The Digital Insulation Resistance Tester has safe configuration and improved electro-circuit. It is one new item with more functions, higher precision, and easier operation. It" s also one quake-proof, dust-proof and damp-proof tester for outdoor use.<br><br>Features:<br>Capability: Can do the test at several test voltages: 100V, 250V, 500V, 1000V; voltage below AC750V can be tested; with resistance measurement ranging from 1 M Ohm to 20 G Ohm .<br>Practical Function: Auto switch the range when measuring resistance; data hold feature; low battery reminder and high voltage indicator.<br>Large LCD Display: Equipped with a 3 1/2 digits big LCD display with max value 1999, easy to read.<br>Safe to Use: Rugged housing is dust-proof and damp-proof; strong load capacity with output short-circuit current about 1.0mA; protective circuit prevents damage from voltage shock.<br>User-Friendly: Turn the rotary switch to select voltage; comes with test leads, alligator clips, and a kickstand on the back.<br>Wide Application: This tester can be applied in all kinds of electric equipment and insulation materials such as transformer, electromotor, cable, switch, appliance, etc.<br><br>Specifications:<br>Material: ABS<br>Color: Red<br>Size of LCD: 68*44mm / 2.67*1.73in<br>Power Supply: 6 * 1.5V AA battery (Not Included)<br>Working Temperature: 0~40 celsius <br>Relative Humidity: less than 80percent <br>Safety Level: CAT-II 1000V and CAT-III 600V<br>Item Size: 205 * 90 * 55mm / 8.07 * 3.54 * 2.16in<br>Item Weight: 450g / 15.87oz<br>Package Weight: 774g / 27.3oz<br>Package Size: 23.2 * 16.2 * 7cm / 9.13 * 6.37 * 2.75in<br>Technique Index:<br>Test rated voltage: 100V, 250V, 500V, 1000V<br>Output voltage: 90percent ~110percent of the test rated voltage<br>Resistance?<br>? Measurement range: 1 M Ohm ~ 20 G Ohm <br>? Resolution: 0.01 M Ohm <br>? Accuracy:<br>? 1 M Ohm ~ 200 M Ohm : +/-(3percent of the reading + 5 significant digits)<br>? 200 M Ohm ~ 10 G Ohm : +/-(5percent of the reading + 5 significant digits)<br>? 10 G Ohm ~ 20 G Ohm : +/-(10percent of the reading + 5 significant digits)<br>AC voltage<br>? Measurement range: 1V ~ 750V<br>? Resolution: 1V<br>? Accuracy: +/-(2percent of the reading + 5 significant digits)<br>Frequency Response: 40Hz ~ 400Hz<br>Packing List:<br>1 * Insulation Tester<br>1 * Storage Bag<br>1 * Test Leads(pair)<br>1 * Probe Clips(pair)<br>1 * User Manual (English)<br><br>Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store