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Kett HI-520, Operating Manual

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Summary of Contents for HI-520

Page 1: ...Concrete and Mortar Moisture Tester Model HI 520 Operating Manual...

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Page 3: ...Specifications 3 2 Part Names 4 3 Measurement Principles 6 4 Using the HI 520 8 1 Preparations 8 2 Measurement 15 5 Part Functions 17 1 The HOLD Switch 17 2 Auto Power Off Function 17 3 Warning Signal...

Page 4: ...old functions which make it possible to confirm the results of measurements taken at locations which are not directly visible In addition the HI 520 features a temperature compensation function which...

Page 5: ...ALC 0 100 Compensation Functions Thickness 10 40mm Temperature 1 Automatic 0 40 C 2 Manual 0 70 C Display Digital LCD display Alarm Functions Buzzer alarm when moisture content values exceed set value...

Page 6: ...4 2 Part Names 1 Display 2 OFF Switch 3 ON Switch 4 HOLD Switch 5 Select Dial 6 Thickness compensation dial 7 Temperature compensation dial...

Page 7: ...5 8 Alarm Setting Switch 9 Buzzer 0 Battery Compartment Sensor Strap...

Page 8: ...The conductivity of water is 80 a much larger value than concrete or mortar Therefore when the concrete or mortar contains water the conductivity is found to be higher than with the dry material This...

Page 9: ...elationship is described by the following formula c e K farad e Conductivity of the material containing moisture K Constant determined by shape of the sensor electrode c Capacitance 7 Moisture content...

Page 10: ...e HI 520 utilizes a 9V alkaline battery as its power supply 8 Insert a new battery into the compart ment taking care to orient the positive and negative terminals correctly Use thumb to pull the batte...

Page 11: ...Adjusting the dials First adjust the dials as necessary before beginning measurements 1Select Dial Set the select dial to the type of material to be measured 1 LWC 2 GYP 3 Mortar 4 Concrete 5 ALC D D...

Page 12: ...t have calibration information for other materials in its microcomputer memory and therefore it cannot directly display moisture content values for other materials it does have D MODE 0 1999 calibrati...

Page 13: ...lues above the set limit are measured a Press the switch and turn the thickness compensation dial to the ALARM position b The display appears as indicated below The alarm is not set The alarm limit is...

Page 14: ...c There is an ALARM SET trimmer on the right side of the unit Use the supplied screwdriver to turn the trimmer desired setting displayed on the LCD 12...

Page 15: ...l to be measured Set the dial to the 40mm position if the thickness exceeds 40mm Please note that you will not be able to make measurements if the dial is turned all the way to the ALARM position 13 E...

Page 16: ...ompensation dial to the AUTO position Use the temperature compensation dial to manually set the temperature compensation value if the temperature difference between the material being measured and the...

Page 17: ...approximately 2 seconds Next the value selected with the select dial is displayed is displayed if set to the D MODE Example Mortar If the displayed numbers or symbols blink this indicates that the bat...

Page 18: ...2 The moisture content is displayed on the digital display when the sensor is pressed against the material to be measured 3 Press the switch to turn off the power when done making measurements 16...

Page 19: ...nit is placed against the surface The display disappears when the sensor is moved away To keep the displayed value press the switch Press the switch a second time to release the displayed value 2 Auto...

Page 20: ...arning Signal Display The maximum measurable moisture content value depends upon the type of material being measured Indicates that the material s moisture content exceeds the maximum measurable limit...

Page 21: ...e sensor is in even contact with the surface to be measured It is best if the surface being measured is flat B When measuring objects of more than 40mm in thickness set the thickness compensation dial...

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Page 24: ...0702 MA 0102 500...

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