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Differential Pressure Measurement
Instrument: 2kPa, 20kPa
Range: ±2000.0Pa / ±999.99Pa, ±20000Pa / ±9999.9Pa
Accuracy @ 20°C (including linearity and hysteresis): < 0.1% R + 0.03 Pa, < 0.1% R + 0.3 Pa
Control Stability (if internal pump fitted): <0.003% FS (with both ports sealed)
Resolution: 1:200000 (auto-range 5-digit display)
Temperature Coefficients:
Zero: < 0.02 % fsd per °C (eliminated by Automatic zero function)
Span: < 0.01 % per °C
Measurement inputs
Ranges:
3 x current inputs: 4-20 mA (0.001mA resolution)
1 x Voltage input: ± 20 VDC (0.1mV resolution)
Accuracy @ 20°C:
4 to 20 mA input: < 0.025% + 0.002 mA
±20 VDC Input: < 0.025% + 0.2 mV
PT100 input: Measurement range: 0 to 50 °C (0.01°C resolution) Accuracy <0.025% + 0.004Ω
Absolute Pressure: Range: 600 to 1600 mbar absolute. (0.1 mbar resolution) Accuracy < 0.5%FS
Electrical
Supply Voltage: 12 VDC ± 10% 2A (Universal mains power supply included), 2.1mm power socket
Measurement inputs
Test: 8-pin socket ( voltage + current)
External Pressure Sensor: 5-pin socket (4-20mA)
External Temperature Sensor: 5-pin socket (4-20mA)
External PT100 Sensor: 4-pin socket (2, 3 or 4-wire connection)
Communication Interfaces
RS232: 9-pin D plug
USB: Type A connector for connection to EUT or memory stick
USB: Type B connector for connection to PC
Interface
Digital I/O: 4 inputs/outputs (5V logic)
Analogue output: 0 to 10VDC
General
Enclosure: Aluminium enclosure with tilt feet
Display: Blue backlit graphic display.
Datalogger capacity: Storage of approximately 35,000 single display readings.
Dimensions: W 250mm x H 105mm x D 265mm (without handle)
Operating temperature: +5°C to +45°C
Storage Temperature: -10°C to +50°C
Battery life: > 8 hours of normal use
Weight: < 4.5 kg
Long Term Drift (span): < 0.25% reading per year
Overload: 20 times fsd without damage
Media Compatibility: Clean dry air or non-corrosive gas
Static pressure: Without internal pump: -1 bar to + 4 bar. With internal pump: -500mbar to + 500 mbar.
Pneumatic Connections
Test Ports: Push-on tube fittings for 6mm o/d, 4mm i/d flexible tube.
Absolute sensor port: M5 female thread.
Options:
Basic unit (Without pressure generator or battery)
Automatic pressure generator
Internal Absolute pressure sensor
Internal battery pack
Soft carry case
Laminar flow elements and pitot static tubes for flow / velocity measurement
