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DIGITAL TEMPERATURE CONTROLLER - SERIES - 201

GENERAL DESCRIPTION

DIGITAL temperature Controllers are designed to display contiguous process value. Set value can be read by pressing a switch SET. These instruments are used to control the temp of water, chemicals & many other liquids or solids & furnaces. The 5 Amp relay contact rating is available to connect the load directly. The design having high stable reference & current source with very low temp, drift. The hysteresis & offset are adjustable & used to tune the process precisely. The rugged DIN std. housing with polycarbonate front facial is used.

Features

  •  31/2, 41/2 digit 0.5" LED display.
  •  Linearisation for Pt-100 & T/Cs..
  •  Time - proportional output available.
  •  Hysteresis & offset - Adjustable.
  •  Built-in cold junction compensation.
  •  Solid state Relay output - optional.
  •  Accuracy +/- 0.25% of F.S. typical.
  •  0/4 - 20mA or to 10V retransmission output available - optional.

Construction & Operation

He rugged DIN std housing with PCBs -sliding type are used. The green mask, glass epoxy PCB having PCB mounted transformer & display board soldered on main PCB. The highly stable, constant current source passes through pt-100 element giving mV o/p. This mV signal is then amplified & linearised & given to DPM to display the process value. In case of T/C i/p , mV are directly amplified & linearised to display the Process value. Cold junction compensation is added at the input stage.

Applications

These instruments can be used in Steel plants, Plastic, Breweries, Chemical, Fertilizer, and Sugar, Paper mills, Power stations, Food, Dairy, Rubber industries & Air Conditioning.

Technical Specifications
INPUT Pt-100, T/C (J,K,R,S),mA, mV OPERATING TEMP 10 to 50 °C
OUTPUT Relays 5Amp, P-No-NC contacts OPERATING HUMIDITY 90% Rh N. C. max.
RETRANSMISSION NPUT 0/4-20mA or O to 10VDC DIMENSIONS 96X96X175 mm
72X72X100 mm
48X96X175 mm
SUPPLY 240VAC, +/- 10%50Hz
110VAC, +/- 10%50Hz
24VDC, +/- 10% optional
CUTOUT 92 X 92 mm
68 X 68 mm
44 X 92 mm
RANGE -200 to +600 "C-- Pt-100 0 to 600 °C -- J type Oto1200°C -- K type Oto1600°C -- R,S type User Specified -- mA,mV, Volts MOUNTING Panel Mounting
ACCURACY ) 0.25% of FULL SCALE WEIGHT 1.5 Kg approx.
INDICATION 3 1/2, 4 1/2 digit RED LED display 0.5" height,for process & set values MODEL 201 - 3 1/2 digit ind.
205 - 4 1/2 digit ind.
201 - 3 1/2 digit ind.
Pt-100, mV, mA, T/C inputs
210- 3 1/2 digit ind.
T. P. ACTION
205 - 4 1/2 digit ind.
Pt-100, mV, mA, T/C inputs
215-4 1/2 digit ind.
T. P. ACTION
COLD JUNCTION Built-in.    
COMPENSATION      
FORT. P. ACTION Time -1 to 60 sec. Propotinal Band-0.1% to 100% Offs t +/- 20°C CHANNEL SELECTION DIMENSIONS by front push button in manual mode. 96X96X175mm 72 X144 X 300mm
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