The Fluke 12 is a compact, reliable digital multimeter from the Fluke 10 Series, featuring VChek™ automatic measurement selection, capacitance measurement, min/max recording with relative elapsed time, and a 4000-count digital display. Built for electrical troubleshooting, it provides automatic AC/DC voltage selection and manual/automatic ranging.
Specifications
General
| Parameter | Value |
|---|---|
| Display | 4000-count LCD |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 9 V battery (NEDA 1604, 6F22, or 006P) |
| Operating Temperature | -10 °C to 50 °C |
| Dimensions (W×H×D) | 70.5 mm × 142.3 mm × 34.6 mm |
DC Voltage Measurement
| Parameter | Value |
|---|---|
| DC Voltage Range | 4.000 V / 40.00 V / 400.0 V / 600 V |
| DC Voltage Best Resolution | 1 mV |
| DC Voltage Best Accuracy | ±(0.9% + 1) |
| Overload Protection (DC) | 600 V rms |
AC Voltage Measurement
| Parameter | Value |
|---|---|
| AC Voltage Range | 4.000 V / 40.00 V / 400.0 V / 600 V |
| AC Voltage Best Resolution | 1 mV |
| AC Voltage Best Accuracy | ±(1.9% + 3) |
| Measurement Type | Average responding, RMS calibrated |
| Overload Protection (AC) | 600 V rms |
Resistance Measurement
| Parameter | Value |
|---|---|
| Resistance Range | 400.0 Ω / 4.000 kΩ / 40.00 kΩ / 400.0 kΩ / 4.000 MΩ / 40.00 MΩ |
| Resistance Best Resolution | 0.1 Ω |
| Resistance Best Accuracy | ±(0.9% + 1) |
| Overload Protection (Resistance) | 600 V rms |
Continuity and Diode Testing
| Parameter | Value |
|---|---|
| Diode Test Range | 2.000 V |
| Diode Test Resolution | 1 mV |
| Overload Protection (Continuity & Diode) | 600 V rms |
Capacitance Measurement
| Parameter | Value |
|---|---|
| Capacitance Range | 1.000 µF / 10.00 µF / 100.0 µF / 1000 µF / 10,000 µF |
| Capacitance Best Resolution | 0.001 µF |
| Capacitance Best Accuracy | ±(1.9% + 2) |
| Overload Protection (Capacitance) | 600 V rms |
Special Functions and Modes
| Parameter | Value |
|---|---|
| Automatic Volts/Ohms Selection | VChek™ automatic measurement selection |
| Ranging Modes | Manual and automatic ranging |
| Min/Max Recording | Records highest and lowest voltage readings over 100 hours |
| Relative Time Stamp | Displays elapsed time since recording started up to 100 hours |
| Sleep Mode (Auto Power Off) | Powers down after 45 minutes of inactivity |
Safety and Compliance
| Parameter | Value |
|---|---|
| Maximum Working Voltage | 600 V AC/DC between any terminal and earth ground |
| Agency Approvals & Certifications | ANSI/ISA-S82.01-1994, CSA C22.2 No. 1010.1-92, EN61010-1:1993 |
Physical and Mechanical Specifications
| Parameter | Value |
|---|---|
| Display Update Rate | 4 times per second |
Power Requirements and Environmental Limits
| Parameter | Value |
|---|---|
| Battery Life | 650 hours typical with alkaline battery |
| Storage Temperature Range | -30 °C to 60 °C |
| Operating Humidity Range | 0% to 90% (0 °C to 35 °C), 0% to 70% (35 °C to 50 °C) |
| Temperature Coefficient | 0.1 × (specified accuracy) per °C (< 18 °C or > 28 °C) |
| Operating Altitude | Up to 2000 m |
Performance
| Parameter | Value |
|---|---|
| Continuity Capture Minimum Pulse Width | 250 µs |
| VChek Voltage Switch Threshold | Approximately 4.5 V AC/DC |
Resistance
| Parameter | Value |
|---|---|
| Resistance Mode Open Circuit Voltage | < 1.3 V DC (< 1.5 V DC on 40 MΩ range) |
| Resistance Mode Full Scale Voltage | < 450 mV (up to 4 MΩ), < 1.3 V (40 MΩ) |
| Resistance Mode Short Circuit Current | < 500 µA |
Maintenance
| Parameter | Value |
|---|---|
| Recommended Calibration Interval | 1 year |
Environmental
| Parameter | Value |
|---|---|
| Storage Altitude | 12000 m |
Safety & Compliance
| Parameter | Value |
|---|---|
| Pollution Degree | 2 |
| Rated Transient Overvoltage | 6 kV peak |
Technology
Digital Multimeter
Applications
Electrical testing, troubleshooting, and general-purpose maintenance