Electrical Specifications
Accuracies at 23°C ± 5°C, <75% R H,
guaranteed for one year.
DC Volts
R anges: 1, 10, 100, 1000V
R esolution, 0.1mV in 1V range:
Accuracy, 1V range: ±(0.25%rdg +6dgt)
Accuracy, 10V to 1000V ranges: ±(0.25%
rdg +3dgt) up to 400V; ±(0.40% rdg
+3dgt) from 400 to 1000V
Input Impedance: 10MΩ
CMR R : >120dB up to 1000Vdc
NMR R : >60dB at 50 or 60Hz
O L Protection: 1000VDC or Peak AC.
T ransient protection: 6kV .
AC Volts.
R anges: 10, 100, 750V
R esolution: 1mV in 10V range
Accuracy, 10V range
Accuracy, 100V , 750V ranges
±(1.5% rdg +8dgt)
1)
45 Hz to 10kHz;
2)
45 Hz to 10kHz up to 30V;
45 Hz to 1kHz above 30V .
Accuracy, 2 to 30V at 10 to 30kHz:
±(2.5% rdg +8dgt)
Input Impedance: 10MΩ shunted by <100pF
Conversion type: T rue R MS, AC coupled
Crest factor: 1:1 through 5:1
O L Protection, <10Hz: 400V AC or 533V
peak; >10Hz: 750Vrms or 1000V peak.
6kV transient protection.
DC Current
R anges: 10, 40mA, 10A
R esolution: 1µA in 10mA range
Accuracy, 10, 40mA, 10A: ±(0.75% +8dgt)
Voltage burden, mA ranges: 20mV/mA;
A ranges: 30mV/A
O L Protection: 40mA input: 0.25A/500V
fuse; 10kA interrupt rating
10A input: 15A/600V fuse;100kA
interrupt rating.
AC Current
(45Hz-1kHz)
1)
: ±(1.5% rdg +8dgt)
2)
:
R anges: 10, 40mA, 10A
R esolution: 1µA in 10mA range
Accuracy, 10, 40mA, 10A: ±(1.75% +8dgt)
Voltage burden, mA ranges: 20mV/mA; A
ranges: 30mV/A
Conversion type: T rue R MS AC coupled
Crest factor 1:1 through 5:1
O L Protection: see DC current.
Resistance
R anges: 1, 10, 100kΩ, 1, 10, 40MΩ
R esolution, 0.1Ω in 1kΩ range
Accuracy, 1kΩ to 1MΩ ranges:
±(0.5%rdg +1dgt);
10MΩ range: ±(1.0%rdg +2dgt)
40MΩ range: ±(1.5%rdg +2dgt)
Max test current: 1.0mA in 1kΩ rg; 150µA
in 10kΩ rg; 15µA in 100kΩ rg; 1.5µA
in 1MΩ rg; 0.2µA in 10 and 40MΩ rgs.
Max open circuit voltage: 3.0V in 1kΩ
range; 1.3V in other ranges.
R esponse time: 1s in 1kΩ range; 3s in
other ranges
O verload protection, all ranges: 500VDC
or AC R MS
Diode/Continuity Test
R ange: 1.0V , 2.25V
R esolution: 0.1mV in 1.0V range
Accuracy: ±(1.0%rdg +1dgt)
Short circuit current: 1.5mA
Max open circuit voltage: 3.0Vdc
Display response: <1s
Continuity threshold: 50Ω ±25
O verload prot.: 500VDC or R MS AC
Optional Accessories
DL243C Standard T est Lead Set
DL248C Deluxe T est Lead Set
TL245
Standard Replacement T est Leads
TL35A
T est Leads with Alligator Clips
CT231A 150A AC Current Clamp
CT232A 1000A AC Current Clamp
CT234A 400A AC Current Clamp
CT235
1000A AC/DC Clamp
CT236A 500A AC Clamp (mV output)
CT237
200A AC/DC Current Clamp
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