Meco 2250-Hz AUTO Instruction Manual

DIGITAL CLAMP METER
MODEL : 2250-Hz
INSTRUCTION MANUAL
1.2 Electrical Specification
Accuracies are ± (% reading + number of digits) at 27 ± 5°C and
humidity of less than 75% RH.
AC CURRENT (50-60Hz)
Range Accuracy
40A ±(3% + 4dgt)
400A / 1000A ±(2% + 4dgt)
DC VOLTAGE (Auto Ranging)
Ranges : 4V, 40V, 400V, 1000V
Accuracy : ± (0.5% rdg + 4 dgt) on 4V
± (0.7% rdg + 4 dgt) on 40V & 400V
± (1% of rdg + 4 dgt) on 1000V
Resolution : 1mV to 1V
Input Impedance : 10MV on all ranges except,
11MV on 4V
Overload Protection : 500V DC/350V AC for 15 sec. on 4V
range, 1200V DC/800V AC on all other ranges.
AC VOLTAGE (Auto Ranging) 40-500Hz
Range : 4V, 40V, 400V, 750V
Accuracy : ± (1.0% rdg + 8 dgt) on all ranges except,
± (1.5% rdg + 8 dgt) on 750V
Resolution : 1mV to 1V
Input Impedance : 10MV on all ranges except, 11MV on 4V
Overload Protection : 500V DC/350V AC for 15 sec. on 4V
range, 1200V DC/800V AC on all other ranges.
RESISTANCE (Auto Ranging)
Range : 400V, 4KV, 40KV, 400KV, 4MV, 40MV
Accuracy : ± (0.7% rdg + 4 dgt) on all ranges except
± (1.2% of rdg + 4 dgt) on 4MV
± (2.5% of rdg + 4 dgt) on 40MV
3
®
AUTO
Overload Protection
1000A AC Max.
for 1 minute
1. SPECIFICATIONS
1.1 General Specification
Display 3¾ digit liquid crystal display (LCD) with a
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maximum reading of 3999.
Automatic, positive implied, negative polarity
Polarity
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indication.
Overrange (OL) or (-OL) is displayed.
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Zero Automatic.
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Low battery " " is displayed when the battery
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indication voltage drops below the operating level.
Measurement 3 times per second, nominal.
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rate
Operating 0°C to 50°C at < 70% relative humidity.
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Environment
Storage -20°C to 60°C, 0 to 80% R.H. with battery
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Temperature removed from meter.
Accuracy Stated accuracy at 27
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<75% relative humidity.
Power Two 1.5V 'AAA' Size Battery
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Battery life 200 hours typical
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Dimensions 250mm X 98mm X 35mm
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Weight 400 grams approx.
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Accessories One pair of test leads, instruction manual,
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1.5V batterys (installed), Carring Case,
Maximum Jaw 55mm
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Opening
Resolution : 0.1V to 0.01MV
Test Current : 0.7mA on 400V, 0.1mA on 4KV,
30µA on 40KV, 4µA on 400KV
Overload Protection : 500V DC/AC
Continuity Check
Threshold Level : 40V Approx.
Response Time : 1m Sec. Approx.
Open Circuit Voltage : 0.4V Approx.
Indication : ' ' is displayed on LCD and buzzer sounds
at continuity.
Overload Protection : 500V DC / AC
Diode Test
Measurement Current : 1.0 ± 0.6 mA Approx.
Open Circuit Voltage : 0.4V Approx.
Overload Protection : 500V DC / AC
Frequency (Auto Ranging)
Range : 10.00Hz, 50.00Hz, 500.0Hz, 5.000kHz,
50.00kHz, 500.0kHz
Accuracy : ± (0.5% rdg + 2 dgt)
Sensitivity : 3V
Overvoltage Protection : 200V DC or AC peak
% Duty Cycle (Auto Ranging)
Range : 1% to 90%
Accuracy : ± (0.5% rdg + 5 dgt)
Resolution : 0.1%
Overvoltage Protection : 200V DC or AC peak
0 0
C ± 5 C,
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