Product Overview
The Fluke 28 II Ex is an intrinsically safe True-RMS digital multimeter from Fluke, designed and certified for use in explosive atmospheres. The instrument is ATEX-approved (II 2G Ex ia IIC T4 Gb and I M1 Ex ia I Ma) and is listed by Fluke under part number 4017165 as the ATEX-approved variant.Technical Characteristics
- True-RMS measurement of AC voltage and current
- Measurement ranges: up to 1000 V AC/DC and up to 10 A AC/DC (note: reduced measurements required in Ex zones)
- Safety rating: IEC measurement safety CAT III 1000 V / CAT IV 600 V
- IP rating: IP67 (sealed reinforced casing)
- Mechanical robustness: tested for drops up to 3 m (10 ft) with holster
Documentation: See manufacturer's datasheet
Typical Applications
- Use in Class 1, Division 1 – Zone 1 and 2 (gas) areas where Ex-approval is required
- Designed for use in petroleum, chemical, and pharmaceutical environments, as indicated in the manufacturer's technical text
Specifications
- Product name: Fluke 28 II Ex
- Manufacturer: Fluke
- Manufacturer part number: 4017165
- ATEX certification: II 2G Ex ia IIC T4 Gb; I M1 Ex ia I Ma
- Other approvals: Class I Zone 1 AEx ia IIC T4; Class I, Division 1, Groups ABCD T4; IECEx, ANZEx, etc. (see manufacturer for full list)
- Measurement capabilities: up to 1000 V AC/DC; up to 10 A AC/DC (Ex zones may require reduced measurements)
- Basic measurement accuracy (examples from datasheet):
- DC voltage: ±(0.05 % + 1)
- AC voltage: ±(0.7 % + 4)
- DC current: ±(0.2 % + 4)
- AC current: ±(1.0 % + 2)
- Display: 6000 counts / 19,999 in high-resolution mode
- Frequency: up to 199.99 kHz
- Capacitance range: 10 nF to 9999 μF
- Temperature measurement: -200 °C to +1090 °C (indicated in datasheet; requires appropriate probe)
- Power supply: 3 x AAA batteries (batteries must be Ex-approved according to manufacturer); typical operating time 400 hours without backlight
- Physical: size with holster 6.4 cm x 10.0 cm x 19.8 cm; weight with holster 698 g
- Warranty: 3 years (indicated in datasheet)
Sources
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