Impulse DSCA37 - Manual (Page 2)

High Performance Signal Conditioners DSCA
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DSCA
Specifications
Input Range Standard Thermocouple
Temperature Limits as per
NIST Monograph 175, ITS-90
Input Bias Current -30nA
Input Resistance
Normal 50M Ω
Power Off 65k Ω
Overload 65k Ω
Input Protection
Continuous 240Vrms max
Transient ANSI/IEEE C37.90.1
Cold Junction Compensation
Accuracy, +5°C to +45°C ±0.5°C
Accuracy, -40°C to +85°C ±1.25°C
Output Range See Ordering Information
Load Resistance (I
OUT
) 600 Ω max
Current Limit 8mA (V
OUT
), 30mA (I
OUT
)
Output Protection
Short to Ground Continuous
Transient ANSI/IEEE C37.90.1
CMV, Input to Output, Input to Power
Continuous 1500Vrms max
Transient ANSI/IEEE C37.90.1
CMV, Output to Power
Continuous 50VDC max
CMR (50Hz or 60Hz) 160dB
Accuracy See Ordering Information
Nonlinearity ±0.01% Span
Adjustability ±5% Zero and Span
Stability
Input Offset ±0.5µV/°C
Output Offset ±6ppm/°C (V
OUT
), ±20ppm/°C (I
OUT
)
Gain ±35ppm/°C
Output Noise, 100kHz Bandwidth 250µVrms (V
OUT
), 1µArms (I
OUT
)
Bandwidth, –3dB 3Hz
NMR 85dB at 60Hz, 80dB at 50Hz
Response Time, 90% Span 165ms
Open Input Response Upscale
Open Input Detection Time <5s
Power Supply
Voltage 15 to 30VDC
Current 25mA (V
OUT
), 55mA (I
OUT
)
Sensitivity ±0.0001%/%
Protection
Reverse Polarity Continuous
Transient ANSI/IEEE C37.90.1
Environmental
Operating Temp. Range –40°C to +80°C
ATEX Group II, Category 3 –20°C to +40°C
Storage Temp. Range –40°C to +80°C
Relative Humidity 0 to 95% Noncondensing
Emissions EN61000-6-4 ISM, Group 1
Radiated, Conducted Class A
Immunity EN61000-6-2 ISM, Group 1
RF Performance A ±0.05% Span Error
ESD, EFT, Surge, Voltage Dips Performance B
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
Typical at T
A
=+25°C and +24V supply voltage
DSCA37
Ordering Information
Model Input Range
Output
Accuracy 1 Range †
DSCA37J-01 J -100°C to +760°C 2, 3, 4 ±0.05% ±0.43°C
(-148°F to +1400°F)
DSCA37K-02 K -100°C to +1350°C 2, 3, 4 ±0.05% ±0.73°C
(-148°F to +2462°F)
DSCA37T-03 T -100°C to +400°C 2, 3, 4 ±0.05% ±0.25°C
(-148°F to +752°F)
DSCA37E-04 E 0°C to +900°C 2, 3, 4 ±0.05% ±0.45°C
(+32°F to +1652°F)
DSCA37R-05 R 0°C to +1750°C 2, 3, 4 ±0.05% ±0.88°C
(+32°F to +3182°F)
DSCA37S-06 S 0°C to +1750°C 2, 3, 4 ±0.05% ±0.88°C
(+32°F to +3182°F)
DSCA37B-07 B 0°C to +1800°C 2, 3, 4 ±0.05% ±0.90°C
(+32°F to +3272°F)
DSCA37N-08 N 100°C to +1300°C 2, 3, 4 ±0.05% ±0.70°C
(-148°F to +2372°F)
Type ‡
TC
‡ 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
Output Range Part No. Suffix Example
1. -10V to +10V NONE NA
2. 0V to +10V NONE DSCA37J-01
3. 4 to 20mA C DSCA37J-01C
4. 0 to 20mA E DSCA37J-01E
† †† † † Output Ranges Available
NOTES:
(1) Includes conformity, hysteresis and repeatability,
and CJC error
.
Installation Notes:
1.) This Equipment is Suitable for Use in Class I, Division 2, Groups A, B, C, D, or Non-Hazardous Locations Only.
2.) Warning - Explosion Hazard - Substitution of Components May Impair Suitability for Class I, Division 2.
3.) Warning - Explosion Hazard - Do Not Disconnect Equipment Unless Power Has Been Switched Off or The
Area is Known to be Non-Hazardous.