In-Head Temperature Transmitter Series: SEM1040 pages
Temperature Transmitter
(]}[|INDUMART
Canada
www. indumart. com
SERIES: SEM104
> 2-WIRE 4-20 mA OUTPUT
> ADJUSTABLE ZERO AND SPAN
> RTD OR THERMOCOUPLE INPUT
> CHANGEABLE MEASURING RANGE
INTRODUCTION
ndumart SEM104 Series 2-Wire Temperature
Transmitters provide accurate and reproducible
conversion of RTD or thermocouple signals to 4-
20 mA output.
One model is designed to accept RTD (Pt-100,2
or 3 wire) input. The others accept types J, K and
T thermocouple inputs and also provide automatic
thermocouple cold junction compensation.
The transmitters will be supplied in standard
factory calibrated ranges, but on board links allow
the transmitter to be easily re-ranged to operate
over most industrial and commercial applications.
ZERO and SPAN potentiometers are provided to
allow fine re-calibration at both ends of the scale.
The SEM104 Series are mounted on the standard
33 mm fixing centers of miniature RTD or
thermocouple connection heads.
SPECIFICATIONS @ 20°C
SEM104P used for RTD
Accuracy
Offset Adjustment
Gain Adjustment
SEM104J. K or T
Lineraization
Accuracy
Offset adjustment
Span Adjustment
Impedance
Burn Out
Cold Junction
GENERAL
Output
Loop Supply
Loop Resistance
Ambient Temperature
Ambient RH
Case Size
±0.2°C ± 0.2% of reading
Range dependent
25 to 500°C
Linear to mV
±0.1% FRO + Cold June. err.
±100°C; Solder links &
potentiometer
100 to 1000X
>1M Ohm
Upscale standard;
Downscale by link
Automatic 0 to 70"C
4-20 mA loop powered,
Max. 30 mA
10 to 30 VDC
700 D Max. @ 24V
0 to 70°C operating
0 to 95% non-condensing
42 mm dia. x 23 mm Height
42 mm
Ordering SEM104
l/^H/l
SEM104
2- or 3-Wire RTD Pt-100 Input Pt-100
Type J Thermocouple Input TCJ
Type K Thermocouple Input TCK
Type T Thermocouple Input TCT
Low/High Temperature Range
& the Unit (Deg. C or F)
1-15 W. Pearce St., Richmond Hill, Ont. L4B 1H6, Canada
INC. Phone:(905) 707-9998 Fax:(905)707-8484 E-mail: Sales@lndumart.com
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