KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:25 AM Page 1 TABLE OF CONTENTS Introduction Figure 1 Figure 1A, Figure 2 Operating Procedure Interpretation of the Meter Readings Meter Reading Guidelines Figure 3 How To Use Irrigation Charts Installation of the Blocks...
9:25 AM Page 2 INTRODUCTION The Delmhorst soil moisture measuring system consists of two parts: the gypsum soil blocks (sensors) and the measuring instrument, Model KS-D1 moisture tester. The blocks (GB-1) are made of gypsum cast around two concentric electrodes.
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KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:26 AM Page 5 OPERATING PROCEDURE To check the meter calibration: Press the CAL CHK button. The meter should read 80.0 ± 1.0. Note: Instrument serial numbers from 0100-0584 require pressing both READ and CAL CHK buttons simultaneously.
KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:26 AM Page 6 METER READING GUIDELINES Soil Type No Irrigation Irrigation Danger Zone Required to be Applied Insufficient Soil Moisture Fine 80-100 60-80 Below 60 Medium 88-100 70-88 Below 70 Coarse 90-100 80-90 Below 80...
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KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:26 AM Page 8 HOW TO USE IRRIGATION CHARTS Irrigation charts are provided with each instrument. Additional charts are available on order. Regular use of the charts helps in planning irrigation. All readings should be recorded using a line of different identity to indicate the readings of each particular block.
KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:26 AM Page 9 INSTALLATION OF THE BLOCKS Dig a hole in the ground with 1” soil auger or better, a 7/8” soil probe. Make a soil and water slurry of creamy consistency and place 1 or 2 tablespoons of the slurry in the hole.
KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:26 AM Page 10 WHERE TO PLACE BLOCKS The location and depth of the blocks depends on the nature of the crops, the potential root zone, the type of soil and subsurface formation, and the profile of the field. While...
KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:26 AM Page 11 DEPTH OF INSTALLATION The active root zone of the crop determines the depth at which to place the blocks. Type of crop, soil depth, and state of growth should also be considered.
If your meter is not working properly, replace the battery with a new one and check the calibration. If this does not resolve the problem, go to www.delmhorst.com and follow the instructions under the Product Support tab. If you require further assistance please call...
WARRANTY Delmhorst Instrument Co., referred to hereafter as Delmhorst, guarantees its KS-D1 meter for one year from date of purchase and any optional electrodes against defects in material or workmanship for 90 days. If, within the warranty period of the...
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KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:26 AM Page 14 NOTES...
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KS-D1 Op ManualQ7.qxp:Layout 1 4/14/11 9:25 AM Page 1 For 65 years Delmhorst has been the leading manufacturer of high quality, US-made moisture meters and thermo-hygrometers. Today we offer a wide range of meters for applications including water damage restoration, construction, flooring, lumber/woodworking, paper, and agriculture.
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