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7038 Multifunction Pressure Indicator Module

  • The 7038 is a precision multifunction indicator module that can be used for pressure or vacuum calibration. It also has the provision to measure process loop current. This allows pressure transmitters and converters to be calibrated directly (with an accompanying DC supply module like 7083 or 7087). The following versions are available; 0.2, vacuum to 2, 5, 10, 20, 35, 70, 100, 200, 400, or 600bar.

    The display is a 4.5 digit LCD and pressure can be displayed in any of nine popular engineering units (5 units for 35 to 600bar versions). Basic accuracy is 0.04% for pressure. Loop current is displayed in mA, or percentage of span (4-20mA). A leak rate function is also provided and displays leakage, either in pressure units per second, or per minute as selected in the ‘User Set-Up’. Additionally maximum and minimum pressure (or loop current) can be displayed.

    The module is fitted as standard with an RS-232 interface situated on the rear of the CalBench console. This enables communication and readback with EasyCal calibration software (supplied as standard with the 7051 multifunction calibrator/control centre module). With EasyCal the user can define pressure calibration procedures and create and print traceable calibration certificates.

    For input pressure Time Electronics have a range of pumps including the 7194 benchtop pneumatic pump (vacuum to 100bar) and 7195 hydraulic benchtop pump (vacuum to 600bar). Each pump features a double output manifold to enable connection to both the module and device under test. They can be used conveniently on the CalBench worktop to provide a precision pressure source to the 7038 and DUT, with a method that requires minimal user effort.

  • Technical Specifications

    Specifications are for 1 year at 23ºC ±5ºC. Accuracy includes linearity and long term effects.
    All accuracies are ±1 digit. For operation outside specified temperature range, apply 70ppm per °C
    Pressure
    Range (bar) 0 to 0.2 Vac to 2 0 to 5 0 to 10 0 to 20 0 to 35 0 to 70 0 to 100 0 to 200 0 to 400 0 to 600

    Accuracy (% of fs)

    0.1

    0.04

    0.04

    0.04

    0.04

    0.04

    0.04

    0.04

    0.1

    0.1

    0.1

    Resolution (bar) 0.01mb .0001 .0001 .0001 .0001 0.001 0.01 0.01 0.01 0.1 0.1

    Units

    20bar and below: (mbar on 0.2bar version), PSI, kg/cm2, inHg, mmHg, cmWg, inWg, kPa, Atm
    35bar to 600bar: bar, PSI, kg/cm2, MPa, Atm

    Maximum Pressure 2 x range, 1.5 x range for 20bar and above
    Sensor Piezo-resistive - stainless steel diaphragm
    Over pressure warning 1.2 x range full scale - audio and visual (on LCD) warning

    Fittings

    Quick Release (under 20 bar) and Minimess (over 20 bar)

    Loop Current Calibration

    Range

    +/- 200mA , or % of 4 - 20mA 

    Display -199.99 to +199.99mA, or -25% to +200%

    Resolution

    Resolution: 10μA (200mA range), (%4-20mA = 0.1%) 

    Accuracy

    0.05% of reading +/- 2 digit (%4-20mA = 0.1%) 

    Loop Resistance

    Less than 2 ohms 

    Protection

    250mA automatic reset Poly-Fuse 

    Terminals 4mm industry standard terminal posts


    General Specifications

    Display

    4.5 digit LCD

    Interfaces

    RS-232 for readback (suitable for use with EasyCal and 7051 multifunction calibrator & control module)

    Module Width

    100mm (primary or secondary console fitting) 

    Optional Extras

    Benchtop pressure pumps, fittings/adaptors kits, EasyCal calibration software, and calibration certificates

    Country of Origin

    UK

  • Module

    7038

    Multifunction Pressure Indicator Module (+ pressure range code shown below)

    Pressure Range Ordering Information
    Range (bar) 0.2 Vac to 2 5 10 20 35 70 100 200 400 600

    Range Code

    7100

    7101

    7102

    7103

    7104

    7105

    7106

    7107

    7108

    7109

    7110

    Options

    7193

    Benchtop Pneumatic Pressure Pump (vacuum to 40bar)

    7194

    Benchtop Pneumatic Pressure Pump (vacuum to 100bar) 

    7195

    Benchtop Hydraulic Pressure Pump (vacuum to 600bar)

    7198

    Pressure Adaptors and Fittings Kit

    ECFLA

    EasyCal Calibration Software (see Bench Software)

    C172

    Factory Calibration Certificate (NPL traceable)

    C132

    UKAS Calibration Certificate (ISO 17025)

  • PDF Downloads
    File Name File Size Language

    7038 Data Sheet

    365kB

    EN

    7193 Benchtop Pressure Pump Data Sheet

    238kB

    EN

    7194 Tabletop Pneumatic Pump Data Sheet

    196kB

    EN

    7195 Benchtop Hydraulic Pump Data Sheet

    232kB

    EN

    7198 Pressure Adaptors & Fittings Kit Data Sheet

    564kB

    EN

    CalBench Brochure

    8.4MB (Low resolution)

    EN

    CalBench Brochure

    20MB (Higher resolution)

    EN