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HM28

Product catalog summary

Overview
The HM28 is a versatile handheld pressure gauge designed by HUBER INSTRUMENTE AG. It is capable of measuring overpressure, underpressure, differential, and absolute pressure. The device supports both battery and power supply operation and includes an integrated data memory with RS232 output for data logging and printing.

Key Features

Measures overpressure, underpressure, differential, and absolute pressure.
Integrated data memory with datalogging function.
RS232 interface for direct printer connection.
PC software available for Windows.

Technical Specifications

Measuring Ranges: From 0...25 mbar to 0...90 bar, with various resolutions and maximum loading capacities.
Error Limits: Full scale ± 1 digit, with accuracy categories of 0.2%, 0.1%, and 0.05%.
Measuring Media: Instrument air and inert gases, compatible with stainless steel 18/8 (DIN 1.4305).
Units of Measurement: mbar, bar, kPa, hPa, MPa, mmH2O, mH2O, mmHg, psi, inH2O, inHg.
Temperature Calibration: 10...35 °C.
Operating Temperature: -5...+50 °C, 30 to 95% relative humidity.
Measuring Rate: 20 readings/second for 0.2% category, 10 readings/second for 0.1% and 0.05% categories.
Current Consumption: Less than 9 mA.
Power Supply: 9 V battery or power supply unit.
Memory Interval: Manual, 1 to 60 seconds/minutes, selectable.
Pneumatic Connection: Tube ø 4/6 mm, NPT 1/8” female for > 7 bar.
Case Protection: IP 54.
Dimensions: 152 x 83 x 34/29 mm.
Weight: 270 grams including battery.

Catalog excerpts

Datasheet HM28 HUBER INSTRUMENTE AG, Grellingerstrasse 23, CH-4208 Nunningen Features • Over- and underpressure • Differential pressure / absolute pressure • Battery or power supply unit • Integrated data memory • RS232 Output Description A convincing feature of this handheld pressure gauge is its versatility. Functions are available for leak rate, min./max. values and for storing the measured values in the display. The measured values can be stored in the integrated data memory with the datalogging function and from there, logged directly on a connected printer (without PC) via the RS232 interface. Of course a PC-software level Windows is also available. The HM28 permits measurements in over-and underpressure, differential or absolute pressure. HUBER INSTRUMENTE AG, Grellingerstrasse 23, CH-4208 Nunningen Page 1 /2 All rights reserved

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laiakyi HUBER INSTRUMENTE AG, Grellingerstrasse 23, CH-4208 Nunningen Technical Data Measuring ranges Resolution Max. loading capacity Error limit F.S. ± 1 digit HUBER INSTRUMENTE AG, Grellingerstrasse 23, CH-4208 Nunningen Page 2/2 All rights reserved

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HM28

HM28

Catalog excerpts

All Huber Instrumente catalogs and technical brochures