Insulation Lutron DI6400 is a portable multi function measurement device menufactured by lutron electronic (often referenced as DL-6400 or DI-6400).
Features :
- Digital display, easy and correct read-out.
- Auto-range and multi-function for insulation measurement of 4/40/400/4000 MΩ ( 100 V, 250 V, 500 V, 1000 V ).
- Insulation measurement with auto discharge function, safety.
- Build in the ACV & DCV & OHMS measurement function.
- Precision 400 ohm & 4000 ohm auto-range easy for measuring low resistance such as motor windings, relay coils etc
- A continuity beeper is equipped in OHM range
- Data hold function to lock the current reading.
- Lock & Test functions offer worker’s safety and easy operation.
- 77 X 49 mm (1.06″ height) large LCD display.
- Battery operating easily to carry with user.
- LCD display allows clear read-out even at bright place.
- LSI-circuit provides high reliability and durability.
- Built-in over-input and low battery indication.
- Overload protection for each range.
- Automatic zero adjust & automatic circuit discharge.
- Durable & portable housing case with the front protective cover.
- RS-232 computer interface.
- Powered by AA DC 1.5V X 8 batteries.

General Specifications :
- Display : 27 mm (1.06″) LCD (Liquid Crystal Display), Max. indication : 6100 ( V ), 4200 ( MΩ ), 4200 ( Ω ).
- Measurement :
- Insulation : 4/40/400 MΩ /100 V, 4/40/400/4000 MΩ /250 V, 4/40/400/4000 MΩ /500 V, 4/40/400/4000 MΩ /1000 V.
- DCV : 600.0 V.
- ACV : 600.0 V.
- OHM : 400.0/4000 Ω
- Sampling Time : 0.4 second.
- 4000M ohm Respond Time : Max. approx. 4.0 second.
- Zero Adjustment : Automatic adjustment.
- Operating Temp. 0 to 50 ℃ ( 0 to 122 ℉ ).
- Operating Humidity : Less than 80% R.H.
- Power Supply 1.5V AA ( UM-3 ) battery x 8 PCs, Alkaline or heavy duty battery.
- Dimension : 225 x 125 x 64 mm (8.86 x 4.92 x 2.52 inch)
- Weight : 819 g / 1.80 LB (includes 8 PCs batteries).