Revision #:
Initial
Page #:
EX505 Calibration Procedure
8 of 8
Procedure Number: EICMEX505-CP
Extech Instruments Corporation
Capacitance 40.00 nF 35.00 nF +/- (5.0%rdg+7d) 33.18 – 36.82
Capacitance 400.0 nF 350.0 nF +/- (3.0%rdg+5d) 339.0 – 361.0
Capacitance 4.000 uF 3.500 uF +/- (3.0%rdg+5d) 3.390 – 3.610
Capacitance 40.00 uF 35.00 uF +/- (3.0%rdg+5d) 33.90 – 36.10
Capacitance 100.0 uF 95.0 uF +/- (5.0%rdg+5d) 89.7 – 100.3
Frequency 9.999 Hz 9.500 Hz +/- (1.5%rdg+5d) 9.352 – 9.648
Frequency 99.99 Hz 95.00 Hz +/- (1.5%rdg+5d) 93.52 – 96.48
Frequency 999.9 Hz 950.0 Hz +/- (1.2%rdg+2d) 938.4 – 961.6
Frequency 9.999 KHz 9.500 KHz +/- (1.2%rdg+2d) 9.384 – 9.616
Frequency 99.99 KHz 95.00 KHz +/- (1.2%rdg+2d) 93.84 – 96.16
Frequency 999.9 KHz 950.0 KHz +/- (1.2%rdg+2d) 938.4 – 961.6
Frequency 9.999 MHz 9.500 MHz +/- (1.5%rdg+4d) 9.353 – 9.647
Duty Cycle 0.1 to 99.9% 10.0% +/- (1.2%rdg+2d) 9.7 – 10.3
0.1 to 99.9% 25.0% +/- (1.2%rdg+2d) 24.5 – 25.5
0.1 to 99.9% 50.0% +/- (1.2%rdg+2d) 49.2 – 50.8
0.1 to 99.9% 75.0% +/- (1.2%rdg+2d) 73.9 – 76.1
Temperature -4 to 1382 °F 0.0 +/- (3.0%rdg+9degrees) -9.0 to 9.0
-4 to 1382 °F 32.0 +/- (3.0%rdg+9degrees) 22.0 to 42.0
-4 to 1382 °F 212.0 +/- (3.0%rdg+9degrees) 196.6 to 227.4
-4 to 1382 °F 1350.0 +/- (3.0%rdg+9degrees) 1300 to 1400
Temperature -20 to 750 °C -15.0 +/- (3.0%rdg+5degrees) -20.5 to -9.5
-20 to 750 °C 0.0 +/- (3.0%rdg+5degrees) -5.0 to 5.0
-20 to 750 °C 100.0 +/- (3.0%rdg+5degrees) 92.0 to 108.0
-20 to 750 °C 700.0 +/- (3.0%rdg+5degrees) 674.0 to 726.0
5. Test the "CONTINUITY" function. The unit should "beep" continuously at less than 100 .
6. Test the "DIODE" function with a known good diode and note a typical reading of 0.400 to 0.700V.
7. Test the “HOLD” function. It should freeze the reading in the display.
8. Test the “RELATIVE” function. Refer to manual.
9. Test that the "AUTO POWER OFF" function turns the meter OFF in approximately 30 minutes.
10. Turn the meter to the "OFF” position.
11. If all of the above tests are within acceptable limits re-package the meter and transfer it to warehouse status.
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