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Devis Rapide: Druck DPI-740

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Druck DPI-740

DPI 740; Precision Pressure Barometer

Modèle

DPI-740

Gamme de produits

Thermal

Fabricant

Druck

Cette configuration a les caractéristiques suivantes:

ThermalTemperature Measurement & EnvironmentalUltrasonic / Flowmeters / Anemometers / Dewpoint

Configurations

Caractéristiques principales

Description produit

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Description produit

The DPI 740 is a portable battery powered precision barometer, providing outstanding capabilities in a hand held package. The fundamental sensor technology employed within this instrument is the Druck resonant pressure transducer (RPT).

This vibrating element sensor not only provides accuracies of ±0.004 inHg (±0.15 mbar) but equally important has a calibration stability of better than 100 ppm per year. The DPI 740 is widely used in laboratory and remote field applications for precision pressure reference.

Key Features

Accuracy: ±0.004 inHg (±0.15 mbar) absolute

Ranges to 103 inHg (3.5 bar) absolute

Six digit resolution LCD display

Multiple pressure scales and aeronautical units

Alkaline or rechargeable batteries

Lightweight hand-held rugged design

RS232 output

Specifications
Druck DPI 740 Portable Precision Barometer
Feature	Parameter
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)
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)
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

Specifications
Druck DPI 740 Portable Precision Barometer
Model Overview
Model	Description
DPI-740-34	Druck DPI-740-34 22 to 34 inHg Portable Precision Barometer Range: 22 to 34 inHg (750 to 1150 mbar) absolute
DPI-740-38	Druck DPI-740-38 1 to 38 inHg Portable Precision Barometer Range: 1 to 38 inHg (35 to 1310 mbar) absolute
DPI-740-77	Druck DPI-740-77 1 to 77 inHg Portable Precision Barometer Range: 1 to 77 InHg (35 to 2620 mbar) absolute
DPI-740-103	Druck DPI-740-103 1 to 103 inHg Portable Precision Barometer Range: 1 to 103 inHg (35 to 3500 mbar) absolute

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