Digital Multimeter Portable Bench Tester 4-1/2 Digit Digital Multimeter ET3240 Precision Automatic Range Capacitance Tester Digital Desktop Multimeter

5½ digit resolution (ET3255) or 4½ digit resolution (ET3240/ET3241) 3.5” large screen display, for rich content, legible reading, and good display effect Double-parameter display, to display two parameters of one input signal (e.g., AC voltage and frequency displayed at the same time for measurement of AC voltage). Manual/automatic range setting Communication interfaces: USB devices, RS232 (optional for ET3240 and ET3241) Support for SCPI protocol, with programming document Measurement of AC/DC voltage, AC/DC current, 2-/4-line resistance Measurement of cycle and frequency (up to 20 MHz). Capacitance measurement. Threetriggermeasurementmodes: automatic trigger, external trigger, and single trigger (external trigger optional for ET3240 and ET3241) Maximum measurement of 10A current and 1000V DC voltage Keyboard lock function, system configuration available for setting of language, buzzer and display brightness Easy external calibration function Multiple mathematical functions: Statistics (max, min), relative measurement, dB, dBm. Functions such as on-off, diodes, reading hold, data hold/read, keypad tone, trigger measurement

• 4 digits, 22000 counts.
• Measurement rate: FAST (7 times / sec), MID (5 times / sec), SLOW (2 times / sec).
• Range switching mode: auto / manual.
• Dual parameter display: display two parameters of the same input signal.
• Trigger mode: automatic trigger, single trigger, external trigger(optional).