Digital Draft Indicator, Bargraph Indicators, Differential Pressure Indicator, Orifice Plate Assemblies, Thane, India

DIGITAL DRAFT INDICATOR

 To Cater to the Specific need of Draft measurement, a
 innovative reliable / rugged product to replace the conventional
 moving coil draft indicator has been designed with the following
 salient features.

                                    SALIENT FEATURES
 
 Input : Direct Impulse Tubing (Air and dry Application)
 Display :  31/2 Digital
 Bargraph :  30 LED Bargraph Indicator
 Zero and Span :  Adjustable, Non-interactive
 Output :  4-20 mA (Optional)
 Alram Control :  Hi-Lo Contacts (Optional)

TECHNICAL SPECIFICATIONS

Input : Air & Dry Gases
Power Supply : 230 Vac + -10%, 50 Hz
Range : 0 to 1999 mmWC for pressure
0 to 760 mmHg for Suction
Repeatability : 0.5% of full scale
Digital Display : 31/2 digit, 12.5 mm height red led
Bargraph Display : 30 Led Bargraph for 0 to 100%
Retransmission Output : 4 to 20 mA (Nonisolated)
Pressure Sensor : Solid state piezoresistive
Operating Temperature : 10 to 50 Deg C
Operating Humidity : 90% Rh (Noncondinsing)
Overall Dimensions : 72 (W) x 144 (H) x 250 (D) mm
Panel Cutout : 68 (w) x 138 (h)
Pressure Connection : 1/4" Bsp (Back of instrument)
Mounting : Flush Panel
Weight : 1.75 kgs,approx
Application : a) Boiler draught measurement.
b) Calibratio of Pressure Instrument
c) Differential Pressur across fitters
d) Digital Manometer
e) HVAC / Clean room monitoring

TYPICAL PRESSURE SENSOR CHARACTERISTICS

Sensor
Solid State * Piezoresistive

Operating Temp
-20 Deg C to + 75 Deg C

Sensitive at 25 Deg C
3.0 mV / v / PSi

Combined Linearity & Hysterisis
+ 0.2 % FS

Response Time (10% to 90%)

Digital Draft Indicator
 

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