Extech Instruments MultiMaster MM560A Uživatelská příručka

User’s Guide MultiMaster™ Digital MultiMeter Series With PC Interface Models: MM560 MM570

9Auto Power Off: After 17 minutes of inactivity with no input signal. Power consumption during auto power off; 20µA Safety: The MultiMaster™ Series

10Meter Description (MM570 Shown) 1. Liquid Crystal display 2. Function push-keys 3. Rotary function switch 4. 10A/-T2 input jack 5. V/Hz/Ω/Cap/+T1

11DC+AC True RMS DC+AC True RMS calculates both of the AC and DC components given by the expression when making measurement, and can responds accura

12Analog bar-graph The analog bar graph provides a visual indication of measurement like a traditional analog meter needle. It is excellent in detect

13Operation Measurement Considerations NOTICE: Read and understand all warning and caution statements listed in the safety section of this operation

142. For current measurements up to 5000µA, set the function switch to the "µA" position and insert the red test lead into the mA-µA jack

156. For Continuity tests, if the resistance is less than the threshold (20Ω to 200Ω), an audible tone will sound.

16Capacitance Measurements 1. Insert the black lead into the negative COM jack and the red test lead into the positive CAP jack. 2. Set the function

17Diode Test 1. Insert the black lead into the negative COM jack and the red test lead into the positive CAP jack 2. Set the function switch to the &

18 Relative mode Relative Zero allows the user to offset the meter by using the displayed value as the zero reference value. Practically all of the d

1WARRANTY EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for three years from date of shipmen

19RS-232 PC Interface This instrument is equipped with an optically isolated interface port (located on the rear of the meter). An optional WindowsTM

20 Support Hotline (781) 890-7440 Tech support: Ext. 200; Email: [email protected] Repair/Returns: Ext. 210; Email: [email protected] Website: www.

2Introduction Congratulations on your purchase of Extech model MM560 or MM570 digital multimeter. Properly used, this meter will provide many years o

37. Use great care when making measurements if the voltages are greater than 25VAC rms or 35VDC. These voltages are considered a shock hazard. 8. A

4Specifications DC VOLTAGE Accuracy Range MM570 MM560 500.00 mV, 5.0000V, 50.000V 0.02% + 2d 0.03% + 2d 500.00V 0.04% + 2d 0.05% + 2d 1000.0V 0.

5AC & AC+DC VOLTAGE Accuracy* MM570 MM560 Range 20Hz to 45Hz 500.00mV, 5.0000V, 50.000V 1.5% + 40d 500.00V, 1000.0V unspecified unspecified

6AC & AC+DC CURRENT Accuracy MM570 MM560 Range 50Hz to 60Hz Burden Voltage 500.00µA, 5000.0µA 0.15mV/µA 50.000mA, 500.00mA 3.3mV/mA 5.0000A,

7CAPACITANCE Range Accuracy* 50.00nF, 500.0nF 0.8% + 3d 5.000µF 1.0% + 3d 50.00µF 2.0% + 3d 500.0µF 3.5% + 5d 9999µF 5.0% + 5d *Accuracies with fil

8DC Loop Current %4 to 20mA: 4mA = 0% (zero), 20mA = 100% (span), Resolution: 0.01%, Accuracy: ±25d Diode Test: Accuracy: 1%+1d, Current 0.8mA(typic