30 PSI Differential Pressure Gauge 840082 - Sper Scientific
- Measures differential pressure between two gas sources with different pressures.
- Measurement range: 0 ~ 30 PSI.
- Multiple units available for user selection.
- Handheld design, battery powered.
- Computer communication via USB port.
Introduction
30 PSI Differential Pressure Gauge 840082 by Sper Scientific is a specialized handheld device that accurately measures the pressure difference between two gas sources with a range up to 30 PSI. The product is compact and convenient for quick and easy measurements in industrial and cleanroom environments.
The gauge features a wide LCD screen displaying diverse information and multiple pressure units to meet various user needs. Additionally, it supports data storage and computer connection via USB port, facilitating analysis and reporting.
The product is officially imported from Sper Scientific, USA, manufactured in China, meets high-quality standards, suitable for HVAC, cleanroom, compressed air systems, and many other applications.
Features
- Measures differential pressure between two gas sources with a range of 0 ~ 30 PSI.
- Compact, handheld design for ease of use in various working environments.
- Wide LCD screen showing multiple data with backlight support for reading in the dark.
- Supports 11 different pressure units, including PSI, InH2O, kPa, Bar, mmHg, etc.
- Hold function to freeze readings, records maximum (Max) and minimum (Min) values during measurement session.
- Auto power off after 20 minutes of inactivity to save battery; this function can be enabled or disabled.
- USB communication for data transfer and report generation.
- Low battery indicator to alert timely battery replacement ensuring accuracy.
- Integrated clock displaying hour/minute/second on the screen.
- DIF function for monitoring precise pressure changes.

Applications
The 840082 differential pressure gauge is widely used in various technical and industrial fields:
- Firefighting: Checking compressed gas pressure in CO2 piping and other fire suppression systems.
- HVAC systems: Measuring pressure at fan intake or outlet, cooling systems to control airflow and gas pressure.
- Cleanrooms and pressure-controlled environments: Measuring pressure difference between cleanroom and outside environment to ensure dust and microbial control conditions.
- Compressed air systems and peripherals: Checking and maintaining compressed air pressure in production lines, medical equipment, and machinery.
- Other industrial applications: Measuring gas pressure in equipment and production processes requiring precise pressure control.


Technical Specifications - 30 PSI Differential Pressure Gauge 840082 Sper Scientific
PSI:
- Measurement range: 0 ~ 30 PSI.
- Measurement increment: 0.01 PSI.
In H2O:
- Measurement range: 0 ~ 830 In H2O.
- Measurement increment: 0.1 In H2O.
kPa:
- Measurement range: 0 ~ 207 kPa.
- Measurement increment: 0.1 kPa.
ft H2O:
- Measurement range: 0 ~ 69.2 ft H2O.
- Measurement increment: 0.01 ft H2O.
In Hg:
- Measurement range: 0 ~ 61.08 In Hg.
- Measurement increment: 0.01 In Hg.
cm H2O:
- Measurement range: 0 ~ 2110 cm H2O.
- Measurement increment: 1 cm H2O.
Other units:
- mbar: 0 ~ 2068, increment 1.
- Bar: 0 ~ 2.07, increment 0.001.
- mmHg: 0 ~ 1550, increment 1.
- Oz inch2: 0 ~ 480, increment 0.1.
- Kg cm2: 0 ~ 2.1, increment 0.001.
Maximum pressure: 60 PSI.
Accuracy: ±0.09 PSI.
Package Contents
- 1 differential pressure meter 840082 officially imported from Sper Scientific, USA.
- 2 pressure measurement tubes.
- 1 9V square battery (single-use type).
- 1 convenient carrying case for device and accessories.
- 1 official warranty card from Le Quoc Equipment.
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