Water activity tester HTY-AW01-MC

laboratorybenchtopwith touchscreen

Introduction
Water activity meter HTY-AW01-MC is based on the mirror condensation dew point method. It is used in pharmaceutical, food, cosmetics and related industries to determine and control microbial risk factors by measuring water activity (aw).

Features

• Working principle: The mirror in the sample chamber is cooled until condensation appears; the mirror temperature at condensation is recorded as the dew point. Saturated vapor pressure (P) is obtained from tables and divided by the saturated vapor pressure of pure water (P0) to calculate water activity (aw = P / P0).
• Mirror condensation method: Traceable to national/international primary methods; referenced by USP <1112>.
• Strong storage capacity: Records test temperature, time and sample information; data retention exceeds 10 years.
• High accuracy: Measurement accuracy ±0.003 aw.
• Data integrity: Compliant with 21 CFR part 11, three-level user access, audit trails and multiple backup options.
• Low maintenance cost: Inexpensive consumables and no frequent sensor recalibrations required.
• Fast test speed: Active temperature control module for rapid and precise control; typical detection within 6 minutes.

Specifications
Test range: (0.030–1.000) aw
Maximum allowable error: ±0.003 aw
Resolution: 0.0001 aw
Repeatability error: ≤3%
Test time: 6–8 min (typical within 6 minutes with active temperature control)
Temperature control range: 10–50 ℃
Temperature control accuracy: ±0.2 ℃
Operating environment: Temperature 4–50 ℃, 10%–85% RH (non-condensing)
Sample temperature: 10–50 ℃ (accuracy ±0.2 ℃, resolution 0.01 ℃)
Input power: 100–240 VAC ±10%, 50/60 Hz
Power consumption: ≤100 W
Sample cup capacity: 7 mL
Data storage: More than ten years (includes aw, temperature, time, date, operator and sensor type)

Compliance

• USP 922 Water Activity
• USP 1112 Application of Water Activity Determination in Non-sterile Drugs
• USP 1241 Water-Solid Interactions in Drug Systems

Applications
Applicable to pharmaceutical, food, biodegradable materials and cosmetics industries; suitable for testing drugs, food, soil, compost, beverages, cosmetics and similar materials.

Technical specifications

• Model: HTY-AW01-MC
• Measurement principle: Mirror condensation dew point method
• Measurement range: 0.030–1.000 aw
• Maximum accuracy: ±0.003 aw
• Resolution: 0.0001 aw
• Test time: 6–8 minutes (typical within 6 minutes with active temperature control)
• Temperature control range: 10–50 ℃ (accuracy ±0.2 ℃)
• Operating conditions: 4–50 ℃, 10%–85% RH (non-condensing)
• Sample cup capacity: 7 mL
• Power supply: 100–240 VAC ±10%, 50/60 Hz, ≤100 W
• Data retention: >10 years
• Data security and compliance: 21 CFR part 11, 3 user access levels, audit trails
• Maintenance: Low-cost consumables, no frequent sensor calibrations