Pocket Size Digital Multimeter with Built-In Case

Sanwa PM7a Pocket-Size Digital Multimeter with Foldable Design and Built-In Case

The Sanwa PM7a is a compact, pocket-sized digital multimeter designed for portability and ease of use. With its unique foldable design and integrated protective casing, it folds like a flip phone, offering durability and convenience for on-the-go measurements. Ideal for working with weak current circuits, this versatile tool is perfect for hobbyists, technicians, and engineers who need a lightweight and reliable multimeter.

Key Features:

• 4000-Count Display: Provides high precision and clear visibility for accurate readings.
• 0.7% Accuracy: Ensures reliable measurements for a variety of applications.
• Voltage Ranges: Measures both AC (up to 500V) and DC (up to 500V) voltages.
• Resistance Measurement: Capable of measuring resistance up to 40 mega-ohms.
• Continuity Test with Buzzer: Audible alert for continuity detection, making circuit diagnostics easy.
• Diode Test Function: Includes an open voltage of approximately 1.5V to test diodes effectively.
• Power-Saving Design: Features auto power-off after 15 minutes of inactivity to extend battery life.
• Low Power Consumption: Operates on just ~5mW of power, powered by two LR44 (1.5V) coin-style batteries.
• Range Hold Function: Enables you to lock the measurement range for stable readings.
• Lightweight and Compact: With dimensions of H115×W57×D18mm and a weight of approximately 85g, it fits comfortably in your pocket or tool kit.

Expanded Features:

• Advanced Resistance Testing: Low power ohm mode with an input voltage of 0.4V for sensitive measurements.
• Sampling Rate: Refreshes readings 3 times per second for real-time results.
• Bandwidth: Measures AC signals from 40Hz to 400Hz.
• Durable Test Leads: Attached test leads with a length of 0.5m and pin tips of 15mm for precision work.

Optional Model with Solar Backup:

For those requiring extended power reliability, the Sanwa PS8a model offers integrated solar power backup, making it ideal for use in remote locations or extended fieldwork.

Measurement Ranges and Accuracy:

| Function | Range | Accuracy | Resolution | Input Impedance | |----------------|----------------------------------|-------------------|----------------|--------------------------| | DC Voltage | 400mV/4V/40V/400V/500V | ±(0.7% + 3) | 0.1mV | 10MΩ - 100MΩ | | AC Voltage | 4V/40V/400V/500V | ±(2.3% + 5) | 0.001V | 10MΩ - 11MΩ | | Resistance | 400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ | ±(2.0% + 5) | 0.1Ω | — | | Continuity | Buzzer sounds at less than 10Ω - 120Ω | — | — | Open voltage approx. 0.4V | | Diode Test | Open voltage: approx. 1.5V | — | — | — |

What’s Included:

• Sanwa PM7a Digital Multimeter
• Attached Test Leads
• Instruction Manual
• Pre-installed LR44 Batteries (2 units)

Who Should Use the Sanwa PM7a?

The PM7a is an excellent choice for anyone seeking a compact, reliable multimeter for quick and easy electrical measurements. Its portability, durability, and straightforward design make it ideal for:

• DIY enthusiasts
• Electronics hobbyists
• Students and educators
• Professional technicians
• Fieldwork engineers

Whether you’re troubleshooting a circuit, testing components, or performing general maintenance, the Sanwa PM7a is your go-to tool for accurate and hassle-free measurements.