Sanwa CD800a Digital Multimeter
The Sanwa CD800a Digital Multimeter is a reliable, high-quality measuring instrument from Sanwa Electric Instrument Co., Ltd. Designed for professional use, it combines excellent measurement accuracy with a durable protective body cover that also functions as a convenient tilt stand. It is well suited for electrical maintenance, electronics repair, laboratory work, and field servicing.
Featuring a 4000-count auto-ranging LCD, the CD800a measures AC/DC voltage up to 600V, AC/DC current up to 400mA, resistance up to 40MΩ, capacitance up to 100µF, frequency up to 100kHz, and duty cycle. It also includes diode testing, continuity buzzer, data hold, range hold, relative measurement, and auto power-off for convenient day-to-day operation.
The meter offers a best accuracy of ±0.7%, making it suitable for low-voltage circuit analysis, appliance servicing, PCB diagnostics, and educational laboratories. Its low-power continuity function helps protect sensitive electronic components during testing, while the rugged body cover improves durability during transport and field use.
Technical Specifications
| Specification | Details |
|---|---|
| Model | CD800a |
| Brand | Sanwa |
| Product Type | Auto-Ranging Digital Multimeter |
| Display | 4000-Count LCD |
| Best Accuracy | ±0.7% |
| DC Voltage | 400mV, 4V, 40V, 400V, 600V |
| AC Voltage | 4V, 40V, 400V, 600V |
| DC Current | 40mA, 400mA |
| AC Current | 40mA, 400mA |
| Resistance | 400Ω to 40MΩ |
| Capacitance | 50nF to 100µF |
| Frequency | 5Hz to 100kHz |
| Duty Cycle | 20%–80% |
| Diode Test | Yes |
| Continuity Test | Audible Buzzer |
| Data Hold | Yes |
| Range Hold | Yes |
| Relative Measurement | Yes |
| Auto Power Off | Yes (Approx. 30 Minutes) |
| Sampling Rate | 3 Readings/Second |
| Power Supply | 2 × AA Batteries |
| Fuse | 0.5A / 250V Ceramic |
| Dimensions | 176 × 104 × 46 mm |
| Weight | Approx. 340 g |
Applications
- Electrical installation and maintenance
- Electronics repair and troubleshooting
- PCB testing and diagnostics
- Home appliance servicing
- Industrial equipment maintenance
- Educational laboratories
- Battery and power supply testing
- Frequency and capacitance measurement
- Field service and inspection
- Low-voltage circuit analysis
Precautions
- Select the correct measurement function before connecting the probes.
- Never exceed the maximum rated input voltage or current.
- Disconnect power before measuring resistance, capacitance, or continuity.
- Discharge capacitors completely before testing.
- Replace the fuse only with the specified ceramic fuse.
- Keep fingers behind the probe guards during measurements.
- Do not use the meter in wet or humid environments.
- Replace the batteries when the low-battery indicator appears.
- Store the multimeter in a clean, dry location when not in use.
Related Products
- Digital Multimeters
- Test & Measurement Instruments
- Electronics Testing Tools
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