Đồng hồ vạn năng, Đồng hồ vạn năng Fluke, Fluke

Đồng hồ vạn năng FLuke 87V Ex

Industrial Multimeters:
Fluke 87V Ex Intrinsically Safe True RMS Multimeter

Tính năng Đồng hồ vạn năng Fluke 87V Ex

The Fluke 87V Ex Features:

ATEX safety rating for use in Ex-zone 1 and zone 2
CAT IV 600 V electrical safety rating
Unique function for accurate voltage and frequency measurements on variable speed motor drives (VSD’s)
Large display with bright, two-level backlight makes the 87V Ex easy to read in all lighting environments
Built-in thermometer (probe included)
True-rms ac voltage and current for accurate measurements on non-linear signals
4-1/2 digit mode for precise measurements (20,000 counts)
Measure up to 1000 V and 10 A (ac/dc)
Frequency to 200 kHz and % duty cycle
Resistance, continuity and diode test
10,000 μF capacitance range for components and motor caps
Min/Max-Average and Peak capture to record transients and variations automatically
Relative mode to remove test lead interference on resistance measurements
Auto and manual ranging for maximum flexibility
Analog bargraph for fast changing or unstable signals
Input Alert provides

Safety ratings

ATEX safety rating: II 2 G EEx ia IIC T4
Electrical safety rating: EN61010-1 CAT IV 600 V and CAT III, 1000 V

Thông số kỹ thuật Đồng hồ vạn năng Fluke 87V Ex

General Specifications

Voltage DC

Maximum voltage:	1000 V
Accuracy:	± (0.05 % + 1)
Maximum resolution:	10 μV

Voltage AC

Maximum voltage:	1000 V
Accuracy:	± (0.7 % + 2) True-rms
AC bandwidth:	20 kHz
Maximum resolution:	10 μV

Current DC

Maximum amps:	10 A (20 A for 30 seconds maximum)
Amps accuracy:	± (0.2 % + 2)
Maximum resolution:	0.01 μA

Current AC

Maximum amps:	10 A (20 A for 30 seconds maximum)
Amps accuracy:	± (1.0 % + 2)
Maximum resolution:	True-rms 0.01 μA

Resistance

Maximum resistance:	50 MΩ
Accuracy:	± (0.2 % + 1)
Maximum resolution:	0.01 Ω

Capacitance

Maximum capacitance:	9,999 μF
Accuracy:	± (1 % + 2)
Maximum resolution:	0.001 nF

Frequency

Maximum frequency:	200 kHz
Accuracy:	± (0.005 % + 1)
Maximum resolution:	0.001 Hz

Duty Cycle

Maximum duty cycle:	99.90 %
Accuracy:	± (0.2 % per khz +0.1 %)
Maximum resolution:	0.10 %

Temperature

Range:

-200.0 °C to 1090 °C (-328 °F to 1994 °F) excluding probe

80BK Temperature Probe

Range:	-40.0 °C to 260 °C (-40 °F to 500 °F)
Accuracy:	2.2 °C or 2 % whichever is greater

Conductance

Maximum conductance:	60.00 nS
Accuracy:	± (1.0 % + 10)
Maximum resolution:	0.001 nS

Diode

Range:	3 V
Resolution:	1 mV
Accuracy:	± (2 % + 1)

Duty Cycle Range

Accuracy:

Within ± (0.2 % per kHz + 0.1 %)

Measurements restriction in Ex-hazardous area

Voltage:	65 V
Current:	5 A

Environmental Specifications

Operating Temperature

-20 °C to +50 °C

Storage Temperature

-40 °C to +60 °C

Humidity (Without Condensation)

0 % to 80 % (0 °C to 35 °C) 0 % to 70 % (35 °C to 50 °C)

Operating Altitude

2000 m

Safety Specifications

Overvoltage category

EN 61010-1 to 1000 V CAT III, 600 V CAT IV

Agency Approvals

CSA, TÜV

ATEX certification

Ex II 2 G EEx ia IIC T4

Agency Approvals

ZELM 05 ATEX 0274

Mechanical & General Specifications

Size

201 x 98 x 52 mm (with holster)

Weight

12,5 oz. (355 kg) with holster

Display (Digital)

6000 counts updates 4/sec. 19,999 counts in high-resolution mod

Display (Analog)

32 segments, updates 40/sec.

Warranty

1 year

Battery Life

~400 hours typical without backlight

Shock

1 Meter drop per IEC 61010-1:2001

Vibration

Per MIL-PRF-28800 for a Class 2 instrument

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