Fluke 115 - True-RMS 600V Handheld Multimeter | Fluke
MPN: FLUKE-115 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for FLUKE-115 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
FLUKE-114
β Drop-Inπ Reference alternative (not in catalog)
FLUKE-116
β Drop-Inπ Reference alternative (not in catalog)
FLUKE-117
β Drop-Inπ Reference alternative (not in catalog)
FLUKE-115 Maximum Ratings & Electrical Characteristics
| Product Type | Handheld True-RMS Digital Multimeter (DMM) |
| Display | 6000 count, 3.75 digit LCD with bar graph |
| Measurement Type | Auto True RMS |
| Basic Accuracy | 0.1% |
| Voltage Range | 600 mV to 600 V |
| Resistance Range | 0.1 Ohm to 40 MOhm |
| Current Measurement | Yes (AC/DC, true-rms) |
| Continuity Test | Yes |
| Diode Test | Yes |
| Min/Max/Average Recording | Yes |
| Backlight | Yes |
| Data Hold | Yes |
| Sleep Mode (Auto Power Off) | Yes |
| Accuracy Specification Conditions | 1 year after calibration, 18C to 28C, 0% to 90% RH |
| RoHS Status | Compliant |
FLUKE-115 standard Pin Configuration Guide
Complete pinout information for FLUKE-115 (standard package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for FLUKE-115.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
FLUKE-115 is suitable for 6 applications: Field Service Electrical Troubleshooting, Commercial Building Electrical Verification, Electronics Bench Testing, HVAC Control Circuit Testing, Facility Maintenance and Preventive Inspection, Education and Technical Training Labs.
Field Service Electrical Troubleshooting
The Fluke 115 was designed explicitly for field service technicians, combining true-RMS voltage and current measurement with a 600 V range that covers commercial distribution and control circuits. Its 0.1% basic accuracy and 6000-count display resolve small changes on 120 V and 240 V systems, while the one-handed compact housing speeds up panel and junction box work. Min/Max/Average recording captures intermittent sags during a service visit without continuous observation. The backlight supports dim electrical rooms, and the bar graph helps peak and null adjustments. Because accuracy is specified for one year after calibration at 18-28 C, fleet calibration programs keep field readings trustworthy.
Recommended
Commercial Building Electrical Verification
In commercial building commissioning and verification, the Fluke 115 measures 600 mV to 600 V AC/DC and resistance from 0.1 Ohm to 40 MOhm, covering receptacle verification, panel checks, and bonding/continuity tests. True-RMS conversion is essential here because modern loads (LED drivers, variable-frequency drives, switch-mode power supplies) draw distorted, non-sinusoidal current that average-responding meters misread; the 115 reports the true heating value. Continuity and diode functions verify protective earth paths and semiconductor health in control gear. The compact form factor fits a tool pouch for walkthroughs, and the 6000-count display plus bar graph speeds comparative readings across a distribution system.
Recommended
Electronics Bench Testing
For electronics work, the Fluke 115 adds capacitance measurement, frequency counting, and diode test to its true-RMS voltage platform, making it a practical first-line bench meter for assembly bring-up and rework verification. The 0.1% basic DC accuracy is adequate for verifying power supply rails, and the 40 MOhm resistance range supports insulation and leakage checks. Frequency measurement confirms oscillator and clock activity, while the diode test with continuity buzzer locates shorts on populated boards. The 6000-count 3.75-digit LCD resolves millivolt-level changes on low-voltage digital rails. Data hold frees the technician's hands when probing crowded PCBs under magnification.
Recommended
HVAC Control Circuit Testing
HVAC control circuits mix 24 VAC transformers, electronic control boards, and line-voltage components, and the Fluke 115 covers all of these with true-RMS AC voltage, current, resistance, continuity, and capacitance measurement. Capacitance testing identifies failed motor run and start capacitors, one of the most common HVAC failures, while diode test checks rectifiers in electronic fan controls. The 0.1% accuracy resolves thermostat signal drift, and Min/Max/Average captures contactor chatter or brownout events. Technicians who also need supply-air and coil temperatures should step up to the Fluke 116, which adds Type-K thermocouple input on the same true-RMS platform per the Fluke family datasheet.
