The Sibata (Japan) water activity meter AW-1 is a compact, accurate device designed to meet the needs of quality control in both laboratory and industrial production. With the ability to measure quickly, support many types of samples and integrate data management software, the AW-1 provides an optimal solution for businesses that need to ensure the stability and actual shelf life of the product.
GENERAL INTRODUCTION OF SIBATA’S AW-1 WATER ACTIVITY METER
The Water Activity Meter is compact and lightweight, suitable for field use or laboratory use.
Quick measurement: Simply place the sample in the sensor-mounted container and connect to the main controller, the device will automatically start the measurement process.
Removable sensor-mounted sample cup: Easy to replace, convenient for maintenance or use with many different types of samples.
Two optional sensors:
Capacitive sensor – accurate measurement over a wide measuring range.
Resistance sensor – good alcohol resistance, suitable for samples containing special solvents.
Long life & easy replacement: When the sensor deteriorates, it can be replaced without affecting the main unit.
OUTSTANDING FEATURES OF WATER ACTIVITY METER AW-1
The AW-1 water activity meter from Sibata (Japan) is an ideal choice, compact in design but integrates many advanced features, suitable for both laboratory and industrial production.
Compact design, lightweight, easy to carry.
Measures both powder and liquid samples.
Supports 2 types of sensors: capacitive (accurate, wide range) and resistive (high alcohol resistance).
Two modes: Steady (standard) & Fast (short time).
Flexible calibration from 1 to 3 points.
Store up to 99 measurement results in memory.
Dedicated PC software: mode setting, data acquisition, calibration.
Windows 10 & 11 compatible.

Application
Food, pharmaceutical and cosmetic industries
Practical training in an educational environment
New product development
Prototyping and Evaluation
Quality control in the production process
Verify the quality of raw materials
Pre-shipment inspection,…
TECHNICAL SPECIFICATIONS OF WATER ACTIVITY METER AW-1 SIBATA
Model | AW-1 |
Water activity display range | 0.000 to 1.000 aw |
Display screen Items | Water activity value, Temperature (optional: relative humidity), Battery status |
Data storage function | Stores up to 99 measurement results |
Communications | Special PC Software (Windows 10/11) via a USB connection |
Continuous operating time | Approx. 60 hours (when using AAA alkaline batteries) |
Power Source | 4 AAA batteries or USB power(micro-B)*1 |
Dimensions & Weight | Approx. 83(W) × 47(D) × 140(H) mm(excl. protrusions) Approx. 270gUSB cable used to connect to computer. |
- *1: The USB cable is for PC connection.
- AW-1s does not come with a sensor.
- Download the communication software from the SIBATA website.
- A mobile battery and smartphone charger are not provided.
- Additionally, power cannot be supplied via the USB connection when connected to a PC.
2H INSTRUMENT PROVIDES 100% GENUINE WATER ACTIVITY METERS AT GOOD PRICES
At 2H Instrument , we are committed to providing businesses with 100% genuine Water Activity Meters, imported directly from reputable international manufacturers.
With competitive prices and professional after-sales service, 2H Instrument not only helps businesses own accurate and durable equipment but also accompanies them throughout the entire process. Contact 2H Instrument for detailed advice.
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