Mighty Module Model DIS474
Thermocouple Input Process Indicator


CONNECTIONS

Power AC L1
Power AC L2
Shield (Common)
T/C -
T/C +
(Terminal Labeled)

1
2
3
4
5

Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument

Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Catalogue
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Manual


Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument


Features

Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Provides 3 1/2 Digit Display Calibrated in Temperature
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Degree C/Degree F Switch
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Red or Green LEDs
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Linearized for All Standard Thermocouple Types
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Cold Junction Compensated
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument 0.1 Degree Resolution Available (T/C Types J, K, T, E & N)
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Plug-In Card Changes T/C Type & Range
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Fits Standard 1/8 DIN Cutout
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument Rated NEMA-4X, Splashproof and Corrosion Resistant When Properly Installed
Thermocouple,Input,Process Indicator,Model DIS474,Wilkerson Instrument 5 + 5 Year Warranty

Description

The DIS474 displays temperature as measured by a thermocouple input.  The unit includes filtering and conditioning to reduce susceptibility to transients and noisy operations.  The digital display utilizes an auto-zero dual-slope integrating A/D converter for accuracy and stability.

A unique analog thermocouple circuit with digital linearity compensation provides the optimum combination of resolution and thermocouple linearization.  Linearization is better than +/-1ºC from -200ºC (-328ºF) to the thermocouple's upper limit on all ranges.  0.1ºC/0.1ºF resolution is available for thermocouple types J, K, T, E and N (-199.9 to +199.9ºC/ºF).  A temperature-sensing I.C. potted inside the input connector provides optimum cold-junction compensation.

All DIS instruments are gasketed and, when properly installed, are NEMA-4X splashproof and corrosion resistant.  ZERO and SPAN controls are accessible by removing a gasketed front access panel.

A plug-in range card, accessible without opening the case, permits user recalibration for all thermocouple types and ranges. ºC orºF is selected using switches accessible from the rear.  A rear-panel jumper selects upscale or downscale burnout indication.

A complete set of engineering unit labels is sent with each DIS.  Terminations are made to a screw terminal connector on the rear of the case.

Typical Applications

Temperature indication and monitoring.

Mounting

The DIS is designed to be mounted from the front of a panel through a standard horizontal 3.62 x 1.77 inches (1/8 DIN) cutout. Two mounting cam-screws allow the securing of the DIS to the panel from the front.

Input Ranges

Input Thermocouple Type   Temperature Range
B Type B   +200/+1820ºC or +392/+1999ºF
E Type E   -200/+1000ºC or -328/+1832ºF
E (Narrow) Type E   -199.9/+199.9ºC orºF
J Type J   -200/+1200ºC or -328/+1999ºF
J (Narrow) Type J   -199.9/+199.9ºC orºF
K Type K   -200/+1372ºC or -328/+1999ºF
K (Narrow) Type K   -199.9/+199.9ºC orºF
N Type N   -200/+1300ºC or -328/+1999ºF
N (Narrow) Type N   -199.9/+199.9ºC orºF
R Type R   -50/+1768ºC or -50/+1999ºF
S Type S   -50/+1768ºC or -50/+1999ºF
T Type T   -200/+400ºC or -328/+752ºF
T (Narrow) Type T   -199.9/+199.9ºC orºF
Others Contact factory    

Specifications

INPUT RANGE
Wide
  any standard thermocouple type,
  full temperature range
    -200ºC (-392ºF)  to +1999ºC/ºF

Narrow
  -199.9 to +199.9ºC/ºF
  types J, K, T, E & N

ACCURACY
Wide
  +/-(0.1% of reading plus 1ºC or 2ºF)
    (Includes T/C linearization)

Narrow
  +/-0.5ºC or 0.9ºF

BURNOUT INDICATION
upscale/downscale
  jumper selectable

COMMON MODE REJECTION
120 dB, DC to 60 Hz

INPUT-TO-LINE BREAKDOWN VOLTAGE
1500 VAC rms

DISPLAY
Digit Size
  .56 inch LED, 3 1/2 digit, +/-1999ºC/ºF
    switch selectable

Update Rate
  3/sec

OPERATING TEMPERATURE
 14ºF to 140ºF
-10ºC to  60ºC

TEMPERATURE STABILITY
+/-0.02% of span/ºC max

POWER
115 VAC +/-10%, 50/60 Hz
  (4 W max)
230 VAC +/-10%, 50/60 Hz
  (4 W max)

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