Exergen Transmitter IRt/c.XMTR, IRt/c.XMTR Specification Sheet
Transmitter
IRt/c.XMTR
In-Line Pre-Calibrated 4-20
mA Transmitter
The t/c.XMTR is specifically designed to interface any model IRt/c by a
simple thermocouple connector or splice. The two wire current loop can
be used in any conventional 4-20mA, 0-5V or 0-10V circuit that is scaled
for the temperature range of interest.
For OEMs, IRt/c sensors and t/c.XMTR can be supplied pre-wired
together.
· Use any existing wiring, for easy low cost installation
· Use existing PLC, computer or controller inputs
· In line design requires no mechanical support
· Pre-calibrated for IRt/c type, no span or zero adjustment necessary
· Hermetically sealed construction exceeds NEMA 4, 4X, IP65, 66,
67
· Stainless Steel construction can withstand harsh environments
IRt/c Accessories
IRt/c Side
3 ft (1 m) 26 AWGstranded
twisted shielded pair
thermocouple wire.
Temperature at 4 mA
Temperature at 20 mA 150°F (65°C) 500°F (260°C) 1000°F (540°C) 2000°F (1100°C) 3000°F (1650°C)
Accuracy ±0.1% F.S.conversion of thermocouple mV input to mA output
Speed of Response 160 msec (10Hz bandwidth)
Operating Range 32 to 158°F (0 to 70°C)
3.4 (86)
.50 (12,7)
∅
Loop Side
10 ft (3 m) 22 AWG
stranded twisted pair wire.
J150
K150
J500
K500
t/c.XMTR
Any Model IRt/c
J1200
K1200
32°F (0°C)
t/c connector
4 - 20 mA
12 - 36 VDC
K2100 S3000
1000 Ohm
Max
Temperature Drift <0.02% F.S.per °C
Output Noise <1nv rms (100Hz bandwidth)
Input Break Indication Upscale: goes to >20 mA
Power Supply @ Load
StorageTemperature
Weight
Housing
4848
48
4848
CORPORATION
51 Water Street, Watertown, MA 02172 USA
800-422-3006 • 617-923-9900 • Fax 617-923-9911
12 VDC minimum @10; to 22 VDC minimum @1K
-85 to 257°F (-65 to 125°C)
2.4 oz (68 g) with cables
Stainless steel, hermetically sealed, meets or exceeds all applicable NEMA ratings, housing
electrically isolated from signal.
IRt/c for Ambient >100
Up to 450°F (230°C), air alone can provide sufficient cooling with the Cooling Jacket Kit. As the Air Cooling
Chart illustrates, considerably less air is required to cool an IRt/c with a CJK-1 or CJK-2, than an IRt/c.5. For
this reason, the IRt/c is recommended for hot areas if it is possible to bring the sensor close to the target.
The air cooling chart extends above the recommended 450°F (230°C), and can be used there, but caution is
advised due to the possible effects of hot spots.
If air consumption is of concern, or if ambient temperatures are above 450°F (230°C), water cooling is recommended. A small amount of purge air is also recommended when water cooling (see Tech Note #15).
0
C Cooling Requirements
Air Cooling Chart
90
100
(psig)
10
CJK-1 or CJK-2
1
0 200 400 600
Ambient Temperature (
Chart applies to standard ovens. For
forced convection ovens, multiply air
pressure by 3, or add external sleeve
with insulating stagnant air gap.
180°C
IRt/c.xxx*
F
700
(kPa)
70
7
)
1000
0.01
Pressure (psig)
0.001
Air Flow Requirements
100
IRt/c Accessories
10
1
0.1
0.01 0.1 1 10
Flow (SCFM)
Air pressure required to cool IRt/c with CJK-1 or
CJK-2 at various ambient temperatures,
compared
to requirement for IRt/c models with built-in
air cooling.
*All other IRt/c’s with built-in air cooling.
To estimate air flow requirements, select the
pressure required from the Air Cooling Chart, and
read air flow above.
CORPORATION
51 Water Street, Watertown, MA 02172 USA
800-422-3006 • 617-923-9900 • Fax 617-923-9911
4949
49
4949
A convenient and inexpensive kit makes it possible
to use the IRt/c with air, water, or both for service in
harsh environments. Measuring only 1" x 4.16" (25 x
106 mm) overall, the CJK-1 is physically small
enough to fit into tight areas and closely monitor
process temperatures from the optimum position - up
close. With its all stainless steel housing, it can
withstand the harshest environments.
Extraordinarily efficient in design, the CJK requires
only .05 gpm (190 cc/min) of water and 0.1 CFM
(3000 cc/min) of air to protect an IRt/c at 1000°F
(540°C).
All Stainless Steel Housing
IRt/c.2
Purge Air Out
Cooling Jacket Kits
CJK-1
for IRt/c, IRt/c.3X, IRt/c.1X
Water/Air Cooling
WaterCoil
1/8" (3,2) Tubing
Spring
Purge Air In
Female Run Tee
Reducing Union
1/4 to 1/8
Thermocouple Wire
WaterIn
WaterOut
IRt/c Accessories
Features
• Small size - 1" dia. x 4.16" lg. (25 x 106mm)
• Stainless steel housing
• Seamless copper monotube cooling coil
• Complete equipment for air cooling and/or
water cooling
• Air purge included
• Super-efficient design for low air and water use
• Fits IRt/c, IRt/c.1X, IRt/c.3X
• Water cooling to 1000°F (540°C) with as little
as 0.05 gpm (190 cc/min) and 0.1 CFM (3000
cc/min) of air
CJK-1 Housing Dimensions
4.16 (105,6)
.595 (15,1)
Male Connector
Water Cooling Configuration.
All fittings required are supplied.
Water flow > .05 gpm (190 cc/min).
The water
cooling system
consists of a
seamless monotube, in order
to eliminate the possibility of
leaking joints. For convenience, the
seamless tubing extends 3 ft (1 m) from
the rear of the housing.
CJK-1
.44 (11,1)
.500 (12,7)
.372 (9,44)
.75 (19,05)
5050
50
5050
CORPORATION
51 Water Street, Watertown, MA 02172 USA
800-422-3006 • 617-923-9900 • Fax 617-923-9911
6-32 TappedHoles-4
.22 (5,56)
1/8 NPT
1.00 (25,4) O.D.
10-32 TappedHoles- 2
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