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| Temperature Controller |
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Applications
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- Process Industries.
- Laboratories.
- Heat Treatment Plants.
- Plastic Industries.
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Features
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- 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.
- Control setting by push to set method to avoid any error.
- ON/OFF or proportional control available with multiple relay / control output.
- S.S.R. output provided optionally for trouble free reliable operation.
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Specifications
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MODEL
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TC - 4010/11 TC - 4020/21
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DTIC - 3510/3511 DTIC - 3520/3521
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INDICATION/DISPLAY
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Calibrated Dial
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3 1/2 Digit - 7 Segment RED LED display of 12.5mm character height with auto polarity indication.
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INPUT RESISTANCE/EXCITATION CURRENT
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Greater than 100kΩ for Thermocouple input/ 1mA excitation current for RTD input.
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SENSOR BREAK INDICATION |
--
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Three least significant digits Blank and most significant didit On.
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COLD JUNCTION & LINE RESISTANCE COMPENSATION
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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.
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NO. OF CONTROL POINTS
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ONE OR TWO.
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TYPE OF CONTROL
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ON / OFF Type or Time Proportional Type.
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SETTING METHOD
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Potentiometric.
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SETTING ACCURACY
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±2% of span.
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No setting error by push to set type facility.
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| CONTROL OUTPUT |
1 Change Over Relay contact, 3Amp. Resistive Load Capacity at 230V AC.
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RELAY STATUS
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Indicated by RED LED.
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OPEN SENSOR PROTECTION
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Up scale with Relay Trip.
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OPERATING AMBIENT RANGE
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0 to 60°C Temperature & 95% R.H. at 40°C (non - condensing).
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| EFFECT OF TEMPERATURE ON ZERO AND SPAN
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For - DTIC - ±0.05 digit/ °C on zero & ±0.01% of Span/°C on span.
For - TC - ±0.5%/° on zero & ±0.2% of span/°C on span.
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POWER REQUIREMENT
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230V ± 10%, 50HZ. 5VA power consumption.
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INPUT/OUTPUT TERMINATION
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Barrier terminal strip for 0.5 - 1.2mm wire connection.
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ENCLOSURE
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92x92 (mm) panel cutout with 150mm depth.
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92x92 (mm) / 186x92 (mm) panel cutout with 150mm depth.
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ON/OFF type - with 0.1% dead band around set point.
Time Proportional type - with
1. Proportional band of 20% adjustable.
2. Reset for adjustment of offset.
3. Proportional period of 10 second fixed.
Code : 3rd digit : 0-ON/OFF, 1-Proportional. 4th digit indicates No. of set points.
Temp. controllers in flameproof enclosures are also available. |
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INPUT CALIBRATION & RANGE TABLE
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INPUT
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TYPE
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RANGE °C
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RESO °C
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Standard %±digit |
Linearised (L) %±digit |
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Fe/Co T/C
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J
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0-400*
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1 |
±0.5%±1 |
±0.1%±1 |
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Cr/Al T/C
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K |
0-400*
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1 |
±0.5%±1 |
±0.1%±1 |
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0-1000
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1 |
±-0.5%±1 |
±0.1%±1 |
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| Cu/Co T/C |
T |
0-200
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0.1 |
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±0.1%±2 |
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| PTPTRH 10% |
S |
0-1700
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1 |
- |
±0.1%±2 |
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| PTPTRH 13% |
R |
0-1400*
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1 |
- |
±0.1%±2 |
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| RTD |
PT-100 |
-100 to +200
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0.1 |
±0.5%±1 |
±0.1%±1 |
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-100 to +600
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1 |
±0.2%±1 |
±0.1%±1 |
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