MESTEK DM91A Mini Digital Multimeter – 9999 Count AC / DC Ammeter, Voltmeter, Ohmmeter, HFE, NVC, Capacitance Tester

Multi‑functional Digital Multimeter – High Precision & Performance

Key Features:

• Summary: This multimeter provides 9999‑count resolution, a wide range of measurement functions, and robust safety protections in a compact, ergonomic design.
• Comprehensive Measurements: DC/AC voltage, AC/DC current, resistance, capacitance, battery voltage, NCV (non‑contact voltage), VFC, live line, diode, and continuity testing.
• 9999‑Count LCD with Backlight: Large, clear display with data‑hold, flashlight, and auto‑power‑off.
• Auto/Manual Range Selection: Flexible range control for all measurement modes.
• Protection Features: Over‑load, short‑circuit, and PTC ceramic overload protection with fuse alarm.
• Portable & Durable Design: Shock‑proof, anti‑drop, anti‑skid, anti‑static construction; single‑hand operation with built‑in bracket for tabletop use.

Specifications:

• Display: LCD with backlight, 9999 counts
• Range control: Auto range & manual range
• Operating Environment: IEC61010‑1, CAT III 600 V
• DC Voltage Range: 999.9 mV / 9.999 V / 99.99 V / 600 V
• DC Voltage Resolution: 0.1 mV / 0.001 V / 0.01 V / 0.1 V
• AC Voltage Range: 0.999 V / 9.999 V / 99.99 V / 600 V
• AC Voltage Resolution: 0.001 V / 0.01 V / 0.1 V
• DC Current Range: 999.9 µA / 9 999 µA / 99.99 mA / 600 mA / 10 A
• DC Current Resolution: 0.1 µA / 1 µA / 0.01 mA / 0.1 mA / 0.01 A
• AC Current Range: 999.9 µA / 9 999 µA / 99.99 mA / 600 mA / 10 A
• AC Current Resolution: 0.1 µA / 1 µA / 0.01 mA / 0.1 mA / 0.01 A
• Resistance Range: 999.9 Ω / 9.999 kΩ / 99.99 kΩ / 999.9 kΩ / 9.999 MΩ / 99.99 MΩ
• Resistance Resolution: 0.1 Ω / 0.001 kΩ / 0.01 kΩ / 0.1 kΩ / 0.001 MΩ / 0.01 MΩ
• Capacitance Range: 9.999 nF / 99.99 nF / 999.9 nF / 9.999 µF / 99.99 µF / 999.9 µF / 9.999 mF / 99.99 mF
• Capacitance Resolution: 0.001 nF / 0.01 nF / 0.1 nF / 0.001 µF / 0.01 µF / 0.1 µF / 0.001 mF / 0.01 mF
• Sampling Rate: ≈ 3 samples/second
• Operating Temperature/Humidity: 0 ~ 40 °C, < 80 % RH
• Storage Temperature/Humidity: –10 ~ 50 °C, 70 % RH
• Power Supply: 2 × 1.5 V AAA batteries (not included)

Package Includes:

• 1 × Multimeter
• 1 × Pair of test probes
• 1 × User manual