Recommended
Facility Maintenance and Preventive Inspection
Facility maintenance teams use the Fluke 115 for periodic preventive inspections of panels, motors, and lighting circuits. True-RMS current measurement detects harmonic-rich motor loads that distort average-reading meters, and the resistance function finds degraded connections before they overheat. Sleep mode conserves battery life during long shifts, and the durable handheld housing survives daily transport. Because readings feed maintenance records, the one-year accuracy specification and scheduled calibration keep logged data defensible for trend analysis. The 600 V measurement ceiling covers most facility distribution, while the compact design allows use in congested motor control centers where a benchtop instrument cannot reach.
Recommended
Education and Technical Training Labs
The Fluke 115 is widely used in electrical and electronics training because it pairs professional true-RMS measurement with simple, one-handed operation that students learn quickly. The 6000-count display teaches resolution concepts, while diode, continuity, capacitance, and frequency functions support lab exercises on semiconductors, filters, and oscillators. The bar graph gives a visual analog of changing signals that helps learners connect numeric readings to circuit behavior. Ruggedness and backlight support shared classroom use, and family consistency (114/115/116/117) lets institutions standardize on one interface across course levels while scaling the function set to the curriculum.
Recommended
Recommended Products Summary
Engineering reference data for FLUKE-115 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | FLUKE-114 | FLUKE-116 | FLUKE-117 |
|---|---|---|---|---|
| Package / Form Factor | Compact handheld housing | Compact handheld housing - same family | Compact handheld housing - same family | Compact handheld housing - same family |
| Brand | Fluke | Fluke | Fluke | Fluke |
| Display | 6000 count, 3.75 digit, bar graph | 6000 count, 3.75 digit | 6000 count, 3.75 digit | 6000 count, 3.75 digit |
| True-RMS Measurement | Yes | Yes | Yes | Yes |
| Voltage Range | 600 mV to 600 V | 600 mV to 600 V | 600 mV to 600 V | 600 mV to 600 V |
| Capacitance Measurement | Yes | No | [DATA_NEEDED] | Yes |
| Temperature Measurement | No | No | Yes (Type-K thermocouple) | No |
| Non-Contact Voltage Detection / LoZ | No | No | No | Yes (VoltAlert + LoZ) |
| Min/Max/Average Recording | Yes | Yes | Yes | Yes |
Key Differentiators
- Electronics-oriented function set (vs FLUKE-114)
- True-RMS conversion at 6000-count resolution (vs Average-responding meters in the same price class)
- Trade-off: no temperature input (vs FLUKE-116)
Design Notes
Accuracy is only guaranteed for one year after calibration and only within 18 C to 28 C at 0% to 90% relative humidity, per the Fluke family specification sheet. Field readings taken in extreme heat, cold, or humidity, or on an overdue calibration interval, may exceed the 0.1% basic accuracy claim. Schedule annual calibration and log calibration dates for any measurements used in compliance or trend records.
Use true-RMS readings whenever the waveform is non-sinusoidal (VFD outputs, LED driver outputs, distorted control circuits). The Fluke 115's true-RMS converter reports the heating-equivalent value, whereas average-responding meters under- or over-read distorted waveforms. For waveform shape analysis, pair the 115 with an oscilloscope; the DMM quantifies magnitude while the scope reveals distortion and transients.
For intermittent faults, use Min/Max/Average mode instead of watching the display. The Fluke 115 records fluctuations continuously, catching sags and dropouts too brief to observe visually. For suspected ghost voltages on open circuits, remember the 115 lacks the LoZ mode of the Fluke 117 - verify with a known load or step up to the 117 when capacitive-coupled phantom readings are a risk.
Compliance Information
RoHS compliance listed per distributor product data (DigiKey FLUKE-115 listing notes RoHS details). Other compliance attributes not found in provided data.
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