KYORITSU 3007A - Manual (Page 9)

IEC 60529 (IP54) Dust & drip proof
● Operating System: Dual integration
● Display: Liquid crystal display (maximum count: 1999),
Unit, Mark
Bar graph 30 points max. (20 points on Ω
range)
● Over range Indication: "OL" is shown on the display.
● Sample Rate: Approx. 0.5 ~ 2.5 times per second
● Operating Temperature 0 ~ +40 ° C, relative humidity up to 85%
& Humidity:
● Storage Temperature -20 ~ +60 ° C, relative humidity up to 75%
& Humidity:
● Insulation Resistance: More than 50M Ω at 1000V DC between electrical
circuit and housing case
● Withstand Voltage: 3700V AC for one minute between electrical
circuit and housing case
● Overload Protection
Insulation resistance ranges:
1000V Range 1200V (DC+AC p-p) for 10 seconds
500V Range 600V (DC+AC p-p) for 10 seconds
250V Range 300V (DC+AC p-p) for 10 seconds
Continuity ranges:
20/200/2000 Ω 280V (DC+AC p-p) for 10 seconds
Range (Protection by fusing)
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● Typical Number of Measurements.
(central tendency for supply voltage up to 8V)
Insulation Resistance Ranges:
Approx. 1000 times min. at load 0.5M Ω
Continuity Ranges:
Approx. 700 times min. at load 1 Ω
● Operating Errors (IEC 61557-2,-4)
Functions Range
Measuring range to keep Maximum percentage
operating error operating error
20M Ω 0.50 ~ 19.99M Ω
1000V 200M Ω 1.0 ~ 199.9M Ω
2000M Ω 10 ~ 1000M Ω
20M Ω 0.50 ~ 19.99M Ω
500V 200M Ω 1.0 ~ 199.9M Ω
2000M Ω 10 ~ 100M Ω
20M Ω 0.25 ~ 19.99M Ω ± 30%
250V 200M Ω 1.0 ~ 199.9M Ω
2000M Ω 10 ~ 100M Ω
20 Ω 0.20 ~ 19.99 Ω
Ω 200 Ω 1.0 ~ 199.9 Ω
2000 Ω 10 ~ 1999 Ω
The influencing variations used for calculating the operating error are
denoted as follows;
Temperature: 0 ℃ and 35 ℃
Supply voltage : 8V to 13.8V
● Applicable Standards
IEC 61010-1 Over voltage CAT III 300V Pollution Degree 2
IEC 61010-2-31 Safety requirements for hand-held probe
assemblies
IEC 61557-1/2/4 Measuring equipment for low voltage
distribution systems
IEC 61326-1 EMC
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3007A-E 01.9.12 11:52 AM ページ 6