Fluke 28 II Ex Calibration Information

Digital Multimeter
Performance Tests
13
Required Equipment
Table 3 is a list of the equipment necessary to do performance tests on the Meter.
Table 3. Required Equipment
Recommended Equipment Measurement Function Accuracy
Calibrator
(Fluke 5520A or equivalent)
DC Volts
0 V to 1000 V ±0.012 %
DC Current
350 μA to 2 A ±0.05 %
AC Volts
0 V to 1000 V ±0.15 %
@ 60 Hz to 20 kHz ±3 %
AC Current
350 μA to 2 A ±0.39 %
@ 60 Hz to 1 kHz
Resistance
1 Ω to 100 MΩ ±0.06 %
Capacitance
9 μF to 900 μF ±0.475 %
Frequency 19.999 kHz to 199.99 kHz,
±0.0137 %
150 mV to 6 Vrms, ±5 %
K-type Thermocouple, mini-plug
on both ends
Temperature
Accuracy Test
To measure the accuracy of the Meter, set the Calibrator to the Calibrator output
parameters shown in Table 4. Make sure the UUT measurement is between the low and
high limit shown in the table.
Table 4. Accuracy Tests
Step
Test
Function
Range Calibrator Output
UUT Measurement
Low Limit High Limit
1
K
AC Volts
600 mV 60 mV, 60 Hz 59.2 mV 60.8 mV
2 600 mV 330 mV, 60 Hz 327.3 mV 332.7 mV
3 600 mV 600 mV, 13 kHz 586.0 mV 614.0 mV
4 6 V 675 mV, 60 Hz 0.666 mV 0.684 mV
5 6 V 3.3 V, 60 Hz 3.273 V 3.327 V
6 6 V 3.3 V, 20 kHz 3.214 V 3.386 V
7 60 V 6.75 V, 60 Hz 6.68 V 6.82 V
8 60 V 33 V, 60 Hz 32.75 V 33.25 V
9 600 V 67.5 V, 60 Hz 66.8 V 68.2 V
10 600 V 330 V, 60 Hz 327.5 V 332.5 V
11 600 V 330 V, 2.5 kHz 323.0 V 337.0 V
12 1000 V 100 V, 60 Hz 97 V 103 V
13 1000 V 1000 V, 1 kHz 986 V 1014 V

Fluke 28 II Ex Specifications

General

Diode test	Yes
Product type	Digital multimeter
Product color	Black, Red
Frequency range	0.0005 - 199.99 kHz
DC current range	0.0000001 - 10 A
DC voltage range	0.0001 - 1000 V
Resistance range	0.1 - 50000000 Ω
Measuring category	CAT IV 600V
Placement supported	Handheld multimeter
Basic accuracy (frequency)	0.005%
Basic accuracy (DC current)	0.2%
Basic accuracy (DC voltage)	0.05%
Temperature measurement range	-200 - 1090 °C
Battery type	AAA
Power source	Battery
Battery technology	Alkaline
Number of batteries supported	3
Operating altitude	0 - 2000 m
Maximum storage altitude	10000 m
Operating relative humidity (H-H)	0 - 80 %

Weight and Dimensions

Depth	198.1 mm
Width	100 mm
Height	6.35 mm
Weight	698.5 g