Fluke BT521 Battery Analyzer

Reduced testing complexity, a simplified workflow and an intuitive user interface provide a new level of ease-of-use in battery testing.

The ideal test tool for maintenance, troubleshooting and performance testing of individual stationary batteries and battery banks used in critical battery back-up applications
The intuitive user interface, compact design and rugged construction ensure optimum performance, test results and reliability
Covers a broad range of battery test functions ranging from DC voltage and resistance tests to full condition testing using automated string function testing and the test probe integrated infra-red temperature measurement system
Designed for measurements on stationary batteries of all types.

Voltage and Resistance Thresholds

Fluke Battery Analyzers allow you to quickly and easily define upper and lower measurement thresholds or tolerance ranges. During the testing process, measured values are automatically compared to the predefined threshold levels producing a PASS, FAIL or WARN indication after each measurement. A maximum of 10 sets of thresholds can be stored and threshold indications are determined based on the following criterion:

Fluke Battery Management Software

Fluke Battery Management Software Easily allows you to quickly and easily import data from the battery analyzer to a PC. The measurement data and battery profile information is stored and archived with the Management Software and can be used compare results, switch results between conductance and resistance readings and perform trend analysis. All measurement data, battery profile and analysis information can be used to easily generate reports.

Quick view saved readings
Profile management
Histogram of a battery string with end user defined threshold
Historical trend data of batteries
Multiple rounds of discharge voltage
Quick Report Generation
Upgrade Fluke Battery Analyzer firmware
Switch measurement results between conductance and resistance readings

The ideal test tool for maintenance, troubleshooting and performance testing of individual stationary batteries and battery banks used in critical battery back-up applications

Key measurements – Internal battery resistance, dc and ac voltage, dc and ac current, ripple voltage, frequency and temperature.
Sequence measurement mode – Automatic or manual sequence testing of battery strings with automatic measurement storage including voltage, resistance and temperature (with BTL21 intelligent test probe), eliminating the need to press a button each time a measurement needs to be saved.
Comprehensive logging – All measured values are automatically captured during testing and can be reviewed on the instrument before downloading for on the-go analysis.

	Range	Resolution	Accuracy	BT510	BT520	BT520ANG	BT521	BT521ANG
Battery Resistance / Strap Resistance1	3 m?	0.001 m?	1% + 8	?	?		?
			1% +68			?		?
	30 m?	0.01 m?	0.8% + 6	?	?		?
			0.8%+12			?		?
	300 m?	0.1 m?	0.8% + 6	?	?	?	?	?
	3000 m?	1 m?	0.8% + 6	?	?	?	?	?
VDC	6 V	0.001 V	0.09% + 5	?	?	?	?	?
	60 V	0.01 V	0.09% + 5	?	?	?	?	?
	600 V	0.1 V	0.09% + 5	?	?	?	?	?
	1000 V	1 V	0.09% + 5				?	?
VAC (45 Hz to 500 Hz with 800 Hz filter)	600 V	0.1 V	2% + 10	?	?	?	?	?
Frequency (displayed with VAC and AAC)2	500 Hz	0.1 Hz	0.5% + 8	?	?	?	?	?
AC voltage ripple (20 KHz Max)	600 mV	0.1 mV	3% + 20	?	?	?	?	?
	6000 mV	1 mV	3% + 10	?	?	?	?	?
ADC/AAC (with accessory Fluke i410)	400 A	1 A	3.5% + 2				?	?
Temperature	0ï¿½C to 60ï¿½C	1ï¿½C	2ï¿½C (4ï¿½F)				?	?
Meter mode	999 records for each measurement position with time stamp
Sequence mode	Up to 100 profiles and 100 profile templates (Each profile stores up to 450 batteries) with time stamp
1. The measurement is based on AC injection method. The injected source signal is < 100 mA, 1 kHz. 2. Trigger level VAC: 10 mV, AAC: 10 A
Measurement Modes	BT510			BT520			BT521
Resistance (m?)	?			?			?
Battery voltage	?			?			?
Voltage DC	?			?			?
Voltage AC and frequency (Hz)	?			?			?
Ripple volt	?			?			?
Temperature of negative battery post (using BTL21 straight probes)							?
DC and AC current (and frequency)							?
DMM mode	?			?			?
Sequence mode	?			?			?
Discharge measurement mode	?			?			?
Automatic measurement save	?			?			?
Wireless communication							?
Memory view	?			?			?
General Specifications - Battery Analyzer
Size (H x W x D)	22 x 10.3 x 5.8 cm (9 x 4 x 2 in)
Weight	850 g (1.9 lb)
Screen dimensions	7.7 x 5.6 cm (3 x 2.2 in)
Interface	USB mini
Warranty	3 years
General Specifications - BTL20ANG Angled Measurement Probe
Long angled probe (overall length)	242.2 cm (95.38 in)
Short angled probe (overall length)	216.8 cm (85.38 in)
Overall span (coil relaxed)	10.1 cm (4 in)
Overall maximum span (coil extended)	109.2 cm (43 in)
BTL20ANG probe tip angle	20 degrees from horizontal
Environment Specifications
Operating temperature	0ï¿½C to 40ï¿½C
Storage temperature	-20ï¿½C to 50ï¿½C
Lithium-ion battery charging temperature	0ï¿½C to 40ï¿½C
Operating humidity	Non-condensing (10ï¿½C)
	? 80% RH (at 10ï¿½C to 30ï¿½C)
	? 75% RH (at 30ï¿½C to 40ï¿½C)
Operating altitude	Sea level to 2000 meters
Storage altitude	Sea level to 12,000 meters
IP rating	IP40
Radio	FCC Class A
Vibration requirements	MIL-PRF-28800F: Class 2
Drop test requirements	1 meter
Temperature coefficients	Add 0.1 x specified accuracy for each degree C above 28ï¿½C or below 18ï¿½C
Safety compliance	600 V CAT III
EMC	IEC 61326
ROHS	China, Europe
Protection class 2	Pollution Degree II
Battery compliance	UN38.3
	UL2054
	IEC62133
	2 G per IEC68-2-26, 25 G, and 29

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Fluke BT521 Battery Analyzer

Fluke BT521 Battery Analyzer

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