Extech Instruments CG304 User Manual Download | Manualshive

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USER

GUIDE

Coating

Thickness

Tester

With Bluetooth

®

Model

CG304

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Summary of Contents for CG304

Page 1: ...USER GUIDE Coating Thickness Tester With Bluetooth Model CG304 ...

Page 2: ... care of this meter will provide many years of reliable service Description Meter Description 1 LCD display 2 Power key 3 Probe 4 ARROW buttons Note Battery compartment on rear of meter Display Icon Description NFe Non ferrous metals Fe Ferrous metals AUTO Automatic substrate recognition F or N Calibration icons DIR DIRECT mode GRO1 4 GROUP Mode number µm Micrometers unit of measure mils mils mill...

Page 3: ...eference film 3 In the single mode the meter will emit an audible tone indicating that the measurement has been taken 4 In the continuous mode the display will continually measure and update the display 5 The LCD will show the reading 250µm at the center of the display area 6 A typical display will also show the following NO 1 reading number one on the lower left of the LCD AVG 250µm running avera...

Page 4: ...surement mode No Fe Non ferrous measurement mode Unit settings µm Micrometers mils Mils mm 2 54 100 mm Millimeters Backlight ON Enables backlight operation OFF Disables backlight operation LCD Statistics AVG Average of a series of readings MAX Highest of a series of readings MIN Lowest of a series of readings SDEV Standard deviation of a series Auto Power OFF Enable Allows auto power off to operat...

Page 5: ... the CONTINUOUS measurement mode the meter displays a running average of readings as they are taken Note that the audible measurement beep is not active in this mode In the SINGLE measurement mode measurements are taken one at a time Single mode measurement readings are accompanied by an audible tone b Working Modes Select DIRECT or GROUP 1 2 3 or 4 under WORKING MODES in the OPTIONS Menu using th...

Page 6: ...st the brightness of the backlight f LCD Statistics Select AVERAGE MINIMUM MAXIMUM or SDEV Standard Deviation under LCD STATISTICS in the OPTIONS Menu using the arrow buttons and the SELECT soft key This selection determines which statistic is shown as default on the LCD display g Auto Power OFF Select ENABLE or DISABLE under AUTO POWER OFF in the OPTIONS Menu using the arrow buttons When enabled ...

Page 7: ...scroll down to MEASUREMENT VIEW 3 Press LEFT to open the MEASUREMENT VIEW parameter 4 User the ARROW buttons to scroll through the stored readings CALIBRATION Menu The Calibration menu allows the user to enable disable the calibration utility The Calibration menu also allows the user to delete Zero calibration data for both ferrous Zero F and non ferrous Zero N modes 1 Press the LEFT button to acc...

Page 8: ...nsiderations The calibration sample must correspond to the product sample in the following ways Curvature radius Substrate material properties Substrate thickness Size of measurement area The point at which the calibration is made on the calibration sample must always be identical with the point of measurement on the product itself especially in the case of corners and edges of small parts To achi...

Page 9: ...menu d Press UP DOWN button to select zero point calibration e Press LEFT to enter or RIGHT to return to measurement mode f Press LEFT button to confirm calibration 2 Press and hold the DOWN button to enter zero point calibration of Fe in measuring mode 3 Press and hold UP button to enter zero point calibration of Non Fe measuring mode Delete Fe or Non Fe zero point 1 Press LEFT button to enter me...

Page 10: ...t measures how the sample value is distributed around the sample mean The standard deviation of a set of numbers is the root mean square of the variance S 2 The variance of a list is the square of the standard deviation of the list that is the average of the squares of the deviations of the numbers in the list from their mean divided by the number of readings 1 Variance S 2 1 2 n x x Standard devi...

Page 11: ...al device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause ...

Page 12: ...erating in conjunction with any other antenna or transmitter 2 This equipment complies with RSS 102 RF radiation exposure limits set forth for an uncontrolled environment 3 To maintain compliance with RSS 102 RF exposure compliance requirements avoid direct contact to the transmitting antenna during transmission Error Messages The following error messages will appear on the meter s LCD if a proble...

Page 13: ...y door 2 Open the battery compartment 3 Replace install the two 1 5V AAA batteries 4 Secure the battery compartment Never dispose of used batteries or rechargeable batteries in household waste As consumers users are legally required to take used batteries to appropriate collection sites the retail store where the batteries were purchased or wherever batteries are sold Disposal Do not dispose of th...

Page 14: ...Min area 275 6mils 7mm 196 9mils 5mm Basic critical thickness 19 69mils 0 5mm 11 81mils 0 3mm Industrial standards Conforms to GB T 4956 1985 GB T 4957 1985 JB T 8393 1996 JJG 889 95 and JJG 818 93 Operating Temperature 0 C 40 C 32 F 104 F Operating Relative Humidity R H 20 90 Relative Humidity Dimensions 120 x 62 x 32 mm 4 7 x 2 4 x 1 25 Weight 175g 6 17 oz 1 Accuracy note Accuracy statement appl...

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