Simpson Electric 501 User Manual

501 Insulation Tester  
The model 501 can be used for general purpose insulation tests that require voltages  
from 50V to 1000V only.  
The Instrument is equipped with AC and DC measuring ranges up to 1000V. This is  
advantageous for testing for the absence of voltage and the discharge of capacitive  
devices under test.  
The 501 features a quick testing signal lamp within the test probe that illuminates the  
work area. The signal lamp can also be used for quick Pass/Fail evaluations of  
insulation resistances. Minimum values for insulation resistances are present if the  
lamp lights up.  
Comes equipped with built-in test probes, an alligator clip, a leatherette carrying case  
and batteries.  
Five Test Voltages: 50, 100, 250, 500, and 1000 VDC  
Voltage Measurement to 1000 V AC/DC  
Test Probe Signal Lamp Illuminates Work Area and Indicates Pass/Fail of  
Insulation Resistance  
Battery Powered with Battery Test and Battery Charge Indicator  
Rugged Tester Design for Industrial Applications with Leatherette Carrying Case  
Specifications  
REFERENCE CONDITIONS  
Ambient Temperature: 73ЊF (23ЊC) Ϯ 4ЊF (2ЊC)  
Relative Humidity: 45 to 55%  
Measuring Ranges  
INSULATION RESISTANCE  
Measurement Magnitude Frequency: 45-65 Hz (voltage measurements)  
Line Voltage Waveform: Sine, deviation between effective and rectified value < .5%  
Battery Voltage: 9V Ϯ .5V  
Measuring  
Range  
Lamp in Test Prod1)  
Open-Circuit Voltage U Internal Resistance R i Lights for Resistance  
o
Operating Position: Horizontal  
0…50K  
30K⍀  
10K⍀  
40K⍀  
> 100K⍀  
> 200K⍀  
> 500K⍀  
> 1M⍀  
ELECTROMAGNETIC COMPATIBILITY EMC  
Interference Emission:  
EN 50081-1: 1992  
Interference Immunity:  
EN 50082-1: 1992  
20K…1M⍀  
200K…20M⍀  
60V  
120V  
300V  
600V  
0…100K⍀  
40K…2M⍀  
400K…40M⍀  
60K⍀  
20K⍀  
80K⍀  
0…250K⍀  
100K…5M⍀  
1M…100M⍀  
150K⍀  
50K⍀  
200K⍀  
ELECTRICAL SAFETY  
Designed to IEC 1010-1  
Protection Class: II  
Test Voltage: 5.55Kv  
Overvoltage Classification: II  
Pollution Degree: 2  
0…500K⍀  
200K…10M⍀  
2M…200M⍀  
300K⍀  
100K⍀  
400K⍀  
0…1M⍀  
400K…20M⍀  
4M…400K⍀  
600K⍀  
200K⍀  
800K⍀  
> 2M⍀  
Protection: Housing IP52  
1200V  
9V  
AMBIENT CONDITIONS  
Operating Temp. Range: 32ЊF (0ЊC) to 104ЊF (40ЊC)  
Storage Temp. Range: -4ЊF (-20ЊC) to 140ЊF (60ЊC) (without batteries)  
Relative Humidity: Max. 45-55%, condensation must be avoided  
MECHANICAL DESIGN  
Ϫ
Ϫ
0…4K⍀  
(1) Switching Accuracy  
DIRECT AND ALTERNATING CURRENT  
Measuring  
Range  
Internal  
Resistance  
Maximam  
Overload  
Dimensions: W 6.50” (165mm) x  
D 4.33” (110mm) x H 4.92” (125mm)  
Weight: 3.5 lbs. (1.6kg) (with batteries)  
Frequency  
Intrinsic Error (1)  
Ϯ2.5%  
0 to 1000V  
AC/DC  
0 or 40 to 200Hz  
900K⍀  
1200V AC/DC  
Continuous  
POWER SUPPLY  
(1) Referring to scale length  
Standard or Storage Battery: 6 ea. 1.5V Dsize batteries  
Working Range: 7V to 10V  
Battery Service Life: Number of possible measurements with 1 set of “Dsize  
batteries (with lamp in test prod switched off): at least 3,000 measurements of an  
insulation resistance of 1M(Nominal Voltage of1000 V, 5 sec. Measurement duration,  
switched off for 25 sec. etc.)  
Ordering Information  
ACCESSORIES  
501 Insulation Tester, 1000 V  
Catalog No.  
12501  
rev_1 11/2/04  

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