Milliohm Micro Ohm Meter Insulation Tester Resistance Test Equipment Digital High Voltage Insulation Tester 5000V Megohmeter Insulation Resistance Meter

• Customization: Available
• After-sales Service: Yes
• Warranty: 1 Year
• Model NO.: DGM3125
• Display Type: Digital Only
• Certification: CE
• Customized: Non-Customized
• Rated Voltage: 100V, 250V, 500V, 1000V, 2500V, 5000V
• Measuring Voltage: Rated Voltage ×(1±10%)
• Insulation Resistance Range: 0.01mΩ~1000gΩ
• Insulation Resistance Resolution: 0.01mΩ
• DC Voltage Range: 0~1000V
• DC Voltage Resolution: 0.1V
• AC Voltage Range: 0~750V
• AC Voltage Resolution: 0.1V
• Output Short-Circuit Current: ≥5mA(5kv)
• Measurement of Absorption Ratio: Yes
• Measurement of Polarization Index: Yes
• Power Supply: 12V Rechargerable Battery
• Withstand Voltage: AC3kv/50Hz 1min
• Working Temperature and Humidity: -10ºC~+50ºC<85%Rh
• Storage Temperature and Humidity: -15ºC~+55ºC<90%Rh
• Transport Package: Wooden Box with Foam Inside
• Trademark: HDGK
• Origin: Hubei, China(Mainland)
• HS Code: 9030332000
• Production Capacity: 500/Month
• Package Size: 25.80cm * 21.50cm * 8.30cm
• Package Gross Weight: 3.500kg

Product Description

DGM3125 Insulation Resistance Tester

Overview
This multimeter features a large-screen display, data storage, and data retrieval functions. It also measures DC/AC voltage, dielectric absorption ratio (DAR), and polarization index (PI). With a wide measuring range, high resolution, easy operation, stable performance, and strong anti-interference capability, it is suitable for measuring the resistance of various insulating materials, as well as the insulation resistance of transformers, motors, cables, and electrical equipment.

Features
·Large-screen LCD with synchronized analog-style pointer and digital display
·Multi-range voltage testing: 500V, 1000V, 2500V, 5000V
·Automatic calculation of Absorption Ratio (DAR) and Polarization Index (PI)
·Resistance measurement range: 0-1000GΩ
 

 Technical Parameter

Item	Parameters
Function	Insulation resistance test, Voltage test
Reference Condition	23ºC±5ºC, ≤75%RH
Rated Voltage (V)	100; 250; 500; 1000; 2500; 5000
Measuring Voltage (V)	Rated voltage × (1±10%)
Insulation Resistance Range	0.01MΩ-1000GΩ
Insulation Resolution	0.01MΩ
DC Voltage Range	0-1000V
DC Voltage Resolution	0.1V
AC Voltage Range	0-750V
AC Voltage Resolution	0.1V
Output Short-circuit Current	≥5mA (5kV)
DAR/PI Measurement	Supported
Power Supply	12V rechargeable battery
Backlight	Controllable gray-white backlight (for low-light environments)
Display	4-digit large LCD (108mm×65mm) with gray-white backlight
USB Interface	Data upload to PC, storage/printing via software
Communication Cable	USB cable ×1
Test Leads	Red HV probe (3m), Black HV test lead (1.5m), Green lead (1.5m)
Data Storage	500 groups; "FULL" indicates full storage
Data Review	"READ" symbol displayed
Overrange	"OL" symbol displayed
Alarm Function	Audible alarm when exceeding preset value
Power Consumption	Standby: ≤30mA (backlight off) Backlight on: ≤42mA Measurement: ≤300mA (backlight off)
Auto Power-off	15 minutes (inactive)
Insulation Resistance	≥50MΩ (between circuit and enclosure)
Dielectric Strength	AC 3kV/50Hz 1min
Operating Temp/Humidity	-10ºC to +50ºC, ≤85%RH
Storage Temp/Humidity	-15ºC to +55ºC, ≤90%RH
Compliance	IEC 61010-1, IEC 61010-2-31, IEC 61557-1/5, IEC 60529 (IP54), Pollution Degree 2, CAT III 300V

 

Main Product

Company Profile

     Wuhan Huadian High-tech Electrical Equipment Co.,Ltd(Huadian Hi-Tech), established in 2007, is specialized in R&D, production, sales, and technical services for high-voltage test equipment, power metering instrument and transformer substation detection system, while delivering professional comprehensive one-stop electrical testing solutions.
    Our core business spans ten product lines, including series resonance test system, circuit breaker test equipment, transformer test equipment, high-voltage test equipment, relay protection test devices, secondary circuit test equipment, cable/surge arrester test equipment, grounding/insulation test equipment, power metering test equipment, oil/SF₆ detection equipment. With continuous innovation, we own proprietary patented technologies and multiple utility model patents. All products strictly comply with international/national standards and industry regulations, certified by national/provincial/municipal power authorities, and fully meet ISO 9001 Quality Management System requirements.
    Our products serve more than 30 industries including energy, railways, petrochemicals, and environmental protection. Our service network covers China and extends to international markets like India, Pakistan, and Africa. As an integrated high-tech enterprise, we uphold the principle of "Precision Engineering, Quality First" combining advanced R&D, precision manufacturing, and technical services to provide safe, reliable, and intelligent testing solutions.

Our Advantages

Certifications

Partners

Service System&Shipping

FAQ

1.When can l get the price?
We usually quote within 6 hours after we get your inquiry. If you are very urgent to get price, please call us or tell us in your email so that we will regard your inquiry priority.

2.Whether the products can be customized?What about the leading time for production?Whether they can be customized?
After the goods have been ordered, we can be made to order according to the special requirements of customers by using the latest technology.
Honestly, it depends on the order quantity and the product. Usually our leading time is 7 working days after order confirmed. 

3.What is your terms of delivery?
We accept EXW, FOB, CFR, ClF, ect. You can choose the one which is the most convenient and cost effective for you.

4.How much will be the shipping cost and time?
This will depend on the size of your goods and the method of shipping (by sea/ by air/by Express) and your designated port or air port, We will be grateful if you can spare us some minutes to help us since it will enable us to evaluate the cost based on the information provided.

5.Could you please tell me the Warranty Period of your product?
Our warranty period is one year free and lifelong maintenance, and if the product we sell is damaged (if not man-made damage), in the first year, we will send free parts for replacement. Over the warranty, maintenance is paid service.

6.What kind of Certificate can you provide?
We can provide the CE mark, lSO 9001 quality certificate,the third party calibration certificate(CNAS), factory test report.

7.Do you have Technical Backup to all customers from different countries?
To be surely, our technical support is always available and quick response. We are manufacturer of so much on site testing experience and understand how to deal with your problems.Moreover, our engineers can go to your country to support if need.

8.How long is the offer valid?
30 days.

9.How can I supplement the vulnerable and consumable parts? What should I do with some broken parts?
If such a situation occurs, please contact us in time, we can provide vulnerable and consumable parts and spare parts supplement, and only charge the cost.

10.What is your terms of payment ?
Payment<=1000USD, 100% in advance.