The hygiene/food testing device is a mobile measuring device for water activity. Water activity indicates the amount of water that is biologically available to microorganisms such as bacteria, mold or similar. Each type of microorganism has a minimum value for water activity below which growth is no longer possible. The higher the aw value of a food, the more perishable it is. Bacteria usually require a water activity of over 0.98, but significantly lower water activities of up to 0.6 can also be tolerated by extremely halophilic bacteria, for example.
The hygiene / food testing device has a measuring range of 0.01 aw ... 1 aw with a high accuracy of ±0.03 aw. The measuring attachment is magnetic so that the sample can be measured safely and protected from light. The hygiene/food testing device comes with 3 sample trays with which many foods can be quickly tested for shelf life. In addition, 2 AAA 1.5V batteries are required to operate the hygiene/food testing device. The hygiene/food testing device is used in the food industry, for testing water activity in laboratories, in seed storage and other areas.
Key Features:
Specifications:
| Water activity | |
| Measuring range | 0.01 aw ... 1 aw |
| resolution | ±0.01 aw |
| accuracy | 0.03 aw |
| temperature | |
| Measuring range | 0°C ... 50°C |
| resolution | 0.1°C |
| accuracy | ±1°C |
| General technical data | |
| Display type | LCD |
| sensor | non-conductive humidity sensor |
| Battery type | AAA battery (1.5V) |
| Menu language | English |
| Protection class | IP20 |
| Weight | 244g |
| Device weight with scope of delivery | 930g |
| Device weight including scope of delivery and outer packaging | 980g |
| Dimensions (L x W x H) | 150x68x68mm |
| Other dimensions | Inner diameter of sample shells: 33mm |
| Operating conditions | 0 ... 50 °C, 0 ... 95% RH |
| Storage conditions | 0 ... 50 °C, 0 ... 95% RH |
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