The Fluke 116 is a True-RMS HVAC/R multimeter purpose-built for field troubleshooting of heating, ventilation, air conditioning, and refrigeration systems. It combines essential electrical measurements with integrated temperature sensing and microamp capability for flame sensor diagnostics. The meter’s compact ergonomic design enables one-handed operation, while its large white LED backlight ensures visibility in low-light service environments.
Technical Specifications
Electrical Measurements
• AC/DC Voltage: 600 V
• AC/DC Current: 600 µA
• Resistance: Up to 40 MΩ
• Capacitance: Up to 9999 µF
• Frequency: Up to 50 kHz (AC voltage), 5 kHz (AC current)
Temperature & Continuity
• Temperature Range: -40°C to 400°C (-40°F to 752°F) with integrated 80BK probe
• Continuity: Beeper activates at 250 Ω; detects opens or shorts of 500 µs or longer
Display & Processing
• 6,000-count digital display with 4/sec update rate
• 33-segment bar graph updating 32/sec
• True RMS measurement capability
• Low Input Impedance (LoZ) mode prevents false readings from ghost voltage
Mechanical & Safety
• Dimensions: 6.57 in (L) × 3.31 in (W) × 1.82 in (D)
• Weight: 1.2 lbs
• Safety Rating: CAT III 600 V
• Surge Protection: 6 kV peak per IEC 61010-1
• Ingress Protection: IP42
• Operating Temperature: 14°F to 122°F (-10°C to 50°C)
Power
• 9V alkaline battery (NEDA 1604A / IEC 6LR61) with 400-hour typical life (without backlight)
– Key Features
• Microamp measurement capability for flame sensor testing
• Integrated temperature probe eliminates accessory dependency
• Low Input Impedance mode for ghost voltage rejection
• 6 kV surge protection per IEC 61010-1 standard
• One-handed operation with optional ToolPak™ magnetic hanger support
– Typical Applications
• HVAC system diagnostics and commissioning
• Flame sensor voltage and current verification
• Refrigeration circuit troubleshooting
• Control circuit continuity and resistance verification
– Compatibility & Integration
The Fluke 116 accepts the optional Fluke ToolPak™ magnetic hanger for hands-free positioning. Standard accessories include TL75 test leads, a holster, and pre-installed 9V battery.


















