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BK Precision 8542B 150W Programmable DC Electronic Load

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SKU

8542B

Manufacturer:

B&K Precision

Key Features:

Maximum input power up to 150 W
CC/CV/CR/CW operating modes
Transient mode up to 10 kHz in CC mode
16-bit voltage and current measurement system with up to 0.1 mV / 0.1 mA resolution
List mode and adjustable slew rate in CC mode
Short circuit test
Built-in battery test function with voltage level, capacity level, and timer stop conditions
CR-LED mode to simulate the loading behavior of typical LEDs
Remote voltage sensing to compensate for the effect of voltage drop in wires
Analog current control and monitoring
TTL (DB9) interface, includes TTL to USB adapter
OVP/OCP/OPP/OTP and local/remote reverse voltage (LRV/RRV) protection

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Product Detail

Crafted for 150V, 30A and 150W the 8542B from BK Precision is perfect for testing and evaluating, batteries, photovoltaic arrays, battery chargers, DC-DC converters and DC power supplies. It’s constructed with a transient mode speed of up to 10 kHz and multi-type input terminals for banana plug or spade connectors and supports both SCPI and the backwards compatible legacy protocol.

Short Description

Model		8542B	8500B	8502B	8510B	8514B
Input ratings
Input voltage		0 to 150 V	0 to 150 V	0 to 500 V	0 to 120 V	0 to 120 V
Input current	Low	0 to 3 A	0 to 3 A	0 to 3 A	0 to 12 A	0 to 24 A
	High	0 to 30 A	0 to 30 A	0 to 15 A	0 to 120 A	0 to 240 A
Input power		150 W	300 W	300 W	600 W	1500 W
Minimum operating voltage	Low	0.25 V at 3 A	0.14 V at 3 A	0.6 V at 3 A	0.2 V at 12 A	0.25 V at 24 A
	High	2.5 V at 30 A	1.4 V at 30 A	3 V at 15 A	2 V at 120 A	2.5 V at 240 A
CV mode
Range	Low	0.1 to 18 V		0.1 to 50 V	0.1 to 18 V
	High	0.1 to 150 V		0.1 to 500 V	0.1 to 120 V
Resolution	Low	1 mV
	High	10 mV
Accuracy	Low	±(0.05% + 0.02% FS)
	High	±(0.05% + 0.025% FS)
CC mode
Range	Low	0 to 3 A		0 to 3 A	0 to 12 A	0 to 24 A
	High	0 to 30 A		0 to 15 A	0 to 120 A	0 to 240 A
Resolution	Low	0.1 mA			1 mA	1 mA
	High	1 mA			10 mA	10 mA
Accuracy	Low	±(0.05% + 0.05% FS)
	High	±(0.05% + 0.05% FS)
CR mode
Range	Low	0.05 Ω to 10 Ω		0.3 Ω to 10 Ω	0.05 Ω to 10 Ω	0.05 Ω to 10 Ω
	High	10 Ω to 7.5 kΩ		10 Ω to 7.5 kΩ	10 Ω to 7.5 kΩ	10 Ω to 7.5 kΩ
Resolution		16 bit
Accuracy	Low	0.01% + 0.08 S (0.01% + 12.5 Ω)
	High	0.01% + 0.0008 S (0.01% + 1250 Ω)
CW mode
Range		150 W	300 W	300 W	600 W	1500 W
Resolution		10 mW	10 mW	10 mW	10 mW	10 MW
Accuracy		±(0.2% + 0.2% FS)	±(0.1% + 0.1% FS)		±(0.2% + 0.2% FS)
Transient mode (CC mode)
T1 & T2(1)		50 µs to 3600 s/Resolution: 1 µs			100 µs to 3600 s/Resolution: 1 µs
Accuracy		5 µs ± 100 ppm				10 µs ± 100 ppm
Slew rate (2)	Low	0.0001 to 0.2 A/µs		0.0001 to 0.2 A/µs	0.001 to 0.2 A/µs	0.001 to 0.3 A/µs
	High	0.001 to 1 A/µs	0.001 to 0.8 A/µs	0.001 to 0.4 A/µs	0.01 to 0.8 A/µs

Note: All specifications apply to the unit after a temperature stabilization time of 30 minutes over an ambient temperature range of 23 °C ± 5 °C.

(1) Fast pulse trains with large transitions may not be achievable.
(2) The slew rate specifications are not warranted but are descriptions of typical performance. The actual transition time is defined as the time for the input to change from 10% to 90%, or vice versa, of the programmed current values. In case of very large load changes, e.g. from no load to full load, the actual transition time will be larger than the expected time. The load will automatically adjust the slew rate to fit within the range (high or low) that is closest to the programmed value.

Model		8542B	8500B	8502B	8510B	8514B
Readback voltage
Range	Low	0 to 18 V		0 to 50 V	0 to 18 V
	High	0 to 150 V		0 to 500 V	0 to 120 V
Resolution	Low	0.1 mV		1 mV	0.1 mV
	High	1 mV		10 mV	1 mV
Accuracy		±(0.05% + 0.05% FS)
Readback current
Range	Low	0 to 3 A		0 to 3 A	0 to 12 A	0 to 24 A
	High	0 to 30 A		0 to 15 A	0 to 120 A	0 to 240 A
Resolution	Low	0.1 mA			1 mA
	High	1 mA			10 mA
Accuracy		±(0.05% + 0.05% FS)
Readback power
Range		150 W	300 W	300 W	600 W	1500 W
Resolution		10 mW
Accuracy		±(0.1% + 0.1% FS)			±(0.2% + 0.2% FS)
Protection range (typical)
OPP		160 W	320 W	320 W	620 W	1550 W
OCP	Low	3.3 A		3.3 A	13 A	26.7 A
	High	33 A		16 A	130 A	267 A
OVP		160 V		530 V	125 V	125 V
OTP		185 °F (85 °C)			203 °F (95 °C)	185 ºF (85 ºC)
Short circuit (typical)
Current (CC)	Low	3.3 A	3.3 A	3.3 A	13 A	26.7 A
	High	33 A	33 A	16 A	130 A	267 A
Voltage (CV)		0 V
Resistance (CR)		80 mΩ	40 mΩ	180 mΩ	15 mΩ	8 mΩ
General
Input terminal impedance (typical)		150 kΩ		1 MΩ	150 kΩ
AC input		110 V/220 V ±10%, 50/60 Hz
I/O Interface		DB9 (TTL) with TTL to USB serial adapter				USB, RS232
Temperature	Operating	32 °F to 104 °F (0 °C to 40 °C)
	Storage	14 °F to 140 °F (-10 °C to 60 °C)
Humidity		Indoor use, ≤ 95 %
Safety		EN 61010-1:2010, Low Voltage Directive (LVD) 2014/35/EU
Electromagnetic compatibility		EN61326-1:2013, CISPR 11, EN 61000-3-2:2014, EN61000-3-3:2013, EMC Directive 2014/30/EU
Dimensions (W x H x D)		8.5” x 3.5” x 14” (214.5 x 88.2 x 354.6 mm)			8.5” x 3.5” x 18.5” (214.5 x 88.2 x 470 mm)	17.2” x 3.5” x 18.5” (436.5 x 88.2 x 470 mm)
Weight		10.3 lbs (4.7 kg)			15.8 lbs (7.2 kg)	45 lbs (20.5 kg)
Warranty		3 years
Standard accessories		Power cord, USB cable, certificate of calibration, USB to TTL serial converter IT-E132B(3), rack-mount ears(4)
Optional accessories		TLPWRI high current test leads, IT-E151 rackmount kit