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# 28 II Ex
Now there’s one intrinsically safe digital multimeter (DMM) you can use in IIC (gas), in Zone 1 and 2 and IIIC (dust), Zone 21 and 22. Whether you work in petroleum, chemical, or pharmaceutical environments, all the test and troubleshooting power you need is packed into the most rugged intrinsically safe (IS) DMM Fluke has ever built. The Fluke 28 II Ex is also waterproof, dust-proof and drop-proof. You’ll be equipped to handle any situation, inside and outside of hazardous zones, without compromising compliance or measurement performance.
All the measurement functions of our most popular industrial DMMs
One tool equips you with all the testing and troubleshooting power you need wherever you go––inside or outside ATEX zones 1,2,21, or 22. No need to carry different meters for different areas, or worry about crossing through an Ex-required zone with a non-Ex rated instrument.
Easy to use
Important extras keep you productive all day long in less than optimal conditions.
Easy to service in the field
Access to the separate battery compartment makes it easy to change batteries or fuses without jeopardizing instrument calibration.
Accuracy Specifications | ||
Accuracy specifications are shown as ±(% of reading + number of digits) | ||
DC voltage | Range | 0.1 mV to 1000 V |
Accuracy | ±0.05% + 1 | |
AC voltage | Range | 0.1 mV to 1000 V |
Accuracy | ±0.7% +4 | |
DC current | Range | 0.1 μA to 10 A |
Accuracy | ±0.2% + 4 | |
AC current | Range | 0.1 μA to 10 A |
Accuracy | ±1.0% + 2 | |
Resistance | Range | 0.1 Ω to 50 MΩ |
Accuracy | ±(0.2% + 1) | |
Conductance | Range | 60.00 nS |
Accuracy | ±(1.0% + 10) | |
Diode test | Range | 2.0 V |
Accuracy | ±(2.0% + 1) | |
Duty cycle | Range | 0.0% to 99.9% |
Accuracy | Within ±(0.2% per kHz + 0.1%) for rise times <1 µs | |
Capacitance | Range | 10 nF to 9999 μF |
Accuracy | ±(1.0% + 2) | |
Frequency | Range | 0.5 Hz to 199.99 kHz |
Accuracy | ±(0.005% + 1) | |
Temperature | Range | -200°C to +1090°C (-328°F to +1994°F) |
Accuracy | ±(1.0% + 10)°C [±(1.0% + 10)°F] | |
Display counts | 6000 counts/19,999 counts in high-resolution mode | |
Peak capture | Record transients up to 250 us | |
Min/Max/Avg recording | Display signals up to approximately 100 ms | |
Accuracy specifications are shown as ±(% of reading + number of digits) | ||
Safety Certifications | ||
ATEX | II 2 G Ex ia IIC T4 Gb | |
II 2 D Ex ia IIIC T130°C Db | ||
I M1 Ex ia I Ma | ||
NEC-500 | Class I, Div 1, Groups A-D, 130°C | |
IEXEx | Ex ia IIC T4 Gb | |
Ex ia IIIC T130°C Db | ||
Ex ia I Ma | ||
GOST R Ex | Overvoltage protection: Measurement Category III, 1000 V, Pollution Degree 2 | |
Measurement Category IV, 600 V, Pollution Degree 2 | ||
IP rating IP67 | ||
General Specifications | ||
Power | ||
Three AAA batteries | ||
Battery life: 400 hours | ||
Display | LCD, with backlight | |
External protection | Rubber holster | |
Manufacturer Warranty | Three years | |
Size with holster (H x W x L) | 6.35 x 10.0 x 19.81 cm (2.5 x 3.93 x 7.8 in) | |
Weight with holster | 698.5 g (1.54 lb) |
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*Demonstrations can only be scheduled within the UAE