The SPR-191 is a high-performance digital multimeter with an integrated thermal imaging camera, designed for electrical and electronic measurement tasks. It combines True RMS measurement capabilities with thermal imaging technology, making it ideal for professionals in HVAC, electrical maintenance, industrial automation, and building diagnostics. The device features a 2.8" color LCD display, Bluetooth connectivity, and comprehensive measurement functions for voltage, current, resistance, capacitance, frequency, and temperature.
- True RMS AC/DC Measurement: Accurate voltage and current measurements for both AC and DC circuits
- Integrated Thermal Imager: 80×80 pixel thermal camera with Max/Min/Centre temperature targeting
- Fast 50Hz Frame Rate: Smooth thermal image display for real-time monitoring
- Multiple Color Palettes: IRON, BLUE, RED, GREY, Rainbow, Feather for enhanced visualization
- Adjustable Emissivity Settings: For accurate temperature readings on different materials
- Backlit LCD Display: 2.8" TFT color screen with adjustable brightness for easy viewing
- Bluetooth Connectivity: Remote viewing and data sharing with smart devices
- Laser Pointer: Precise targeting for measurements
- Auto Power Off: Configurable auto shut-off with disable option for extended use
- IP65 Rating: Dust and waterproof protection for durability in harsh environments
- Double Insulated Housing: Enhanced safety for electrical work
- Data Hold, REL, Peak, Min/Max Functions: Comprehensive measurement tools
- Overload Protection: Surge protection up to 8kV peak for safety
| Specification | Details |
|---|---|
| Display | 2.8" TFT Color LCD (6000 count), Analog Bargraph |
| Measurement Functions | Voltage (AC/DC & AC+DC), Current (AC/DC & AC+DC), Resistance, Capacitance, Diode Test, Continuity, Frequency, Duty Cycle, Temperature, Flexible Coil Current |
| Voltage Measurement Range | 600mV – 1000V |
| Voltage Accuracy | ±(0.09% + 5 digits) DC ±(0.8% + 5 digits) AC (50Hz–60Hz) |
| Current Measurement Range | 0.1µA – 10A (mA/µA) 30A – 3000A (Flexible coil) |
| Current Accuracy | ±(0.9% + 5 digits) DC ±(1.2% + 5 digits) AC |
| Resistance Range | 600Ω – 60MΩ |
| Resistance Accuracy | ±(0.5% + 5 digits) |
| Capacitance Range | 60nF – 6000µF |
| Capacitance Accuracy | ±(1.5% + 20 digits) |
| Frequency Range | 40Hz – 10MHz |
| Temperature Range | -40°C to 1000°C (-40°F to 1800°F) |
| Temperature Accuracy | ±(1.5% + 3°C) |
| Thermal Imager Resolution | 80 × 80 pixels |
| Thermal Frame Rate | 50Hz |
| Field of View (FOV) | 21° × 21° |
| IFOV (Instantaneous FOV) | 4.53 mrad |
| Thermal Temp Range | -20°C to +260°C (-4°F to +500°F) |
| Thermal Accuracy | ±3°C or ±3% of reading |
| Power Supply | Rechargeable Li-ion Battery (7.4V, 2300mAh) |
| Auto Power Off | After 15–60 minutes |
| Input Protection | 1000V AC/DC Max Fuse: 800mA (mA/µA), 10A (10A Input) |
| Dimensions | 175 x 85 x 55 mm (7 x 3 x 2 in) |
| Weight | 540 g (with battery) |