Insulation Resistance Meter ST2689 Demo Device

Highlights

• Capacitance leakage test function
• Insulation resistance test function
• Aluminum foil pressure and rise time test function
• Precise low current charge function (0.5mA±0.05mA)
• Large current (500mA) improves the charge speed of low voltage large capacitance
• Continuously adjust test voltage and real-time monitor the output voltage
• Test range from 0.001uA─20.00mA, 4 digit display
• Open correction (zero) to eliminate the remaining base number
• Built-in digit counter
• Comparator function to realize the sorting of PASS/FAIL
• 10 groups of status for save and load
• Standard RS232 interface, Handler interface, GPIB interface (option)
• Large LCD ( 240×64 dot-matrix )

Test methods

LC/IR test

• Test voltage: 1.0V ─ 800V
• ± 0.5% set value + 0.2V
• Charge current
  • Test voltage: ≤ 100V ,0.5mA - 500mA
  • Test voltage: >100V ,0.5mA - Imax
  • Imax=50W/test voltage
  • Accuracy: ± (3% set value + 0.05mA)
• Test range
  • LC: 0.001uA - 20.00mA
  • IR: 0.01kΩ - 99.99GΩ
• Basic accuracy: LC: ±(0.3%+0.05uA)
• Charge time upper limit: 0 - 999s manual
• Test time
  • FAST: 40ms / MED : 60ms / SLOW: 120ms
  • Test condition: range is locked, trigger mode is EXT and the external trigger voltage displays the closing state
• Limit setting
  • LC: 0 - 999.999mA
  • IR: 0 - 999.999GΩ
• Sorting: Pass, Fail

Withstanding voltage test

• Vf Rated voltage: 1.0V - 800V
• Charge current
  • 0.5mA - Imax
  • Imax = 65W/Vf
  • Accuracy: ±(3% set value+0.05mA)
• Charge time upper limit: 5s - 600s manual limit
• Pressure time: 30s - 600s manual

Technical data

• Parameter: LC, IR, Tr, Vt
• Range: AUTO, HOLD
• Trigger mode: INT/MAN/EXT/BUS
• Sorting: High,Low, Pass with beeper alarm
• Setting storage: 10 groups of status can be saved and loaded
• Communication interface: RS232, GPIB (option), SCPI command program supportable
• Working temperature: 0°C─40°C
• Humidity : 90%RH

What's in the box

• ST26003 2 terminal test fixture
• ST26004D 3 terminals test clip leads
• Operation manual
• Power cable
• Factory calibration