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Features & Details
⚡ MULTI-VOLTAGE
Provides multiple test voltages ranging from 100V up to 1000V. You can accurately measure AC voltage and test low resistance easily.
📊 AUTO RANGING
Features a precise 2000-count display with automatic ranging. The bright LCD backlight ensures crystal-clear readability in dark spaces.
🛡️ CAT III SAFETY
Meets strict CAT III 600V safety standards. The device includes visual light indicators and loud audio buzzers for overload warnings.
🏭 AUTO DISCHARGE
Confidently check generators and power cables. The automatic discharge function safely protects users from dangerous residual currents.
About this item
| Basic Function | Range | Accuracy | |
|---|---|---|---|
| Brand | UNI-T® | ||
| Insulation Resistance (Ω) | Output Voltage | 100V/250V/500V/1000V | 0%~10% |
| 100V | 0.00MΩ~100MΩ | ±(3%+5) | |
| 250V | 0.00MΩ~99.9MΩ | ±(3%+5) | |
| 100MΩ~5.5GΩ | ±(5%+5) | ||
| 500V | 0.00MΩ~99.9MΩ | ±(3%+5) | |
| 100MΩ~5.5GΩ | ±(5%+5) | ||
| 1000V | 0.00MΩ~99.9MΩ | ±(3%+5) | |
| 100MΩ~5.5GΩ | ±(5%+5) | ||
| Test Current | 50V(R=50KΩ) 1mA | 0%~10% | |
| 100V(R=100KΩ) 1mA | 0%~10% | ||
| 250V(R=250KΩ) 1mA | 0%~10% | ||
| 500V(R=500KΩ) 1mA | 0%~10% | ||
| 1000V(R=1MΩ) 1mA | 0%~10% | ||
| Short-circuit Current | <2mA | ||
| AC Voltage (V) | 30V~750V | ±(2%+3) | |
| Max Display | 1999 | ||
| Auto Range | ✓ | ||
| Low Battery Indication | ✓ | ||
| LCD Backlight | ✓ | ||
| Light Alarm | ✓ | ||
| Buzzer Alarm | ✓ | ||
| High Voltage Indication | ✓ | ||
| Overload Indication | ✓ | ||
| Auto Discharge | ✓ | ||
| Test Voltage Display | ✓ | ||
| Power Supply | 1.5V Alkaline Battery (AA) × 6 | ||
| Standard Accessories | Batteries, Probes, Alligator clips, Test leads, Cloth bag, Shoulder strap | ||
Industrial Insulation Diagnostics
Checking high-voltage equipment blindly is extremely dangerous. Damaged wire insulation causes catastrophic factory fires quickly. To prevent this, electrical professionals demand a reliable 1000V digital megohmmeter for daily maintenance. The UNI-T UT501A measures resistance across heavy industrial equipment safely. You can detect electrical faults before severe damage occurs. Are you upgrading your facility’s safety toolkits? Please explore our full Electrical Tester Meter category today. You will find the safest diagnostic gear for your engineering team.
⚡ Selectable Test Voltages
Safety and precision define this measuring instrument perfectly. The device provides multiple test voltages natively. You can select 100V, 250V, 500V, or 1000V easily. This lets you test transformers and high-voltage motors efficiently. It handles heavy power cables without blowing internal fuses.
🛡️ Auto Discharge Safety
Testing huge motors builds up deadly residual charges. Touching the wires afterward causes severe shocks. The UT501A features an automatic discharge function. It bleeds off dangerous residual currents safely after every test. Also, it includes visual light indicators and loud buzzer alarms for overload warnings.
📊 2000-Count Display
Clear data visualization improves your workflow efficiency heavily. The tool boasts a 2000-count display securely. It includes a smart automatic ranging feature. The bright LCD backlight allows you to read measurements clearly. You can work in dark factory basements without needing a flashlight.
🔌 AC Voltage Testing
This device is not just for insulation resistance. It also measures AC voltage from 30V to 750V seamlessly. When you order this equipment, you receive a complete testing kit. The package includes professional test leads and secure alligator clips natively. It comes ready for heavy-duty field work.
Engineers rely on the megohmmeter principle to verify cable integrity safely. A professional 1000V digital megohmmeter prevents factory downtime effectively. Global electrical committees demand strict safety ratings for these tools. You can review the official IEC electrical testing standards to understand CAT III requirements. Equip your facility with this reliable testing hardware today.
Related products:
UT502C 20 GΩ megohmmeter
Product guides and documents
UT501A User Manual (PDF)FAQs
Q1: What is the maximum insulation resistance this device can measure?
Answer: The UT501A measures insulation resistance up to 5GΩ at higher test voltages. Specifically, it achieves this using the 250V, 500V, or 1000V test settings. Therefore, it easily handles heavy-duty industrial applications.
Q2: Can I use this tester in dark or low-light environments?
Answer: Yes, you certainly can. The device features a bright LCD backlight for clear visibility. Consequently, you can comfortably read all diagnostic data in dimly lit basements or dark industrial facilities.
Q3: How does the auto-discharge function protect the user?
Answer: The auto-discharge feature automatically releases stored electrical energy after a test completes. As a result, it prevents accidental electrical shocks from residual voltage. Ultimately, this ensures maximum safety for all technicians.
