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DI2WP Process Indicator
The DI2WP Loop Powered process Indicator is a self powered 4-20mA input surface mounting process indicator which is housed in a 140 x 80 x 65mm impact resistant weatherproof plastic enclosure. The instrument incorporates a 3.5 digit 25mm high LCD display with a wide viewing angle. It is user programmable in engineering units.
CALIBRATION NOTE
- Accepts 4-20mA or 10-50mA input
- User programmable in engineering units
- Loop powered
- Low cost – High Performance
- Positive or negative signal slope selection
- DI2WP is in a weatherproof enclosure
- Applications include the display of flow, level and pressure
- Australian design and manufacture
The DI2WP instrument has been designed to accept an input signal of 4-20nA or 10-50mA and be powered from that signal. The input measurement is shown on a 25mm digit height 3.5 digit liquid crystal display (LCD).
They are user programmable in percent or engineering units for such process variables as flow, level, pressure and temperature.
The instruments have been designed to reject electrical interference that normally abounds in industrial environments.
The DI2WP is supplied in an IP65 rated surface mount weatherproof enclosure.
specifications
INPUT DETAILS
- 4-20mA or 10-50mA current loop with an impedance of 12 Ohms and a voltage drop of 2.5 volts at 20mA
- Forward current overload of one (1) ampere for 5 milliseconds and a reverse current of one ampere continuous
- CMRR greater than 100db
- NMRR greater than 50db
DISPLAYS
A 3.5 digit high contrast liquid crystal display (LCD) on a reflective background with a wide viewing angle and a viewing distance of 5 metres.
DECIMAL POINTS
Three (3) position user selectable by dip switch for formats: 100.0; 10.00 and 1.000.
OVERANGE
Most significant digit ‘1’ and the three least significant digits blank.
SPAN RANGE
0 to 2000 counts adjustable.
ACCURACY
0.1% of reading +/- 1 count.
ENVIRONMENTAL PARAMETERS
- 0-70 degrees Celsius
- 0-90% rh non condensing
CONNECTION DETAILS
- Terminal 1: input low (-)
- Terminal 2: not used
- Terminal 3: input high (+)
INSTRUMENT POWER SUPPLY
The operating power for the DI2WP is obtained directly from the input current loop.
CASE DETAILS
- Height: 80 mm
- Width: 140 mm
- Depth: 68 mm
WEIGHT
DI2 is 400 grams.
MOUNTING DETAILS
IP65 rated surface mounting weatherproof enclosure mounted horizontally with a 25mm LCD display has fixing centres of 60mm high by 120mm wide.
OPTIONS
Led backlighting is available to operate from 24VDC.
ORDERING INFORMATION
- Model/input/display units/power supply/options
- Sample no.DI2WP/4-20mA/0-100.0/LP
- All units shipped factory calibrated to 0-100.0
