1.What is the measure range (insul-resistance), at voltages (250/500/100V)? 2. What is the resolution of measured resistance at above ranges?

Dear Sir, Kindly refer your message, Voltage Range can measure : 250VDC (0.25MOhm to 400MOhm); 500VDC (0.5MOhm to 4GOhm); 1000VDC (1.5MOhm to 40GOhm) Regards Sunil Associates

how many test can be carried out by 1 set of new battery

Dear Sir, Kindly refer your message, in the instrument we provide AA 1.5V Alkaline battery which have much higher current capacity as compared to the normal battery. Also it depends upon the test you carry on your sample. If you do testing 5 to 10 min on one sample then the output will vary as compare to normal testing.

Is there any warranty on product .

Sir, it has 6 months warranty against manufacturing defects.

Can we use it for testing 11Kv or 33kV High tension line fault testing ?

Yes you can check the insulation of your sample.

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Sigma Instruments-Sg 1040 Battery Powered Digital Insulation Tester 500V/1000V Dc 40Gohm,Autorange-With Calibration Certificate

Sigma Instruments-Sg 1040 Battery Powered Digital Insulation Tester 500V/1000V Dc 40Gohm,Autorange-With Calibration Certificate

Product ID: 105191677

Details

Brand
Sigma
Colour
Black
Item Weight
920 Grams
Power Source
Battery
Style
Digital

⚡Test voltage up to 1000V DC with 40GΩ range

📊3999 counts high-res digital display

🔋Battery powered for ultimate portability

KD 27.00

Duties & taxes included

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Description

⚡ Stay ahead with precision—test smarter, not harder!

SMART AUTO RANGING - Automatically adjusts measurement range to deliver accurate readings without manual hassle.
CERTIFIED CONFIDENCE - Comes with a calibration certificate, guaranteeing professional-grade accuracy and compliance.
USER FRIENDLY DESIGN - Backlit jumbo LCD with 3999 counts and overload protection ensures clarity and durability in any environment.
POWERFUL TESTING RANGE - Supports 250V, 500V, and 1000V DC tests with a high driving current ≥15mA for reliable results every time.
PRECISION AT YOUR FINGERTIPS - Dual display shows voltage and insulation resistance simultaneously for instant insights.

The Sigma Instruments SG 1040 is a battery-powered digital insulation tester featuring a high-resolution 3999-count backlit display, autoranging capability, and overload protection. It measures insulation resistance up to 40GΩ at selectable voltages of 250V, 500V, and 1000V DC with a driving current ≥15mA. Dual display functionality and a calibration certificate make it a reliable, professional tool for electrical testing on the go.

Specifications

ASIN	B01DO3CDMM
Best Sellers Rank	#107,098 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #109 in Insulation Resistance Meters
Brand Name	Sigma Instruments
Colour	Black
Country of Origin	China
Customer Reviews	3.4 3.4 out of 5 stars (45)
Included Components	Digital Insulation Tester
Item Dimensions	7.4 x 18.8 x 20.2 Centimeters
Item Weight	920 Grams
Manufacturer	Sunil Associates, Sunil Associates, Ashoka Place, Main Road ,Opp. Metro Piller No 211, 23 West Patel Nagar , New Delhi 110008 ; +91 7042836466
Manufacturer Contact Information	Sunil Associates, Ashoka Place, Main Road ,Opp. Metro Piller No 211, 23 West Patel Nagar , New Delhi 110008 ; +91 7042836466
Measurement Type	Multimeter
Minimum Operating Voltage	250 Volts (DC)
Model Number	insu_1
Number of Items	1
Packer Contact Information	Eagle Network Supply Pvt. Ltd. , Khasra No. 399 Delhi - 110030 ; +91 1143528338
Part Number	insu_1
Power Source Type	Battery Powered
Style Name	Digital
Unit Count	1 Count

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