DIGITAL MULTIMETER KIT
MODEL M-2666K
WIDE RANGE DIGITAL MULTIMETER WITH
CAPACITANCE AND TRANSISTOR TESTING FEATURES
Assembly and Instruction Manual
1. FEATURES
• Wide measuring ranges: 34 ranges for AC/DC Voltage and Current, Resistance, Capacitance, TR hFE,
Diode Test, and Continuity Buzzer.
• 10MΩ Input Impedance
• Big LCD for easy reading
• Tilt Stand
• Rubber Holster
2. SPECIFICATIONS
2-1 General Specifications
Display 3 1/2 LCD 0.9” height, maximum reading of 1999.
Polarity Automatic “–” sign for negative polarity.
Overrange Indication Highest digit of “1” or “–1” is displayed.
Low Battery Indication “BAT” lettering on the LCD readout.
Operating Temperature 0
O
C to 50OC.
less than 80% relative humidity up to 35OC.
less than 70% relative humidity from 35OC to 50OC.
Storage Temperature –15
O
C to 50OC
Temperature Coefficient 0
O
C to 18OC and 28OC to 50OC.
less than 0.1 x applicable accuracy specification per degree C.
Power 9V alkaline or carbon zinc battery (NEDA 1604).
Battery Life (typical) 100 hours with carbon zinc cells.
200 hours with alkaline cells.
Dimensions (w/o holster) 3.55” (90.2mm) (W) x 7.6” (193mm) (L) x 1.78” (45.2mm) (H).
Weight (w/o holster) Approximately 10.4oz. (300g.)
Accessories Safety Test Leads 1 pair
2-2 Measurement Ranges (Accuracy: 1 year 18OC to 28OC)
DC Voltage
Range Resolution Accuracy Maximum Input
200mV 100μV+
0.5% of rdg + 2dgt
2V 1mV +
0.5% of rdg + 2dgt
20V 10mV +
0.5% of rdg + 2dgt DC 1000V or peak AC
200V 100mV +
0.5% of rdg + 2dgt
1000V 1V +
0.8% of rdg + 2dgt
Normal Mode Rejection Ratio: Greater than 46dB at 50Hz 60Hz (1k unbalance)
AC Voltage
Range Resolution Accuracy Maximum Input
200mV 100μV+
1.5% of rdg + 2dgt
2V 1mV +
1% of rdg + 2dgt
20V 10mV +
1% of rdg + 2dgt AC 750V maximum 50Hz - 400Hz
200V 100mV +
1% of rdg + 2dgt
750V 1V +
1.5% of rdg + 2dgt
Resistance
Range Resolution Accuracy Test Current Input Protection
200Ω 0.1Ω +
1% of rdg + 2dgt
2kΩ 1Ω +
0.8% of rdg + 2dgt
20kΩ 10Ω +
0.8% of rdg + 2dgt Approximately Protected By
200kΩ 100Ω +
0.8% of rdg + 2dgt 1.2mA PTC
2MΩ 1kΩ +
0.8% of rdg + 3dgt
20MΩ 10kΩ +
2.0% of rdg + 4dgt
Maximum open circuit voltage: 2.8V
DC Current
Range Resolution Accuracy Protection
200μA 100nA +
1.5% of rdg + 2dgt
2mA 1μA+
1.5% of rdg + 2dgt Protected by
20mA 10μA+
1.5% of rdg + 2dgt 250V/2A Fuse
200mA 100μA+
2% of rdg + 2dgt
20A 10mA +
2.5% of rdg + 3dgt
AC Current
Range Resolution Accuracy Protection
200μA 100nA +
1% of rdg + 3dgt
2mA 1μA+
1% of rdg + 3dgt Protected by
20mA 10μA+
1% of rdg + 3dgt 250V/2A Fuse
200mA 100μA+
1.5% of rdg + 3dgt
20A 10mA +
2.0% of rdg + 3dgt
Capacitance
Range Resolution Accuracy Protection
2nF 1pF +
2.5% of rdg + 3dgt
2nF 10pF +
2.5% of rdg + 3dgt
200nF 100pF +
2.5% of rdg + 3dgt Test frequency 400Hz
2μF 1nF +
2.5% of rdg + 3dgt
20μF 10nF +
2.5% of rdg + 3dgt
200μF 100nF +
5% of rdg + 3dgt
Transistor hFE
Range Test Condition
NPN 2mA 3V
PNP 2mA 3V
Diode Test
Measures forward resistance of a semiconductor junction in k Ohm at max. test current of 1mA.
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