Q4: Does the UT501A provide warnings for overload conditions?
Answer: It absolutely does provide safety warnings. The instrument includes both visual light indicators and audible buzzer alarms. Furthermore, it displays high-voltage alerts on the screen to prevent equipment damage instantly.
UNI-T UT501A Insulation Tester (1000V Digital Megohmmeter)
Original price was: $95.00.$82.99Current price is: $82.99.
6–12 Month Warranty
Repair & Refund support available for most products.
Free Worldwide Shipping
Ships within 3 business days.
Taxes & Duties
Buyer responsible for local import fees.
24/7 After-Sales Support
Technical assistance & video guidance within 24h.
UNI-T UT501A Insulation Tester (1000V Digital Megohmmeter)
Sale!
Original price was: $95.00.$82.99Current price is: $82.99.
Features & Details
⚡ MULTI-VOLTAGE
Provides multiple test voltages ranging from 100V up to 1000V. You can accurately measure AC voltage and test low resistance easily.
📊 AUTO RANGING
Features a precise 2000-count display with automatic ranging. The bright LCD backlight ensures crystal-clear readability in dark spaces.
🛡️ CAT III SAFETY
Meets strict CAT III 600V safety standards. The device includes visual light indicators and loud audio buzzers for overload warnings.
🏭 AUTO DISCHARGE
Confidently check generators and power cables. The automatic discharge function safely protects users from dangerous residual currents.
| Basic Function | Range | Accuracy | |
|---|---|---|---|
| Brand | UNI-T® | ||
| Insulation Resistance (Ω) | Output Voltage | 100V/250V/500V/1000V | 0%~10% |
| 100V | 0.00MΩ~100MΩ | ±(3%+5) | |
| 250V | 0.00MΩ~99.9MΩ | ±(3%+5) | |
| 100MΩ~5.5GΩ | ±(5%+5) | ||
| 500V | 0.00MΩ~99.9MΩ | ±(3%+5) | |
| 100MΩ~5.5GΩ | ±(5%+5) | ||
| 1000V | 0.00MΩ~99.9MΩ | ±(3%+5) | |
| 100MΩ~5.5GΩ | ±(5%+5) | ||
| Test Current | 50V(R=50KΩ) 1mA | 0%~10% | |
| 100V(R=100KΩ) 1mA | 0%~10% | ||
| 250V(R=250KΩ) 1mA | 0%~10% | ||
| 500V(R=500KΩ) 1mA | 0%~10% | ||
| 1000V(R=1MΩ) 1mA | 0%~10% | ||
| Short-circuit Current | <2mA | ||
| AC Voltage (V) | 30V~750V | ±(2%+3) | |
| Max Display | 1999 | ||
| Auto Range | ✓ | ||
| Low Battery Indication | ✓ | ||
| LCD Backlight | ✓ | ||
| Light Alarm | ✓ | ||
| Buzzer Alarm | ✓ | ||
| High Voltage Indication | ✓ | ||
| Overload Indication | ✓ | ||
| Auto Discharge | ✓ | ||
| Test Voltage Display | ✓ | ||
| Power Supply | 1.5V Alkaline Battery (AA) × 6 | ||
| Standard Accessories | Batteries, Probes, Alligator clips, Test leads, Cloth bag, Shoulder strap | ||
Industrial Insulation Diagnostics
Checking high-voltage equipment blindly is extremely dangerous. Damaged wire insulation causes catastrophic factory fires quickly. To prevent this, electrical professionals demand a reliable 1000V digital megohmmeter for daily maintenance. The UNI-T UT501A measures resistance across heavy industrial equipment safely. You can detect electrical faults before severe damage occurs. Are you upgrading your facility’s safety toolkits? Please explore our full Electrical Tester Meter category today. You will find the safest diagnostic gear for your engineering team.
⚡ Selectable Test Voltages
Safety and precision define this measuring instrument perfectly. The device provides multiple test voltages natively. You can select 100V, 250V, 500V, or 1000V easily. This lets you test transformers and high-voltage motors efficiently. It handles heavy power cables without blowing internal fuses.
🛡️ Auto Discharge Safety
Testing huge motors builds up deadly residual charges. Touching the wires afterward causes severe shocks. The UT501A features an automatic discharge function. It bleeds off dangerous residual currents safely after every test. Also, it includes visual light indicators and loud buzzer alarms for overload warnings.
📊 2000-Count Display
Clear data visualization improves your workflow efficiency heavily. The tool boasts a 2000-count display securely. It includes a smart automatic ranging feature. The bright LCD backlight allows you to read measurements clearly. You can work in dark factory basements without needing a flashlight.
🔌 AC Voltage Testing
This device is not just for insulation resistance. It also measures AC voltage from 30V to 750V seamlessly. When you order this equipment, you receive a complete testing kit. The package includes professional test leads and secure alligator clips natively. It comes ready for heavy-duty field work.
Engineers rely on the megohmmeter principle to verify cable integrity safely. A professional 1000V digital megohmmeter prevents factory downtime effectively. Global electrical committees demand strict safety ratings for these tools. You can review the official IEC electrical testing standards to understand CAT III requirements. Equip your facility with this reliable testing hardware today.
Related products:
UT502C 20 GΩ megohmmeter
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