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AE-780 Surface Resistance Meter
The AE-780 is a light weight, pocket-sized, auto ranging surface Surface Resistance Meter. It is designed to test conductive, anti-static, and static dissipative surfaces for electrical resistivity according to the ESDA’s parallel resistivity probe method DIN EN 100 015/1 & ANSI/ESD-S11.11.
If meter is purchased with the accessory kit, it will comply to IEC 61340-4-1, ANSI/ESDA S4.1 & ANSI/ESDA S.7.1 when the five punch electrodes are used.
AE-780 Surface Resistance Meter Includes:
Tester
Two accordion cables (stereo to banana)
9 volt battery
Certificate of calibration
AE-780-1 Accessory kit
Two 5lb probes
Foam lined carrying case
Limits
Resistivity: 103-1012 ohms/sq.
Resistance: 103-1012 ohms
Measuring voltage: 10v and 100v
Introduction
The AE-780 Surface Resistance Meter is an easy to use tester for measuring surface resistivity. The AE-780 Surface Resistance Meter with the AE-780-1 accessory is a dependable audit kit for conductive and dissipative surfaces. This meter is designed to be used in all facets of material production including engineering, maintenance, quality control, incoming inspection, manufacturing, research, or sales departments for the testing of anti-static mats, floor finishes, paints, wrist straps, smocks, foot wear, bags and containers.
When using the built-in electrodes, the meter’s test values for surface resistivity are in ohms per square (although they are displayed in ohms). When using the external five pound electrodes, the meter’s test values for resistance are in ohms.
DECADE SCALE
103 = 1 kilohm
104 = 10 kilohms
105 = 100 kilohms
3 x 105 = 300 kilohms
106 = 1 meg ohm
3 x 106 = 3 meg ohm
107 = 10 meg ohms
3 x 107 = 30 meg ohms
108 = 100 meg ohms
3 x 108 = 300 meg ohms
109 = 1000 meg ohms
3 x 109 = 3000 meg ohms
1010 = 10,000 meg ohms
1011 = 100,000 meg ohms
1012 = 1,000,000 meg ohms
The tester value is indicated on the LED display. Half decades provide greater accuracy by giving a closer indication to the measurement value. A decade will brighten to the according test result. Colors signify the test value’s function..
COLOR | INDICATING FUNCTION | ohm |
Green | Conductive | 103-105 |
Yellow | Dissipative: ideal test measurement | 3 x 105 - 109 |
Orange | Dissipative but close to going out of space | 3 x 109 – 1010 |
Red | Near insulative to insulative | 1011 - 1012 |
SPECIFICATION
Dimension: -approx. 70mm x 130mm x 35mm
Weight: -approx. 103 grams
Power: - Battery operated PP3 9 volt
Connections: - 2 x 3.5mm jack plug for each earth connection
Test Range: - 103 to 1012
Dissipative Range: - 3 x 105 to 3 x 109 1/2 Decade between each decade on a logarithmic scale
Example: 1x 105 x 3.21 = 3 x 105 (1/2 Decade Measurement) x 3.21 = 1 x 106
Method of Measurement:
Surface Resistivity (Ohms per square)
Point to Point Resistance (Ohms)
Accuracy: - +/- 0.5 Decade in Conductive Range
+/- 0.25 Decade in Dissipative Range
AE-780 Surface Resistance Meter