Description
Professional Voltage and Continuity Testing with Built-In Proving
TIS 851 LCD and LED Voltage and Continuity Tester
Test voltage and continuity with confidence using the TIS 851 LCD and LED Voltage and Continuity Tester. Designed for electricians and maintenance engineers, this compact tester combines clear LED indication with an LCD display for fast, practical fault finding on site.
The TIS 851 includes a built-in self-proving function, helping confirm correct LED operation before and after measurements. The manual states that touching the probes together and pressing the torch button activates the self-proving test, where all LEDs should light except the HI-V LED
Suitable for professional electrical work, the TIS 851 is built for Category III measurements in building installations. Its single-handed use design and built-in torch support safe, convenient testing in panels, plant rooms, distribution boards, and general electrical maintenance.
Key Features – TIS 851 LCD and LED Voltage and Continuity Tester
- LCD and LED voltage indication for clear test results
- Built-in self-proving checker for added confidence before and after testing
- Continuity testing function for fault finding and circuit checks
- Integrated torch button for improved visibility in low-light areas
- Designed for single-handed use
- Suitable for CAT III building installation measurements
Technical Overview – TIS 851 LCD and LED Voltage and Continuity Tester
- Product type: Voltage and continuity tester
- Display type: LCD and LED indication
- Self-proving test: Built-in LED proving function
- Safety category: CAT III for building installation measurements
- Battery warning: LEDs flash or switch off when battery voltage drops below 2.4V ±0.1V
- Operation: Two-probe tester with single-handed use support
- SKU code: TIS 851
Why Choose This Product?
Choose the TIS 851 when you need a dependable tester for everyday voltage checks, continuity testing, and electrical fault finding. Its built-in proving function helps verify tester operation on site, reducing the need for a separate proving unit during routine checks.
About TIS
TIS produces electrical testing equipment for trade and maintenance professionals. Their testers are designed to support safe working practices, accurate measurements, and practical site use across domestic, commercial, and industrial environments.
Guarantee & Compliance
Always follow the manufacturer’s instruction manual before use. The TIS 851 is intended for CAT III building installation measurements, and the self-proving test should be carried out before and after measurement. Do not use the instrument if abnormal operation is found during the self-proving test.
