with any
standard thermocouple connector
or jack; use ordinary copper wire
to connect from the MCJ to any
instrumentation for precise ice point
referenced readings; with the
standard adaptor pins, the MCJ
can be used as either a female
or male connector.
Calibration Mode
The OMEGA®MCJ can also be
used in conjunction with a precision
millivolt source in order to check and
calibrate thermocouple
thermometers and other
thermocouple-ready instruments.
Connections are made in a reverse
mode to the MCJ. Namely, the
output of the millivolt source is
connected with copper wires as an
input to the MCJ on the terminals
labeled output. The input terminals
then provide the compensated
thermocouple output signal which is
connected via appropriate type
thermocouple wire to the input of the
thermometer being checked.
RD46A-EPL, $5300,
See page S-35.
Female-to-male adaptor pins, included,
can be used with MCJ Series for direct
connection to panel. Shown larger than
actual size.
K-19
For use with subminiature probes,
see the TAS adaptor on page G-39.
Shown smaller than actual size.
Specifications
Reference Temperature:
0°C (32°F)
Accuracy: 0.5°C from 15 to 30°C;
1°C from 10 to 45°C
Storage Temperature:
-25 to 75°C (-13 to 167°F)
(without battery)
Output Impedance: <200 Ω
Weight: 57 g (< 2 oz)
Compact Size
Dimensions:
75 H x 25 W x 13 mm D
2.94 x 1 x 0.5")
(
To Order (Specify Model Number)
Model No. Price Calibration Color Code
MCJ-J $99 Black
CJ-K 99 Yellow
M
MCJ-T 99 Blue
MCJ-E 99 Violet
MCJ-R/S 109 and Green
MCJ-C 109 Red
MCJ-D 109 Red/white
Comes complete with mating male thermocouple connector, battery and female-to-male
adaptor pins.
* Not ANSI symbols; C: W/5% Re vs. W/26% Re. D: W3% Re vs W/25% Re.
Ordering Example: MCJ-J, J calibration, $99.
AVAILABLE FOR FAST DELIVERY!
Accessories
Discount Schedule
1 to 10 units ……………………………Net
11 to 24 units …………………………5%
25 to 49 units …………………………10%
50 and up …………………Consult Sales
Model No. Price Description
MCJ-BATT-B $6 Replacement battery
MCJ-BATT-R-A 6 Replacement retro-fit kit for J, K, T, E
MCJ-BATT-R-B 6 Replacement retro-fit kit for R, S
MCJ-BATT-R-D 6 Replacement retro-fit kit for C, D
Note: MCJ-BATT-R, retro-fit kit will replace mercury batteries in units purchased prior to April 1995.
Cold Junction Compensator and Calibration Modules
CJ Series
Starts at
$
250
Discount Schedule
1 to 10 units ……………………Net
11 to 24 units ……………………5%
25 to 49 units …………………10%
50 and up …………Consult Sales
⻬ Works as a Cold Junction Compensator
or In Reverse as a Super Accurate
Calibrator
⻬ Extreme Versatility; Unit Can Be
Plugged Directly into a Thermocouple
or into a Jack Panel
⻬ Color-Coded Thermocouple
Calibration
⻬ Bi-Directional Design
⻬ Instantaneous Warm-Up
⻬ High Reliability
sto
Cu
Also
s
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d
Co
Consult Sales.
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⻬ Rugged Case
⻬ Long Battery Life
Specifications
Reference Temperature Setting:
0°C (32°F), standard
Compensation Accuracy: ±
25°C ambient setting; ±
35°C ambient setting; ±
50°C ambient setting
Storage Temperature:
-25 to 75°C (-13 to 167°F)
(without battery)
Output Impedance:
Less than 250 Ω, standard
Battery Life: 1500 hours or longer
depending on calibration.
Highly Stable: Better than ±0.2°C
at any stabilized temperature over
the full 10 to 50°C range
1
⁄4°C, @
1
⁄2°C, from 15 to
3
⁄4°C, from 10 to
To Order (Specify Model Number)
Model No. Price Color Code Thermocouple Calibration
CJ-K $250 Yellow CHROMEGA®-ALOMEGA
CJ-J 250 Black Iron-Constantan
CJ-T 250 Blue Copper-Constantan
CJ-E 250 Violet CHROMEGA®-Constantan
CJ-R/S 295 Green Pt/13%-Rh/Pt/10%-Rh
CJ-G 295 Red W/W/26% Re
CJ-C 295 Red W/5%-W/26% Re
CJ-D 295 Red W/3%-W/26% Re
Comes complete with quick disconnect male plug, banana jack adaptor and battery.
Ordering Example: CJ-BATT-B, replacement batteries, $6 each.
For units purchased prior to November 1994, order CJ-BATT-R, retro-fit kit, $25.
Note: CJs are available with reference junction temperatures other than 0°C, $250 each for
calibrations K, J, T, E, $295 for calibrations G, C, R/S, and D. Maximum reference temperature:
212°F. Consult Sales for details.
r
le
K-20
K
CJ Series has male pins
integral to unit for direct
connection to panels.
!
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