HTC Instruments DM-92 Digital Multimeter

HTC Instruments DM-92 Digital Multimeter

The HTC Instruments DM-92 is a compact and reliable 3½-digit manual-ranging digital multimeter designed for professionals and DIY enthusiasts. It offers accurate measurements across a wide range of electrical parameters, making it ideal for electrical troubleshooting, electronics repair, and educational purposes.

🔑 Key Features

• 3½-Digit Manual Multimeter: Provides a 1,999-count LCD display for precise readings.

• Wide Measurement Range: Measures DC/AC voltage up to 1000V, DC/AC current up to 20A, resistance up to 200MΩ, capacitance up to 200µF, and frequency up to 10MHz.

• Transistor Testing: Supports hFE testing for both NPN and PNP transistors.

• Diode and Continuity Testing: Includes diode testing and continuity checking with an audible buzzer for quick fault detection.

• Backlit LCD Display: Ensures clear visibility in low-light conditions.

• Auto Power Off: Automatically shuts off after approximately 30 minutes of inactivity to conserve battery life.

• Full Overload Protection: Provides protection across all measurement ranges to safeguard the multimeter and user.

• Low Battery Indicator: Alerts when the battery voltage drops below 7.5V.

• Compact and Durable Design: Measures 185 x 93 x 35 mm and weighs approximately 290 grams, making it portable and easy to handle.

📊 Specifications

• DC Voltage: 200mV to 1000V, ±(0.5% + 3 digits)

• AC Voltage: 2V to 750V, ±(0.8% + 5 digits)

• DC Current: 200µA to 20A, ±(0.8% + 3 digits)

• AC Current: 20mA to 20A, ±(1.0% + 5 digits)

• Resistance: 200Ω to 200MΩ, ±(0.8% + 3 digits)

• Capacitance: 20nF to 200µF, ±(2.0% + 20 digits)

• Frequency: Up to 10MHz

• Transistor hFE: Supports NPN and PNP transistors

• Display: 3½-digit LCD with backlight

• Sampling Rate: 3 times per second

• Power Supply: 1 x 9V battery (6F22)

• Dimensions: 185 x 93 x 35 mm

• Weight: Approximately 290 grams

• Safety Rating: CAT III 600V

🛠️ Applications

• Electrical Troubleshooting: Ideal for diagnosing issues in electrical circuits and components.

• Electronics Repair: Useful for testing and repairing electronic devices.

• HVAC Systems: Suitable for testing and maintaining HVAC control systems.

• Industrial Equipment: Perfect for servicing industrial equipment and machinery.

• Educational Use: Great for teaching and learning about electrical measurements and concepts.

• DIY Projects: Perfect for hobbyists working on various electronic projects.

  – DC Voltage: 200mV/2V/20V/200V/1000V, ±(0.5% + 3)
  – AC Voltage: 2V/20V/200V/750V, ±(0.8% + 5)
  – DC Current: 200uA/2mA/20mA/20mA/20A, ±(0.8% + 3)
  – AC Current: 20mA/20mA/20A, ±(1.0% + 5)
  – Resistance: 200MΩ/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ/200MΩ, ±(0.8% + 3)
  – Capacitance: 20nF/200nF/2uF/200uF,±(2.0% + 20)