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INTRODUCTION

MEWOI-HZR100  is an ultra wide-range,battery operated, portable instrument for measuring Surface Resistivity of virtually any flat surface confoming to ASTM D-257 standard by using recommended parallel bar sensing probe. In the circuit industry,products such as packaging materials, ESD shielding bags, work bench surfaces,static dissipative table and floor mats,conveyor belts,etc,have resistance 118alues which need to confom to stringent specifications. Moreover, these 118alues are expected to fall with in specified limits. The Surface Resitivity Meter can play a vital role in monitoring and checking the resistivity characterstic of the above items.

It also has unique additional feature of surface-to-ground measurement capability wherein the resistivity differential between any surface and any chosen ground can be determined.

The surface resistivity is conveniently indicated by a row of LEDs covering a total of 10 decades from 103 to 1012 ohms per square.

APPLY TO

Suitable for Measurements

Apply to Standards

Working surface resistance (workbench & shelf & mobile equipment)

ANSI/ESD STM 4.1

Anti static packaging resistance (plate & Bag & box)

ANSI/ESD STM 11.11 &

ANSI/STM 11.12

Antistatic wrist strap resistance

ANSI/ESD S 1.1

Antistatic clothing resistance

ANSI/ESD STM 2.1

Antistatic floor resistance

ANSI/ESD STM 7.1

Antistatic shoe resistance

ANSI/ESD STM 9.1

Antistatic heel strap resistance

ANSI/ESD SP 9.2

Anti static seat resistance

ANSI/ESD STM 12.1

Test the resistance of person / shoe / floor system

ANSI/ESD STM 97.1

Test the resistance of the person / glove / Wristband system

ANSI/ESD SP 15.1

Compliance verification of ESD protection equipment and materials

ANSI/ESD TR53

SPECIFICATION


Surface Resistance/Resistivity Range

103-1012Ω / Resistivity:103-1012Ω/M2

Operating Temperature

40F-120F  (5℃-49℃)

Operating Humidity Range

5%-90%RH(Above 65%RH will affect the accuracy)

Display

LED indicator

Power Supply

9V,during time 40hours

Size

130mm*70mm*25mm

Accuracy

+/-10%

Repeatability± 5%

Weight

100g

DESCRIPTION


Indicator

Resistance

LED

103

=1kilohms(kilohms/sq)

Green LED

104

=10kilohms(kilohms/sq)

Green LED

105

=100kilohms(kilohms/sq)

Green LED

106 

=1megohm(kilohms/sq)

Yellow LED

107

=10megohms(kilohms/sq)

Yellow LED

108

=100megohms (kilohms/sq)

Yellow LED

109

=1,000megohms(kilohms/sq)

Yellow LED

1010

=10,000megohms(kilohms/sq)

Yellow LED

1011

=100,000megohms(kilohms/sq)

Yellow LED

1012

=1,000,000megohms(kilohms/sq)

Red LED

>1012

=Insulative

Red LED

103-105 = conductor

106-1010 = anti-static (ESD anti-static standard)

1011-1012 = insulator (power 12 fully insulated)

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