Fluke 28IIEX/ETL Intrinsically Safe True-Rms Digital Multimeter, LCD Display, -200 to +1090 Degrees C Temperature Range, 7.8" Length x 3.93" Width x 2.5" Height

Price: $1,599.99
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Manufacturer Description

The Fluke 28 II intrinsically-safe digital multimeter (also known as a multitester) is a true RMS, auto- and manual-ranging meter used in electrical testing applications to measure voltage, current, conductance, duty cycle, capacitance, frequency, and temperature, and perform resistance, continuity, and diode tests. This intrinsically safe meter is designed for use in Ex-rated areas, such as oil refineries, mines, and pharmaceutical plants. The meter is waterproof, dust-proof, and drop-proof, and is rated Ingress Protection certified IP67. A low-pass filter ensures accurate voltage and frequency measurements and percent of duty cycle measurements help diagnose variable-speed motor drives (VSDs) and switching power supplies. A capacitance range of 10,000 microfarads tests components and motor caps, and capacitance measurements perform high resistance and leakage tests. Data features include minimum, maximum, average, and peak capture to automatically record transients and measurement variations. Relative mode removes test lead interference on resistance measurements. An alarm sounds when the test leads are connected to the wrong jack for the measurement being taken. Backlit keypad buttons provide visibility in low lighting, and a reversible holster protects the display when not in use.

This true RMS (root mean square) insulation multimeter provides accurate readings when measuring linear loads, such as standard induction motors and incandescent lights, where the current or voltage has an undistorted waveform, or nonlinear loads, such as electronic devices or motors, where the current or voltage has a distorted waveform. When turned on, the meter is in auto-ranging mode and automatically selects the correct operating range for the property being measured. It can be switched to manual-ranging mode, which allows the operator to choose the appropriate operating range. The display has two-level bright white backlight for increased visibility and a 20,000-count resolution, meaning it can display up to 19,999 units in high-resolution mode (4-1/2 digit) before the operating range needs to be changed. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified Category III installations up to 1000V, which covers items used with enclosed building circuit installations (such as service panel parts, branch circuits, and fixed installations that are connected directly to a building's AC power supply), Category IV installations up to 600V, which covers equipment at the origin of the installation (such as electricity meters and primary over-current protection equipment), and Pollution Degree 2 for indoor use.

Maximum alternating current (AC) and direct current (DC) input10 amp
Maximum AC and DC voltage input1000V
Maximum resistance detected50 megohms
Maximum frequency199.99kHz
Maximum capacitance9999 microfarads
Temperature range (excluding probe)-200 to +1090 degrees C/-328 to +1994 degrees F
Duty cycle range0 to 99.9%
Other featuresDiode test
Power supply3 AAA batteries with average 400 hour lifespan
Safety ratingsATEX: II 2 G Ex ia IIC T4 GbII 2 D Ex ia IIIC T130 degrees C DbI 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 degrees C Db, Ex ia I Ma
Dimensions7.8 x 3.93 x 2.5 inches/19.81 x 10 x 6.35cm

H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Multimeters are electrical test meters that measure multiple properties of an electrical circuit, such as current, voltage, resistance, capacitance, and continuity. Available in handheld or benchtop models, multimeters diagnose electrical problems in electrical equipment, wiring, and power supplies. A variety of probes, clamps, and leads can be used to connect the meter to a circuit or device. Multimeters display information either in analog or digital form. Factors that influence meter choice include the electrical properties to be measured, the anticipated range of results, and the desired level of protection against transient voltage. Safety ratings are based on International Electrotechnical Commission (IEC) standards for low-voltage test equipment. IEC 61010 delineates four overvoltage installation categories. In general, a meter with a category IV rating will provide more protection against transient voltages than a meter with a lower category rating.

Fluke Corporation manufactures electrical testing tools and software for industrial and commercial applications. The company, founded in 1948, is headquartered in Everett, WA.

What's in the Box?
  • Fluke 28IIEX/ETL intrinsically safe multimeter
  • K-type thermocouple
  • Rubber holster
  • Instructions

Product Features

Manual- and auto-ranging intrinsically safe digital multimeter for use in dangerous or explosive atmospheres including oil refineries, mining operations, and pharmaceutical plants True RMS meter provides accurate readings when measuring linear or nonlinear loads where the current or voltage has a sinusoidal or nonsinusoidal waveform Measures voltage, current, conductance, duty cycle, capacitance, frequency, and temperature, and performs resistance, continuity, and diode tests Low-pass filter blocks unwanted voltages when measuring AC voltage and AC frequency to provide accurate measurements on inverters and variable-frequency motor drives Certifications and safety standards include Ingress Protection certified IP67; Class I, Div. 1 - Zone 1 and 2 (gas); Class II- Zone 21 (dust); Class II, Div. 1; Temperature Class T4; Category III installations up to 1000V, Category IV installations up to 600V, and Pollution Degree 2 for indoor use.

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