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Fluke 1621 Инструкция по эксплуатации онлайн [24/26] 4452
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1621
Users Manual
16
Temperature
Coefficient:
± 0.1 % of range per degree Kelvin
Safety: IEC/EN 61010-1, 600VCATII, pollution degree 2
Maximum Deviations:
Parameter Influence Factor
Deviation
influence
E
1
Position 0 %
E
2
Supply Voltage 0 %
E
3
Temperature E
3
2.3 %
E
4
Serial Interference Voltage (20 V) 0.6 %
E
5
Probe- and Auxiliary probe
Resistance
10 %
Test voltage: 3.7 kV
Protection type: IP 40; IEC/EN 60529
Electromagnetic
compatibility:
Emission: IEC/EN 61326 Class B
Immunity: IEC/EN 61326 Annex C
Dimensions: 113 x 54 x 216 mm (4.5 x 2.1 x 8.5 in), including
holster
Weight: 850 g (1.9 lb), including standard accessories,
Volume approximately 600 cm
3
R
E Resistance Measurement
Measuring method: Current-voltage measurement with improved cross-
talk attenuation, no compensation of measuring
lead resistance, with probe (3-pole) or without
probe (2-pole) as per IEC/EN 61557-5
Open circuit voltage: 23 to 24 V ac
Short circuit current: >50 mA ac
Measuring frequency: 128 Hz
Maximum permissible
overload:
250 Veff
Содержание
- Earth ground tester 1
- Limited warranty and limitation of liability 2
- Table of contents 3
- Title page 3
- List of tables 5
- Table title page 5
- Figure title page 7
- List of figures 7
- Earth ground tester 9
- Introduction 9
- Packing 9
- Unpacking 9
- Safety regulations 10
- Xw warning 10
- Cat ii 11
- Symbols 11
- Accessories 12
- Features 13
- Lcd display 15
- Software 15
- Auto shut off 16
- Interference detection 16
- The tester automatically checks for interference voltage noise fault voltage above 20 v interference above 20 v greatly diminishes the accuracy of measurements if the tester detects interference voltage above 20 v the measurement automatically stops the w icon flashes the u icon displays and the value of the stray voltage displays 16
- The tester has an auto shut off feature that turns the device off after 10 minutes of inactivity the tester beeps to alert you that it is about to turn off 16
- To disable auto shut off simultaneously press and hold start and display while setting the rotary switch to any on position 3 pole 2 pole or limit to reset auto shut off or to reset the tester turn off the tester and then turn it on again 16
- Resistance limit mode 17
- Battery installation 18
- Operating instructions 19
- Pole measurement 19
- Xw warning 19
- Figure 4 three pole measurement setup 20
- Users manual 20
- Ac resistance measurement 21
- To troubleshoot your tester follow the steps in table 4 22
- Troubleshooting 22
- Specifications 23
- Earth ground tester specifications 25
- If tester detects stray interference voltage 20 v w is displayed and the measurement is not started 25
- Limit input tester retains set value even if instrument is turned off assuming battery power supply is sufficient 25
- Measuring time 8 seconds average from when start is pressed 25
- Service 26
- Storage 26
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