Product selection guide: Solar industry tools

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	Fluke 87V MAX True-rms Digital Multimeter	Fluke 1507 Insulation Resistance Tester

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Basic features

Auto / manual ranging
Basic DC accuracy	0.05 %
Counts	20000
Digits	4.5
True RMS readings	AC
Wide bandwidth	20 kHz

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

Warranty and safety

Dangerous voltage indication
EN61010-1 CAT III	1000 V
EN61010-1 CAT IV	600 V
Input alert
IP rating	IP 67
Warranty	Lifetime

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
Two-level backlight

Features

PI/DAR timed ratio test
Insulation test voltages		50 V, 100 V, 250 V, 500 V, 1000 V
Insulation resistance		0.01 MΩ to 10 GΩ
Auto-discharge of capacitive voltage
Resistance		0.01 MΩ to 20 KΩ
Warranty		1 year
Remote probe, test leads, alligator clips
Rugged, utility hard case
Auto power off

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