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| Temperature Scanner |
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Applications
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- Large chemical, pharmaceutical, fertilizer, petrochemical, power and cement plants.
- Winding & bearing protection for large Motors and Generator Sets.
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Features
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- Excellent accuracy and repeatability.
- Dual slope integrating technique with auto zero and auto polarity.
- Automatic cold junction and line resistance compensation.
- Minimum effects of temperature, humidity and power flactuations.
- Real Time Clock with RS232C or Centronics compatible printer port available optionally.
- Microprocessor based system with key board operation.
- Data storage in non-volatile RAM.
- Various relay output combinations available.
- Signal selection through solid state multiplexers.
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Specifications
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MODEL
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A - DTS - 3508 |
B - DTSC - 3508 |
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INDICATION
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Data indicated by 3 1/2 digits and channel number indicated by 2 digits : 7 segment LED display of 12.5mm character height with auto polarity indication.
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NUMBER OF CHANNELS
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4 TO 32 Channels available. (No. of channels is in multiple of 4).
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| OPEN SENSOR INDICATION |
Indicated by Data Field as "OPEN".
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SCAN RATE
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Adjustable by keyboard switches provided on front panel. Setting range from 1 to 30 secs.
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SCANNING MEDIUM
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Solid state multiplexers.
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TYPE OF CONTROL
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ON/OFF Type.
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NUMBER OF CONTROL POINTS PER CHANNEL
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1 OR 2. |
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CONTROL SETTING
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Control setting adjustable over full span by Front Panel Keyboard switches. |
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PROGRAMME MEMORY RETENTION
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Programme stored in RAM is protected by battery back-up ( Battery is charged when power is ON ).
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CONTROL OUTPUT
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1 SPDT contact per relay for 3A resistive load for 230V, 50Hz supply. |
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RELAY ON STATUS
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Indicated by front panel LEDs. |
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CONTROL ACTION / OPEN SENSOR PROTECTION
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Relay energises or de-energises when set Temp. is reached / when sensor is open, relay can be energised or de-energised ( to be specified ).
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POWER REQUIREMENT
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110V or 230V, 50Hz / 15VA.
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110V or 230V, 50Hz / 20VA. |
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ENCLOSURE
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92 (W) x 186 (H) x 280 (D) / 186 (W) x 186 (H) x 330 (D).
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OPTIONS
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Non Microprocessor based Scanners with scan rate setting by pot. meter are available in 6/8/12 or 16 channels in 186 (W) x 92 (H) x280 (D) with ranges as specified in TABLE below.
Options:
1). Real Time Clock with Battery Backup.
2). RS232C Serial Port or Centronix compatible paraller printer port. |
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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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ACCURACY
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Fe/Co T/C
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J
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0-700
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1 |
±0.1%±1 |
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Cr/Al T/C
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K |
0-1200
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1 |
±0.1%±1 |
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| Cu/Co T/C |
T |
0-200
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0.1 |
±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 |
0-1700
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1 |
±0.1%±2 |
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| RTD |
PT-100 |
-100 to +200
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0.1 |
±0.1%±2 |
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