HoldPeak HP-770J Automotive Multimeter w/ Tachometer & Dwell – Professional Car Diagnostic Tool
🔥 Key Features
✅ Complete Automotive Testing – Measures voltage, current, resistance, temperature, RPM, and dwell angle
✅ Tachometer & Dwell Testing – Includes HP-705A adapter for precise engine diagnostics (300-12,000 RPM)
✅ High Accuracy – ±0.5% DC voltage, ±1.5% AC voltage, ±1.5% RPM/dwell
✅ Safety & Convenience – NCV detection, backlight, data hold, auto power-off
✅ Wide Compatibility – Works on gasoline engines (3-8 cylinders)
✅ Industrial-Grade Build – Shock-resistant casing for garage & workshop use
📊 Technical Specifications
🔌 Voltage Testing
| Type | Range | Accuracy | Resolution |
|---|---|---|---|
| DC Voltage | 200mV–1000V | ±(0.5% +8 digits) | 100μV–1V |
| AC Voltage | 200mV–750V | ±(1.5% +10 digits) | 100μV–1V |
⚡ Current & Resistance
| Function | Range | Accuracy |
|---|---|---|
| DC Current | 20A | ±(2.0% +10 digits) |
| Resistance | 200Ω–200MΩ | ±(0.8%–5.0%) |
🚗 Automotive-Specific Functions
| Feature | Range | Accuracy |
|---|---|---|
| Tachometer (w/ HP-705A) | 500–12,000 RPM | ±(1.5% +8 digits) |
| Dwell Angle | 0–120° (3-8 cyl) | ±(1.5% +8 digits) |
| Temperature (K-type) | -20°C–1000°C | ±(3% +2 digits) |
🔧 Why Choose This Automotive Multimeter?
✔ Faster Diagnostics – Test battery, alternator, sensors, ignition coils in one tool
✔ Professional-Grade – Accurate RPM & dwell readings for tune-ups
✔ Enhanced Safety – Non-Contact Voltage (NCV) detects live wires
✔ All-in-One Kit – Includes test leads, temp probe, carrying case, and HP-705A adapter
🎯 Ideal For:
Mechanics – Diagnose check engine lights, misfires, charging issues
DIY Car Enthusiasts – Test battery health, spark timing, fuel injectors
Auto Electricians – Troubleshoot wiring, fuses, relays
⚠️ Notes:
HP-705A adapter required for RPM/dwell testing (included)
Not for diesel engines – Designed for gasoline spark-ignition systems
📦 Package Includes:
1 × HP-770J Multimeter
1 × HP-705A Tach Adapter
1 × Test Leads
1 × K-Type Temp Probe
1 × Carrying Case
1 × English Manual
