Temperature Indicator
 
Applications
  • Process Industries.
  • Laboratories.
  • Heat Treatment Plants.
  • Plastic Industries.
Features
  • Vatiety of models available with various calibrations and ranges.
  • Bright digital display for easy viewing.
  • Excellent accuracy and repeatability.
  • Dual slope integrating technique with auto zero and auto polarity.
  • Automatic cold junction and line resistance compensation.
  • Minimum effects on performance against temperature, humidity and power flactuations.
  • Digitally linearised scale available optionally.
 
Specifications
MODEL A - DTI-3500      B - DTI-3506/3512
           DTI-3500L          DTI-3506-L/3512-L
C - DT-2000     
  DT-2000L
INDICATION 3 1/2 Digit-7 segment display with auto polarity indication.
DISPLAY TYPE LED - 12.5 mm height LCD - 10 mm height
INPUT RESISTANCE/EXCITATION    CURRENT Greater than 100kΩ for Thermocouple input/ 1mA excitation current for RTD input.
SENSOR BREAK   INDICATION Indicated by three least significant digits Blank and most significant digit On.
COLD JUNCTION & LINE    RESISTANCE   COMPENSATION Automatic cold junction compensation over ambient temperature of 0 to 60°C. Upto 500Ω line resistance for Thermocouple and up to 20Ω line resistance for RTD three wire configuration.
OPERATING AMBIENT   RANGE 0 to 60°C Temperature & 95% R.H. at 40°C (non - condensing).
TEMPERATURE EFFECT ON ZERO    AND SPAN ±0.05 digit/°C on zero & ±0.01% of Span /°C on span.
POWER   REQUIREMENT 230V ± 10%, 50HZ. 5VA power consumption. 9v Cell or 4x1.5V Cells.
INPUT/OUTPUT   TERMINATION Screws on barrier terminal. 2 or 3 Pin Socket.
ENCLOSURE A   -  92X46 (mm) panel cutout with 180mm depth.
B  -  92X92 (mm) / 186X92 (mm) panel cutout with 180mm depth.
C-1  -  ABS moulded casing - 80X145X38 (mm).
C-2  -  Metallic casing - 110X180X48 (mm).
  A - Temp. Indicators in Flameproof Enclosures are also available.
B - Provided with inbuilt rotary selector switch suitable for 6 OR 12 inputs.
C - Provided with Leather cover with shoulder strap. Battery life is 100Hrs. intermittent operation.
INPUT CALIBRATION & RANGE TABLE
 
INPUT TYPE RANGE °C RESO °C
Accuracy
Standard %±digit Linearised (L) %±digit
Fe/Co    T/C J 0-400 1 ±0.5%±1 ±0.1%±1
    0-700 1 - ±0.1%±1
Cr/Al    T/C K 0-400 1 ±0.5%±1 ±0.1%±1
      0-1000 1 ±0.5%±1 ±0.1%±1
     0-1200 1 ±1%±2 ±0.1%±1
Cu/Co    T/C T 0-200 0.1 - ±0.1%±2
     0-400 1 - ±0.1%±1
PTPTRH   10% S 0-1700 1 - ±0.1%±2
PTPTRH   13% R 0-1700 1 - ±0.1%±2
RTD PT-100 -100 to +200 0.1 ±0.5%±1 ±0.1%±1
    -100 to +600 1 ±0.2%±1 ±0.1%±1
 
 
 
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