STB6683 Series Insulation Resistance Meter

STB6683 series insulation resistance meter is an intelligent measurement instrument that is used for rapid measurements on insulating properties. It is provided with sorting output and external single pulse signal input interface, making it easy for pipeline operation.

Applications: Ultra-High Value Resistors / Insulation resistance and leakage current of capacitors / Various dielectric insulating materials, equipment, wires and cables / Insulation testing from safety regulations

** Standard Lead Time: within 4 weeks **

Key Features

Insulation resistance test range: 100kΩ - 5TΩ/10TΩ

Test voltage range: 1-1000V, 1-500V

Test current charge: 10mA

Insulation resistance, leakage current dual display

Contact detection function for capacitive components

Programmable sequence test mode

4-bin comparison function: 3 bins for PASS, 1 bin for FAIL

20 setup files can be stored in the internal memory, support U-disk

24-bits, 4.3-inch and 4-wire touch LCD screen

Handler interface realizes on-line operation

Achieve remote control by RS232C and USB Device interface



Resistance Test Range

•  STB6683A: 100kΩ – 10TΩ

•  STB6683B: 100kΩ – 5TΩ

Resistance Test Accuracy

I>10nA: ±2%,  I≤10nA: ±5%

Test Voltage Range

•  STB6683A: 1 – 1000V

•  STB6683B: 1 – 500V

Test Voltage Accuracy

Voltage ≥10V: 1%±1V,  Voltage <10V: 10%±0.1V

Current Test Range

•   Range 1: 100uA – 1mA, internal input impedance 10kΩ

•   Range 2: 10uA – 100uA, internal input impedance 10kΩ

•   Range 3: 1uA – 10uA, internal input impedance 10kΩ

•   Range 4: 100nA – 1uA, internal input impedance 10kΩ

•   Range 5: 10nA – 100nA, internal input impedance 1MΩ

•   Range 6: 1nA – 10nA, internal input impedance 1MΩ

Current Test Accuracy

2% ± 3pA

Test Speed


Comparator Function

4 bins: 3 bins for PASS, 1 bin for FAIL


Rackmount: 215 (W) × 88 (H) × 335 (D) mm

Standard: 235 (W) × 105 (H) × 360 (D) mm



(Note: see more technical specifications in the ‘Resource’ – ‘Datasheet’)

Main Machine

Module No. Item Description
STB6683A Insulation Resistance Meter Test Range: 100kΩ-10TΩ, including 2-terminal test clip leads
STB6683B Insulation Resistance Meter Test Range: 100kΩ-5TΩ, including 2-terminal test clip leads

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