BK Precision 8500B Programmable DC Electronic Loads

Input ratings

- Input voltage: 0 to 150 V

- Input current: Low: 0 to 3 A; High: 0 to 30 A

- Input power: 300 W

- Minimum operating voltage: Low: 0.14 V at 3 A; High: 1.4 V at 30 A

CV mode: 

- Range: Low: 0.1 to 18 V; High: 0.1 to 150 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; High: 0 to 3 A

- Resolution: Low: 0.1 mA; High: 1 mA

- Accuracy: Low: ±(0.05% + 0.05% FS); High: ±(0.05% + 0.05% FS)

CR mode

- Range: Low: 0.05 Ω to 10 Ω; High: 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: 300 W

- Resolution: 10 mW

- Accuracy: ±(0.1% + 0.1% FS)

Transient mode (CC mode)

- T1 & T2: 50 µs to 3600 s/Resolution: 1 µs

- Accuracy: 5 µs ± 100 ppm

- Slew rate: Low: 0.0001 to 0.2 A/µs; High: 0.001 to 0.8 A/µs

Readback voltage

- Range: Low: 0 to 18 V; High: 0 to 150 V

- Resolution: Low: 0.1 mV; High: 1 mV

- Accuracy: ±(0.05% + 0.05% FS)

Readback current:

- Range: Low: 0 to 3 A; High: 0 to 30 A

- Resolution: Low: 0.1 mA; High: 1 mA

- Accuracy: ±(0.05% + 0.05% FS)

Readback power: 

- Range: 300 W

- Resolution: 10 mW

- Accuracy: ±(0.1% + 0.1% FS) 

Protection range (typical)

- OPP: 320 W

- OCP: Low: 3.3 A; High: 33 A

- OVP: 160 V

- OTP: 185 °F (85 °C)

Short circuit (typical): 

- Current: (CC): Low: 3.3 A; High: 33 A

- Voltage: 0 V

- Resistance: 40 mΩ

Input terminal impedance (typical):  150 kΩ 

AC input: 110 V/220 V ±10%, 50/60 Hz

I/O Interface: DB9 (TTL) with TTL to USB serial adapter

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 %

Dimensions: (W x H x D) 8.5” x 3.5” x 14” (214.5 x 88.2 x 354.6 mm) 

Weight: 10.3 lbs (4.7 kg) 

Standard accessories: Power cord, certificate of calibration, USB to TTL serial converter IT-E132B, USB cable

Optional accessories: TLPWRI high current test leads, IT-E151 rackmount kit