Impulse DSCT47 - Manual (Page 2)

DSCT
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DIN Rail Mount Two-Wire Transmitters
DSCT
Specifications
Input Range Standard thermocouple temperature limits
as per NIST monograph 175, ITS-90
Input Bias Current -25nA
Input Resistance
Normal 50M Ω
Power Off 66k Ω
Overload 66k Ω
Input Protection
Continuous 240Vrms max
Transient ANSI/IEEE C37.90.1
CMV, Input to Output
Continuous 1500Vrms max
Transient ANSI/IEEE C37.90.1
CMR (50Hz or 60Hz) 160dB
NMR 85dB at 60Hz, 80dB at 50Hz
Adjustability ±3% Zero and Span
Accuracy See Ordering Information
Stability
Offset ±60ppm/°C
Gain ±80ppm/°C
Cold Junction Compensation
Accuracy, +25°C ±0.25°C
Accuracy, 0°C to +50°C ±0.50°C
Accuracy, -40°C to +80°C ±1.25°C
Open Input Response Upscale
Open Input Detection Time < 5s
Noise
Output, 100kHz 3µArms
Bandwidth, –3dB 3Hz
Response Time, 90% Span 165ms
Output Range 4mA to 20mA
Output Limits
Under-range 2.8mA
Over-range 29mA
Output Protection
Reverse Polarity Continuous
Over-voltage 240Vrms Continuous
Transient ANSI/IEEE C37.90.1
Loop Supply Voltage 10.8V to 60V
Loop Supply Sensitivity ±0.0005%/V
Turn-On Delay 400ms
Environmental
Operating Temp. Range –40°C to +80°C
Storage Temp. Range –40°C to +80°C
Relative Humidity 0 to 95% Noncondensing
Emissions EN50081-1, ISM Group 1,
Class A (Radiated, Conducted)
Immunity EN50082-1, ISM Group 1,
Class A (ESD, RF, EFT)
Mechanical Dimensions 2.95" x 0.89" x 4.13”
(h)(w)(d) (75mm x 22.5mm x 105mm)
Mounting DIN EN 50022 –35x7.5 or –35x15 rail
Module DSCT47
Typical at T
A
=+25°C and +24V loop voltage
‡ Thermocouple Alloy Combinations
Type Material
J Iron vs. Copper-Nickel
K Nickel-Chromium vs. Nickel-Aluminum
T Copper vs. Copper-Nickel
E Nickel-Chromium vs. Copper-Nickel
R Platinum-13% Rhodium vs. Platinum
S Platinum-10% Rhodium vs. Platinum
B Platinum-30% Rhodium vs. Platinum-6% Rhodium
N Nickel-14.2% Chromium-1.4% Silicon vs. Nickel-4.4%
Silicon- 0.1% Magnesium
Standards: DIN IEC 584, ANSI MC96-1-82, JIS C 1602-1981
Ordering Information
Model Input Range Accuracy (1) Type ‡
TC
NOTES:
(1) Includes conformity, hysteresis, repeatability and CJC error.
DSCT47J-01 J 0°C to +760°C ±0.1% span ±0.76°C
(+32°F to +1400°F)
DSCT47J-02 J -100°C to +300°C ±0.1% span ±0.40°C
(-148°F to +572°F)
DSCT47J-03 J 0°C to +500°C ±0.1% span ±0.50°C
(+32°F to +932°F)
DSCT47K-04 K 0°C to +1000°C ±0.1% span ±1.00°C
(+32°F to +1832°F)
DSCT47K-05 K 0°C to +500°C ±0.1% span ±0.50°C
(+32°F to +932°F)
DSCT47K-13 K -100°C to +1350°C ±0.1% span ±1.45°C
(-148°F to +2462°F)
DSCT47K-14 K 0°C to +1200°C ±0.1% span ±1.20°C
(32°F to +2192°F)
DSCT47T-06 T -100°C to +400°C ±0.1% span ±0.50°C
(-148°F to +752°F)
DSCT47T-07 T 0°C to +200°C ±0.1% span ±0.20°C
(+32°F to +392°F)
DSCT47E-08 E 0°C to +1000°C ±0.1% span ±1.00°C
(+32°F to +1832°F)
DSCT47R-09 R +500°C to +1750°C ±0.1% span ±1.25°C
(+932°F to +3182°F)
DSCT47S-10 S +500°C to +1750°C ±0.1% span ±1.25°C
(+932°F to +3182°F)
DSCT47B-11 B +500°C to +1800°C ±0.1% span ±1.30°C
(+932°F to +3272°F)
DSCT47N-15 N -100°C to +1300°C ±0.1% span ±1.40°C
(-148°F to +2372°F)