Fluke 116 HVAC Multimeter
The Fluke 116 HVAC Multimeter is a professional True RMS digital multimeter designed specifically for heating, ventilation and air conditioning (HVAC) engineers. Featuring a built-in thermometer, microamp measurement for flame sensor testing and low input impedance (LoZ) technology, it provides the specialist functions needed to diagnose and maintain HVAC systems quickly and accurately. It also measures voltage, resistance, continuity, frequency and capacitance, making it an essential tool for everyday HVAC servicing and fault finding.
Key Benefits
- True RMS measurements for accurate readings on non-linear loads
- Built-in thermometer measuring from -40°C to +400°C
- Microamp measurement for flame sensor testing
- Low input impedance (LoZ) helps eliminate ghost voltage readings
- Measures AC/DC voltage, resistance, continuity, frequency and capacitance
- Min/Max/Average recording to capture fluctuating signals
- Large white LED backlit display for improved visibility in low-light environments
- Compact ergonomic design for comfortable one-handed operation
- Compatible with the optional ToolPak™ magnetic hanger for hands-free working
- CAT III 600 V safety rated for professional electrical testing
Common Applications
The Fluke 116 is ideal for a wide range of HVAC testing and maintenance tasks, including:
- Heating and boiler servicing
- Air conditioning installation and maintenance
- Refrigeration system diagnostics
- Flame sensor testing
- HVAC control circuit troubleshooting
- Temperature measurement
- Preventative maintenance inspections
- General electrical testing within HVAC systems
Why Choose This Model?
The Fluke 116 is purpose-built for HVAC professionals, combining specialist features such as a built-in thermometer and microamp measurement with the accuracy and durability expected from a Fluke True RMS multimeter. Its LoZ function helps eliminate ghost voltage readings, while its compact design and clear backlit display make it ideal for everyday servicing, fault finding and preventative maintenance on heating, ventilation and air conditioning systems.







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