英国Megger MIT2500多功能绝缘电阻测试仪 2500V电子摇表，2.5kV电动兆欧表测试线，现货，低价促销

英国Megger MIT2500多功能绝缘电阻测试仪 2500V电子摇表，2.5kV电动兆欧表测试线，现货，顺丰包邮

MIT2500  CAT IV Insulation testers

■ ■Insulation testing up to 2.5 kV (New) and 200 GΩ range in a hand held instrument
■ ■  terminal for high resistance accuracy (New)
■ ■ Adjustable insulation test voltage from 50 V to 2500 V (New)
■ ■ Stabilised insulation test voltage (New)
■ ■ Rechargeable options for mains and car charging (New)
■ ■ Single range, faster continuity testing from 0.01 Ω to 1 MΩ (New)
■ ■ Polarisation Index (PI) & Dielectric Absorption Ratio (DAR)
■ ■ CAT IV 600 V applications
DESCRIPTION
The MIT2500 insulation and continuity tester has been designed for Electrical and Industrial test applications, where operation voltages exceed 1000 V and higher insulation test voltages are needed.The MIT2500 offers both fixed range voltages of 50 V, 100V,250 V, 500 V, 1000 V and 2500 V, as well as a variable range that allows any voltage between 50 V and 2500 V to be “dialled in”.This is supported by the new test voltage feedback control, which maintains the output test voltage to within 2% of the selected range, even when under test.
The MIT2500 uses the redesigned case, back-stand, and 6 cell battery compartment, as well as incorporating a  terminal to reduce surface tracking currents that reduce accuracy at higher voltages.
All instruments are over-moulded for increased protection and achieve an IP54 weatherproof rating

FEATURES INCLUDE:
■ ■ Test voltages (New)
- 50 V, 100 V, 250 V, 500 V, 1000 V, and 2500 V
■ ■ 2.5 kV Silicone test leads (New)
- Purpose designed high 2.5 kV silicone test leads are included as
well as standard 1000 V CAT III / 600 V CAT IV general purpose
test leads.
■ ■ Variable test voltage (New)
- Adjustable test voltage from 50 V to 999 V in 1 V steps,
1000 V to 2500 V in 10 V steps
■ ■ 2% Test voltage accuracy
- The output test voltage is maintained within the tolerance of
-0% +2% +2 V
■ ■ Stabilised test voltage
- The voltage is feedback controlled to ensure it remains within
specification throughout the full test range
■ ■ Test voltage display (New)
- The actual test voltage is displayed on the smaller digital
readout, with the measurement on the larger digital display.
■ ■ Measurement range displayed
– The range voltage is displayed during selection.
■ ■ Measurement voltage display (New)
- The measurement voltage is displayed during the test.
■ ■ Analogue arc
- The display also features an analogue arc to replicate the
response of a moving coil display.
■ ■ PI and DAR
- Automatic Polarisation Index (PI) and Dielectric Absorption Ratio
(DAR) functions. Polarisation Index (PI):10 min / 1 minute ratio
Dielectric Absorption Ratio (DAR): 60 sec / 30 sec ratio
■ Timed testing
- Automatically test to a time limit.
■ ■ 200 GΩ range
- Insulation testing up to 200 GΩ at ≥1000 V.
■ ■ Test inhibit
- prevents testing if voltages in excess of 25, 30, 50, 75 or 100 V
(set by the user) are detected when making insulation tests.
Default is 50 V.
■ ■ Insulation buzzer
- The buzzer can be set to sound if the insulation resistance is
above a user adjustable limit, configurable in the Setup menu.
■ ■ Test Lock
- Holds insulation test on continuously.
Test ranges extend from 10 GΩ to 200 GΩ depending on test
voltage as below:
■ ■ 50 Volts 10 GΩ
■ ■ 100 Volts  20 GΩ
■ ■ 250 Volts  50 GΩ
■ ■ 500 Volts  100 GΩ
■ ■ 1000 Volts  200 GΩ
■ ■ 2500 Volts  200 GΩ
CONTINUITY (RESISTANCE) TESTING
■ ■ Single resistance range (New)
- One range fully automatic from 0.01 Ω to 1.0 MΩ.
■ ■ Auto test current selection
- Automatically uses the preferred test current for the load
resistance under test.
■ ■ Bi-directional testing (New)
- Option for automatic bi-directional testing without reconnecting
leads.
■ ■ Fast response time (New)
- Response time on contact buzzer has been reduced
■ ■ 200 mA or 20 mA
- Either 200 mA or 20 mA continuity test currents are available.
20 mA test current will considerably increase battery life.
■ ■ Lead null
- Lead resistance compensation (NULL) operates up to 10 Ω of
resistance.
■ ■ Buzzer - ON/OFF selected by simple push button.
■ ■ Buzzer limit
- Continuity buzzer limit alarm provides adjustment of the
maximum resistance the continuity buzzer sounds. This is
adjustable from 1 Ω to 200 Ω in 12 steps.
■ ■ Display PASS/FAIL (✓/✖) warnings (New)
- For use where buzzer indication may be disruptive.