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Model DG-9 Moisture Meter được thiết kế để bán chất rắn; vật liệu dạng bột, dạng hạt hoặc dệt; và tấm dễ uốn ở dạng cuộn hoặc ngăn xếp.
Dãy đo : 0-60%
Thiết bị cầm tay, sử dụng pin 9V
Đo trực tiếp
Phương pháp đo : tần số vô tuyến
Model DG-9 Moisture Meter is designed for semi-solids; powdered, granular or textile materials; and pliable sheets in rolls or stacks.
Key Features
The Model DG-9 offers flexibility and adaptability for almost any moisture application. This instrument uses digital microcomputer circuitry to provide fast, accurate and reliable non-destructive moisture measurement for many products. The Model DG-9 may be used for comparative testing without calibration or to determine the actual percentage of moisture after calibration. The Model DG-9 will hold 100 different calibration curves. These curves are stored in permanent memory in tables 00 through 99. A fully discharged battery will not cause data in the table to be lost. The DG-9 can test materials with a fairly constant bulk density and a consistent change of radio frequency properties with change in moisture content. These materials include semisolids; powdered, granular, textile materials; pliable sheets in rolls or stacks, chips, chunks or flakes.
Operating on the radio frequency power loss absorption principle, which is a patented feature of Moisture Register Products, the DG-9 projects an RF field into the test area. This RF field extends approximately three inches (7.6 cm) surrounding DG-9’s electrode needles.
Materials containing moisture will absorb part of this RF energy current and cause a change in the meter readings. When calibrated to the material being tested, the meter reading is in direct moisture content.
The DG-9 consists of a needle electrode assembly, which connects to a sensitivity module, which is connected to the meter by a three foot (0.9 meter) cable. The molded plastic handle contains a spring loaded switch bar for momentary testing, while the On-Off switch permits a series of tests.
Tests can be made by inserting the needles directly through a sack, or between layers of paper or other stacks of soft material. Greater accuracy is achieved by measuring a large volume of sample.
The Model DG-9 is furnished with the proper sensitivity modules which are pre-selected to cover the desired range of moisture contents for the material being tested. Any of 7 modules can be added as use of the instrument is extended to new material and ranges.
Interchangeable Sensitivity Modules
The use of solid state sensitivity modules gives the DG-9 a broad moisture range capability. The modules permit more sensitivity in low moisture ranges as well as the ability to check high moisture content of up to 60% on some materials. Seven different sensitivity modules are available, each with varying degrees of sensitivity. Beginning with the highest sensitivity (for very low moisture content), the modules available are: 250, 150, 100, 070, 050, 030, and 010. The 010 is the least sensitive module, and in most cases is used in high moisture applications.
Features
| Process | Handheld |
|---|---|
| Pin Feature | Pin |
| Contact Feature | Contact |
| Measurement Method | Radio Frequency |
| Reading Feature | Digital |
| CATALOG |
