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FLIR’s DM64 HVAC TRMS Digital Multimeter with Temperature is essential for professionals who install, inspect and maintain HVAC systems. It features microamp measurement to test flame sensors, LoZ mode, the ability to measure capacitance and frequency along with having a Type K thermocouple input for temperature measurement.
| Measurement | DM64 | |
| True RMS | Yes | |
| Range | Basic Accuracy | |
| AC / DC Volts | 600.0 V | ±1% / 0.4% |
| AC / DC mVolt | 600.0 mV | ±1% / 0.4% |
| VFD AC Volts | 600.0 V RMS | ±1% |
| AC / DC LoZ V | 600.0 V | ±2.0% |
| AC / DC Amps | 10.00 A | ±1.5% / 1.0% |
| AC / DC mAmps | 600.00 mA | ±1.0% / 0.7% |
| AC / DC μAmps | 6000 μA | ±1.5% / 1.0% |
| Resistance | 60.00 MΩ | ±0.9% |
| Capacitance | 2000 μF | ±1.5% |
| Diode Test | 3.000 V | ±0.9% |
| Frequency Counter | 5.00 kHz | ±0.1% |
| Temperature, Type-K Thermocouple | -40.0 to 752.0°F -40.0 to 400.0°C | ±1.0% + 2°F ±1.0% + 1°C |
| Additional Measurements | ||
| Continuity Check | 30 Ω and 480 Ω | |
| Measuring Rate | 5 samples per second | |
| Min/Max/Avg | Yes | |
| Relative Mode | Yes | |
| LoZ Mode | Yes | |
| Non-Contact Voltage Detection (NCV) | Yes | |
| Data Hold | Yes | |
| General Information | ||
| Auto Power Off | Yes | |
| Battery | 2 AAA batteries | |
| Drop Test | 2 meters | |
| IP Rating | IP40 | |
| Category Rating | CAT IV-300V, CAT III-600V | |
| Size (H x W x L) | 161 × 80 × 50 mm (6.3 × 3.2 × 2.0 in) | |
| Weight | 334 g (11.8 oz) | |
| Warranty | Limited lifetime warranty | |
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