Product selection guide: Intrinsically safe

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	Fluke 28 II Ex Intrinsically Safe True RMS Digital Multimeter	Fluke 568 Ex Intrinsically Safe Infrared Thermometer

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Basic features

ATEX II 2G EEX IA IICT4 Safety Rating Zone 1 and Zone 2
Auto / manual ranging
Basic DC accuracy	0.05 %
Counts	20000
Digits	4.5
True RMS readings	AC
Wide bandwidth	20 kHz

Measurements

Capacitance	9,999 µF
Conductance	60 nS
Continuity with beeper
Current AC/DC	10.0 A
Diode test
Duty cycle
Frequency	200 kHz
Microamps
Motor drive measurement
Pulse width
Resistance	50 MΩ
Temperature	+1090 °C
Voltage AC/DC	1000 V

Display

Analog bargraph
Backlight
Two-level backlight

Diagnostics and data

Auto (touch) hold
Display hold
Fast min-max 250 µs	250 µs
Min-max recording
Relative reference

Other features

Automatic power off
Closed case calibration
Completely sealed / watertight
Fuse access
Low battery indication
Operating temperature range	-40 °C to +55 °C
Removable holster
Smoothing
Trigger in / out
Will you use the thermometer in a hazardous location where there might be explosive gases?
Do you want to use industry standard thermocouples?

Warranty and safety

Dangerous voltage indication
EN61010-1 CAT III	600 V
Input alert
IP rating	IP 67
Warranty	Lifetime

Application

Recommended uses

Electrical, refining, pharmaceutical, process industries, mechanical, plant, diesel, HVAC

Contact

Probe type		Thermocouple K
Number of inputs		1
Temperature range		-270 °C to +1372 °C (-454 °F to +2501 °F)

Data storage and download

Number of on-board memory locations

General

What temperature range do you need to measure?		-40 °C to +800 °C (-40 °F to +1472 °F)
Will you be working from greater than 5 m (15 ft)?
Will you be measuring objects 200 °C (400 °F), moving, uncontaminatable, energized objects or difficult to reach objects?

Infrared / non-contact

Non-contact temperature range		-40 °C to +800 °C (-40 °F to +1472 °F)
Accuracy		Greater of ± 1 % or ± 1.0 °C (± 2.0 °F)
Distance to spot (D:S)		50:1
Sighting		Laser point
Typical distance to target		Up to 7.5 m (25 ft)

Physical

Form factor		Pistol
Dimensions, approximate (H x W x D)		17.69 x 5.18 x 16.36 cm (6.965 x 2.039 x 6.441 in)
Battery		3 AAA
Case		Hard case
Warranty		2 years

Measurement Type

Temperature area

Internal, ambient and non-contact surface temperature

Special features

Soft-key feature menu navigation
Multiple language interface
Min-Max-Avg-Dif		Min-Max-Avg-Dif
English, French, Chinese, Spanish, Portuguese, German user interface
Material type adjustment (emissivity)		Material table or 0.1 to 1.00 by 0.01
High and low alarms		High and low alarms
Hazardous location approval
Hands-free logging