3
1. SPECIFICATIONS
1.1 General Specification
Display
n
3¾ digit liquid crystal display (LCD) with a
maximum reading of 3999.
Polarity
n
Automatic, positive implied, negative polarity
indication.
Overrange
n
(OL) or (-OL) is displayed.
Zero
n
Automatic.
Low battery
n
“ ” is displayed when the battery
indication
voltage drops below the operating level.
Measurement
n
3 times per second, nominal.
rate
Operating
n
0°C to 50°C at < 70% relative humidity.
Environment
Storage
n
-20°C to 60°C, 0 to 80% R.H. with battery
Temperature
removed from meter.
Accuracy
n
Stated accuracy at 27
0
C ± 5
0
C,
<75% relative humidity.
Power
n
Two 1.5V ‘AAA’ Size Battery
Battery life
n
200 hours typical
Dimensions
n
250mm X 98mm X 35mm
Weight
n
400 grams approx.
Accessories
n
One pair of test leads, instruction manual,
1.5V batterys (installed), Carring Case,
Maximum Jaw
n
55mm
Opening
1.2 Electrical Specification
Accuracies are ± (% r number of digits) at 27 ± 5°C and
humidity of less than 75% RH.
AC CURRENT (50-60Hz)
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
: 10M
V
on all ranges except,
11M
V
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
: 10M
V
on all ranges except, 11M
V
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
: 400
V
, 4K
V
, 40K
V
, 400K
V
, 4M
V
, 40M
V
Accuracy
: ± (0.7% rdg + 4 dgt) on all ranges except
± (1.2% of rdg + 4 dgt) on 4M
V
± (2.5% of rdg + 4 dgt) on 40M
V
Range
Accuracy
Overload Protection
40A
±(3% + 4dgt)
1000A AC Max.
400A / 1000A
±(2% + 4dgt)
for 1 minute
4
DIGITAL CLAMP METER
MODEL :
2250-Hz
AUTO
INSTRUCTION MANUAL
®
2
Resolution
: 0.1
V
to 0.01M
V
Test Current
: 0.7mA on 400
V
, 0.1mA on 4K
V
,
30µA on 40K
V
, 4µA on 400K
V
Overload Protection : 500V DC/AC
Continuity Check
Threshold Level
: 40
V
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
