UNIT UT61A Digital Multimeter
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The UNIT UT61A is a digital multimeter designed for accurate and reliable electrical measurements. It is suitable for both professional and hobbyist use, offering a range of measurement functions including AC/DC voltage, AC/DC current, resistance, capacitance, frequency, and continuity. The UT61A features a large, easy-to-read LCD display, auto-ranging capability, and robust safety features.
Key Features:
- Measurement Functions:
- AC/DC Voltage: Measures up to 1000V.
- AC/DC Current: Measures up to 10A.
- Resistance: Tests resistance up to 60MΩ.
- Capacitance: Measures capacitance up to 4000µF.
- Frequency: Measures frequency up to 10MHz.
- Continuity: Audible continuity test for quick checks.
- Diode Test: Checks diode functionality.
- Display: Large 4-digit LCD with backlight for easy reading in various lighting conditions.
- Auto-ranging: Automatically selects the appropriate measurement range.
- Data Hold Function: Freezes the displayed value for easy reading.
- Relative Mode: Allows for relative measurements to compare against a reference value.
- Safety Ratings: Designed to meet safety standards with CAT IV 600V and CAT III 1000V ratings.
- Additional Features: Includes a low battery indicator, auto power-off function, and overload protection.
- Accessories: Comes with test leads, a thermocouple probe, and a carrying case for portability and storage.
- Display: 4-digit LCD with a maximum reading of 19999
- Sampling Rate: Approximately 3 times per second
- Power Supply: 1 x 9V battery (6F22)
- Operating Temperature: 0°C to 40°C (32°F to 104°F)
- Storage Temperature: -10°C to 50°C (14°F to 122°F)
- Dimensions: 179mm x 88mm x 39mm
- Weight: 360g (including battery)
- Electrical Testing: Ideal for electricians, technicians, and hobbyists for measuring voltage, current, resistance, capacitance, and more in circuits and appliances.
- Maintenance: Useful for troubleshooting electrical equipment and systems.
- Field Work: Portable design makes it suitable for on-site measurements and inspections.
- Overload Protection: Protects against accidental voltage spikes and current overloads.
- Safety Standards: Complies with international safety standards for electrical measurement tools.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment