GE – DPI 740

Portable battery powered precision barometer, providing outstanding capabilities in a hand-held package. This instrument can confidently be used in both laboratory and field applications as a first-class barometric reference device, with the recommended recalibration period being one year.

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Portable battery powered precision barometer, providing outstanding capabilities in a hand-held package. This instrument can confidently be used in both laboratory and field applications as a first-class barometric reference device, with the recommended recalibration period being one year.

Features and Benefits

  • Ranges to 103 inHg (3.5 bar) absolute
  • Accuracy: ±0.004 inHg (±0.15 mbar) absolute
  • 6 digit resolution LCD display
  • Lightweight hand-held rugged design
  • Multiple pressure scales and aeronautical units
  • Alkaline or rechargeable batteries
  • RS 232 output
Need more information?

Please contact +6221-5467618, +6221-54212399 or email [email protected]

Specification

Specifications
Pressure Measurement Specifications
Operating Ranges 22 to 34 inHg (750 to 1150 mbar) absolute
1 to 38 inHg (35 to 1310 mbar) absolute
1 to 77 InHg (35 to 2620 mbar) absolute
1 to 103 inHg (35 to 3500 mbar) absolute
Maximum Safe Working Pressure 130 inHg (4375 mbar) absolute
Pressure Media Compatible with non-corrosive gases
Insensitive to media density
Readout and Display 999999 capability LCD digits 0.54 in (13.6 mm) high with additional 16 text characters.
Display Overload Instrument capable of nominal 110% full scale (FS) for each range. Above this, error code will flash.
Resolution 0.0003 inHg (0.01 mbar)
Response 2 readings per second nominal on digital display
Operating Modes Local pressure (QFE)
Sea level pressure (QFF) from user set height
Altitude above user set datum
Process Features Maximum/Minimum, tare and programmable filter available in all operating modes.
Pressure Units 24 pressure units plus altitude in feet (ft) or meters (m)
Performance Specifications
Accuracy ±0.02% FS
For all pressure ranges includes: Combined non-linearity, hysteresis, repeatability, and temperature effects over 15°F to 120°F (-10°C to 50°C).
Stability Better than 100 ppm per annum.
Temperature Range Operating: 15°F to 120°F (-10°C to 50°C)
Storage: -40°F to 160°F (-40°C to 70°C)
Safety Electrical and mechanical safety: EN61010
EMC emissions: EN50081-1
EMC immunity: EN50082-1
Certification: CE Marked
Position Effect Negligible
Power Supply Three each 1.5 V alkaline AA batteries for 20 hours nominal continuous operation
Programmable power down prolongs battery life
Battery low indicated by display symbol
Optional rechargeable NiCad batteries and external power adapter/charger unit available (see Option B).
Communication
Interface
RS232 via six-way LEMO socket (see Option C)
Physical Specifications
Pressure Connection Accepts 1/4 in OD / 5/32 in ID tubing (6 mm OD / 4 mm ID)
Weight 1.1 lb (0.5 kg) nominal
Dimensions 7.5 in x 3.5 in x 1.4 in (190 mm x 90 mm x 36 mm) nominal

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