Campbell DMM600 Manuál

DMM600 Duff Moisture MeterRevision: 11/12Copyright © 2002-2012Campbell Scientific, Inc.

DMM600 Duff Moisture Meter 2. Place duff in the sieve and place the sieve atop the sample chamber (see FIGURE 4-2 and FIGURE 4-3). FIGURE 4-2. Duff

DMM600 Duff Moisture Meter 3. Finger-work the duff in the sieve until it moves through the sieve and into the sample chamber. The sieve may need to

DMM600 Duff Moisture Meter 6. View the volumetric water content from the display at the bottom of the DMM600 (see FIGURE 4-5). If user calibrations

DMM600 Duff Moisture Meter sample is placed in the sample chamber, the lid is attached, and the sample is compressed to a density determined by precis

DMM600 Duff Moisture Meter 6.3 Performance Accuracy: ±5% full scale range Resolution: 1% volumetric water content 7. Operation The DMM600 is cylin

DMM600 Duff Moisture Meter 7.3.3 Display A two-line, 16-character LCD provides measurement results. When the DMM600 is initially turned on, the disp

DMM600 Duff Moisture Meter The DMM600 presents water content measurement results in volumetric terms because that is what the DMM600 measures. Conver

DMM600 Duff Moisture Meter 7.4.1.1 Determining Duff Sample Bulk Density The bulk density of the sample at time of measurement is determined as follow

DMM600 Duff Moisture Meter FIGURE 7-2. PCDMM user interface display 7.5.2 Calibration Equation The frequency output of the DMM600 is converted to w

DMM600 Duff Moisture Meter 7.5.3.2 Indicators Three circles provide serial communications information. The left circle indicates which serial communi

DMM600 Duff Moisture Meter 28 30 32 34 36 38 40 42010203040506070DMM600 calibrationfrequency (MHz)volumetric water content (%) FIGURE 7-3. DMM600 sta

DMM600 Duff Moisture Meter sitting time will allow the water content to equilibrate throughout the sample. 2. Load a portion of the sample into the c

DMM600 Duff Moisture Meter 7.7 Drying Samples and Calculating Volumetric Water Content 7.7.1 Conventional Oven Method For this method a thermostatic

DMM600 Duff Moisture Meter 6. Return the container with the sample to the oven, and reheat for 1 min. 7. Repeat steps 4 through 6, until the weight

DMM600 Duff Moisture Meter 18

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Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to spec

Table of Contents ii 7.7 Drying Samples and Calculating Volumetric Water Content... 16 7.7.1 Conventional Oven Method ...

DMM600 Duff Moisture Meter 1. Overview The DMM600 Duff Moisture Meter is the product of collaboration between Campbell Scientific and USDA-Forest Se

DMM600 Duff Moisture Meter FIGURE 3-1. Ships with equipment 4. Quickstart This section describes the process for getting a water content measuremen

DMM600 Duff Moisture Meter CompressionKnob Chamber Access Thumbscrew Sample ChamberCap Chamber Removal Thumbscrew Sample Chamber FIGURE 4-1. DMM600