The Digital Multimeter shall be ATEX compliant (explosion proof) and IS (Intrinsically Safe) True RMS Digital Multimeter Fluke 28 II Ex complete with carrying case, operations/service manuals and electronic combo test leads kit for use in hazardous areas with the technical specifications given below. 
Components
a) True RMS EXII IS a digital Multimeter,
b) Operation and Service Manuals
c) Calibration certificate
d) Compact lightweight soft case.
e) Industrial strength test lead probe kit:-
• Grip Silicone Test Lead Set, one pair (red, black) >1.5m test leads with safety-shrouded std. diameter banana plugs. 
• Electronic Test Probe Set, one pair (red, black) of very small 1mm tips to access hard to hard-to-reach test points with replaceable steel and spring-loaded gold tips.
• Grip Hook Clip Set, one pair (red, black) profile narrows to 5.6mm at tip, hook opening 6.4mm at the front, 2mm at the base with
• Integrated DMM Temperature Probe, one pair (red, black) Type-K thermocouple with standard banana jack 
No. Parameter Value
1)  Functions Measured: AC/DC Current, AC/DC Voltage, Capacitance, Diode, Duty Cycle, Frequency, Resistance, Conductance, Temperature
2)  True RMS: Yes
3)  Voltage Measurement Range: 0.1 mV to 1000 V
4)  Voltage Measurement Resolution: 0.1 mV
5)  DC Voltage Measurement Accuracy: ±0.05% + 1digit
6)  AC Voltage Measurement Accuracy: ±0.7% +4digit
7)  Current Measurement Range: 0.1 μA to 20 A
8)  Current Measurement Resolution: 0.01A 
9)  DC Current Measurement Accuracy: ±0.2% + 4digits
10)  AC Current Measurement Accuracy: ±1.0% + 2digits
11)  Resistance Measurement Range: 0.1 Ω to 50 MΩ 
12)  Resistance Measurement Resolution: 0.1Ω
13)  Resistance Measurement Accuracy: ±0.2% + 1digit
14)  Conductance Measurement Range: 60.00 nS 
15)  Conductance Measurement Accuracy: ±1.0% + 10digits
16)  Diode Test Measurement Range: 2.0 V
17)  Diode Test Measurement Accuracy: ±2.0% + 1digit
18)  Duty Cycle Measurement Range: 0.0% to 99.9%
19)  Duty Cycle Measurement Accuracy: ±(0.2% per kHz + 0.1%) for rise times <1 µs
20)  Conductance Measurement Range: 60.00 nS 
21)  Conductance Measurement Accuracy: ±1.0% + 10digits
22)  Capacitance Measurement Range: 10 nF to 9999 μF
23)  Capacitance Measurement Accuracy: ±1.0% + 2digits
24)  Measurement Frequency range: 0.5 Hz to 199.99 kHz
25)  Frequency Measurement Accuracy: ±0.005% + 1digit
26)  Frequency Measurement resolution: 0.01 kHz
27)  Temperature Measurement range: -200°C to +1090°C 
28)  Temperature Measurement Accuracy: ±1.0% + 10digits
29)  Temperature Measurement Resolution: 0.1°C
30)  Battery Life: > 400 hours
31)  Mechanical and General Specifications: Handheld, Lightweight < 700g 63.5 x 100 x 198.1mm
32)  Display Type: LCD with backlight
33)  Shock Resistance: Tested for drops > 3 meters
34)  Safety Certification   ATEX 
Over Voltage Protection
Intrinsic Safety II 2 G Ex ia IIC T4 Gb 
II 2 D Ex ia IIIC T130°C Db 
I M1 Ex ia I Ma
EN 61010–1 to 1000V CAT III
EN 61010–1 to 600V CAT IV
1 to 600V CAT IV IP rating IP67
35)  External Protection: RED Rubber holster
36)  Calibration Certificate: UKAS or RS or internationally recognized accredited calibration body
37)  Warranty: Three Years