Extech Instruments EX505 Manual de usuario descargar pdf (Pagina 7)

Revision #:

Initial

Page #:

EX505 Calibration Procedure

7 of 8

Procedure Number: EICMEX505-CP

1. VISUAL - Check for cosmetic problems, scratches, wrong labels, loose labels, etc.

2. Insert 1 each "9V" battery and observe correct polarity.

3. Power "ON" and check for any missing display segments.

4. Test the following functions:

FUNCTION RANGE INPUT TOLERANCE READING NOTES

DC Volts 400.0 mV 350.0 mV +/- (0.5%rdg+2d) 348.0 – 352.0

DC Volts 4.000 V 3.500 V +/- (1.2%rdg+2d) 3.456 – 3.544

DC Volts 40.00 V 35.00 V +/- (1.2%rdg+2d) 34.56 – 35.44

DC Volts 400.0 V 350.0 V +/- (1.2%rdg+2d) 345.6 – 354.4

DC Volts 1000.0 V 950.0 V +/- (1.5%rdg+2d) 934 – 966

AC Volts 400.0 mV 350.0 mV +/- (2.0%rdg+10d) 342.0 – 358.

0 manually select mV

AC Volts 4.000 V 3.500 V +/- (2.0%rdg+5d) 3.425 – 3.575 auto range

AC Volts 40.00 V 35.00 V +/- (2.0%rdg+5d) 34.25 – 35.75

AC Volts 400.0 V 350.0 V +/- (2.0%rdg+5d) 342.5 – 357.5

AC Volts 1000.0 V 950.0 V +/- (2.5%rdg+5d) 921 – 979

DC Amps 400.0 uA 350.0 uA +/- (1.0%rdg+3d) 346.2 – 353.8

DC Amps 4000 uA 3.500 mA +/- (1.5%rdg+3d) 3.444 – 3.556

DC Amps 40.00 mA 35.00 mA +/- (1.5%rdg+3d) 34.44 – 35.56

DC Amps 400.0 mA 350.0 mA +/- (1.5%rdg+3d) 344.4 – 355.6

DC Amps 10.00 A 7.50 A +/- (2.5%rdg+5d) 7.26 – 7.74

AC Amps 400.0 uA 350.0 uA +/- (2.5%rdg+10d) 340.2 – 359.8

AC Amps 4000 uA 3.500 mA +/- (2.5%rdg+5d) 3407 – 3593

AC Amps 40.00 mA 35.00 mA +/- (2.5%rdg+5d) 34.07 – 35.93

AC Amps 400.0 mA 350.0 mA +/- (2.5%rdg+5d) 340.7 – 359.3

AC Amps 10.00 A 7.50 A +/- (3.0%rdg+7d) 7.20 – 7.80

Resistance 400.0  350.0  +/- (1.2%rdg+4d) 345.4 – 354.6

Resistance 4.000 K  3.500 K +/- (1.0%rdg+2d) 3.463 – 3.537

Resistance 40.00 K  35.00 K +/- (1.2%rdg+2d) 34.56 – 35.44

Resistance 400.0 K  350.0 K +/- (1.2%rdg+2d) 345.6 – 354.4

Resistance 4.000 M  3.500 M +/- (1.2%rdg+2d) 3.456 – 3.544

Resistance 40.00 M  35.00 M +/- (2.0%rdg+3d) 34.27 – 35.73

CHECKING PROCEDURE

Page 2 of 2

Model# EX505

True RMS Industrial Multimeter

FUNCTION RANGE INPUT TOLERANCE READING NOTES

Extech Instruments Corporation

Extech Instruments EX505 Manual de usuario Pagina 7

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Extech Instruments EX505 Manual de usuario Pagina 7

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