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Lab Water Activity Meter with Printer
Keywords: water activity meter, HD-6 water activity meter, lab water activity meter, aw meter with printer, multi-sensor aw meter
Lab-grade smart water activity meter with built-in micro printer, 0.001 aw resolution, 5,000-record memory and 1–4 measuring points.
HD-6 is a laboratory smart water activity meter that measures temperature and water activity together, with a large 128 × 64 dot LCD and a built-in micro printer for immediate paper records. Water activity is read over 0 – 1.000 aw with ±0.012 aw accuracy (at 23 °C ± 5 °C) and repeatability of ≤ 0.008 aw — tight enough to distinguish batches in routine QC. Temperature is measured over −10 – 50 °C with ±0.5 °C accuracy.
The instrument can be configured with 1 to 4 measuring points (HD-6-1 to HD-6-4), so a single unit can run several samples in sequence without swapping sensors. Measurement takes 5 – 40 minutes or runs automatically. Each unit stores 5,000 sets of data circularly; connected to a Windows PC with the supplied software, it displays readings and curves, saves results, and can name files automatically from a preset product name. Printing can be triggered at the end of a measurement or run in real time, and calibration supports both single-point and multi-point joint procedures.
1. Measurement accuracy — water activity ±0.012 aw (@ 23 °C ± 5 °C); temperature ±0.5 °C.
2. High repeatability — ≤ 0.008 aw across the 0 – 1.000 aw range.
3. Built-in micro printer — print at the end of the measurement or in real time.
4. 1–4 measuring points — HD-6-1 to HD-6-4, matching throughput to your lab.
5. 5,000-set memory — circular recording of measured data with PC synchronisation.
6. PC software — Windows operation, on-screen data and curves, automatic saving by product name.
7. Flexible calibration — single-point or multi-point joint calibration.
8. RS232 or USB — interface options for different PC and printer set-ups.
| Work Environment | Temperature −10 – 50 °C; relative humidity 0 – 95% RH |
| Display Mode | Large-screen LCD 128 × 64 dots |
| Measuring Range | Temperature −10 – 50 °C; water activity 0 – 1.000 aw |
| Measurement Accuracy | Temperature ±0.5 °C; water activity ±0.012 aw (@ 23 °C ± 5 °C) |
| Repeatability | ≤ 0.008 aw |
| Measurement Time | 5 – 40 min, or automatic measurement |
| Resolution | Water activity 0.001 aw; temperature 0.1 °C |
| Data Processing | Windows software: displays data and curves, saves results automatically by product name |
| Data Memory | 5,000 sets of measured data (circular recording) |
| Correction Mode | Multi-point joint calibration; single-point calibration |
| Measurement Points | 1 – 4 |
| Interface | RS232 or USB |
| Configuration | Data cable, micro printer |
| Print Function | Print at end of measurement; real-time print |
| Supply Voltage | 100 – 230 VAC ± 10%, 50/60 Hz |
| Power Consumption | ≤ 10 W |
1. HD-6-1 — 1 sensor
2. HD-6-2 — 2 sensors
3. HD-6-3 — 3 sensors
4. HD-6-4 — 4 sensors
1. Food QC — dried products, powders, bakery and confectionery
2. Pharmaceutical raw materials, granules and finished dosage forms
3. Research institutes and university laboratories
4. Feed and grain quality control
5. Any lab needing printed, traceable water activity records