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DSCT

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209

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 50MΩ

Power Off 66kΩ

Overload 66kΩ

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 ±10% Zero and Span

Accuracy See Ordering Information

Stability

Offset ±40ppm/°C

Gain ±60ppm/°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

DSCT37

Typical at T

=+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



NOTES:

(1) Includes conformity, hysteresis, repeatability and CJC error.

DSCT37J-01 J -100°C to +760°C ±0.05% ±0.43°C

(-148°F to +1400°F)

DSCT37K-02 K -100°C to +1350°C ±0.05% ±0.73°C

(-148°F to +2462°F)

DSCT37T-03 T -100°C to +400°C ±0.05% ±0.25°C

(-148°F to +752°F)

DSCT37E-04 E 0°C to +900°C ±0.05% ±0.45°C

(+32°F to +1652°F)

DSCT37R-05 R 0°C to +1750°C ±0.05% ±0.88°C

(+32°F to +3182°F)

DSCT37S-06 S 0°C to +1750°C ±0.05% ±0.88°C

(+32°F to +3182°F)

DSCT37B-07 B 0°C to +1800°C ±0.05% ±0.90°C

(+32°F to +3272°F)

DSCT37N-08 N -100°C to +1300°C ±0.05% ±0.70°C

(-148°F to +2372°F)

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