REED ST-5500 Instruction Manual Download Page 5

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5

Electrical Specifications

Accuracies are specified by:
±(…% of r…digits) at 23ºC±5ºC,below 80% RH.

.

.

OHMS

Range

Resolution

Accuracy

Max. open  

Circuit Voltage

Overload  

Protection

200Ω

0.1Ω

+(1%+2)

4.5V

250Vrms

200kΩ

0.1kΩ

3.0V

Continuity Beeper

Range

Resolution

Operation 

Resistance

Max.open  

Circuit Voltage

Overload  

Protection

•)))

0.1Ω

Resistance≤40Ω

4.5V

250Vrms

Short circuit current:

 ≤200mA

DC Voltage

Range

Resolution

Accuracy

Input  

Impedance

Overload  

Protection

1000V

1V

+(0.8%+3)

10MΩ

1000Vrms

AC Voltage (40Hz~400Hz)

Range

Resolution

Accuracy

Input  

Impedance

Overload  

Protection

750V

1V

+(1.2%+10)

10MΩ

750Vrms

Meg OHMS

Range

Resolution

Accuracy

Terminal Voltage

200MΩ/250V

0.1MΩ

+(3%+5)

250V+10%~-0%

200MΩ/500V

0.1MΩ

500V+10%~-0%

0~1000MΩ/1000V

1MΩ

1000V+10%~-0%

1000~2000MΩ /1000V

+(5%+5)

Range

Test Current

Short circuit current

200MΩ/250V

1mA

250KΩ(load)

≤1mA

200MΩ/500V

500KΩ(load)

0~1000MΩ/1000V

1MΩ

1000~2000MΩ /1000V

 

REED Instruments

1-877-849-2127 | [email protected] | www.reedinstruments.com

Summary of Contents for ST-5500

Page 1: ...reedinstruments www com Model ST 5500 Digital Insulation Tester Instruction Manual REED Instruments 1 877 849 2127 info reedinstruments com www reedinstruments com...

Page 2: ...k the test leads 7 Battery replacement 7 Measurements 7 8 Insulation Resistance Measurements 7 Low Resistance Measurements 8 AC DC Voltage Measurements 8 Power Tool Small Appliances 9 Motors 9 Cables...

Page 3: ...may be impaired Read the operating instructions before use and follow all safety Information Caution when working with voltages above 60V DC or 30V AC RMS Such voltages pose a shock hazard Before tak...

Page 4: ...k 200M 250V 200M 500V 2000M 1000V 750V ACV 1000V DCV Sampling Rate 2 5 times per second Zero Adjustment Automatic adjustment Over Range Indicator Number 1 of highest digit is displayed Low Battery Ind...

Page 5: ...urrent 200mA DC Voltage Range Resolution Accuracy Input Impedance Overload Protection 1000V 1V 0 8 3 10M 1000Vrms AC Voltage 40Hz 400Hz Range Resolution Accuracy Input Impedance Overload Protection 75...

Page 6: ...lack lead into the COM terminal 2 On 200 and ACV Range Connect the red test lead into the V terminal and the black lead into terminal COM How to check the test leads Set the range select switch to the...

Page 7: ...t have at least fifty outlets an outlet being a switch socket lighting point etc A switched socket counts as one outlet The minimum accept able insulation resistance is 1M For a large installation the...

Page 8: ...ton Set the LOCK button to lock test voltage pressing it again will turn the tester off Low Resistance Continuity Measurements 1 Set the range switch to 200 Position 2 Connect the red test lead to the...

Page 9: ...the motor wire and all other components be tween the motor and the main switch If a weakness is in dicated the mo tor and other components should be checked individually If the motor is disconnected...

Page 10: ...ecting one megohmmeter lead to a ground and or lead sheather and the other megohmmeter lead to each of the conductors in turn Check insulation resistance between conductors by connecting megohmmeter l...

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