Fixed Carbon resistor 1/4 watt and 5%~10% tolerance.

NOTE: The power supply with this KIT is +65V/12A Riden RD6018W DC Power Supply Variable Adjustable Lab Bench Power Supply Buck Converter Step Down Switching Regulated 4-Digital LCD Display 60V 6A About this item

• 2.4-inch high-definition color screen, support curve display, real-time display output voltage, current, power curve.
• Professional equipment calibration, using high-precision sampling chip, 4-bit resolution, the detection data error is smaller and more accurate.
• All-round load protection, safe and reliable. The output overvoltage (OVP) / overcurrent (OCP) can be set. If it exceeds the set value, it will automatically stop to prevent damage to the electrical equipment.
• Equipment power supply suitable for scientific research laboratories, automated production line testing, electronic instrument maintenance and other places.
• Battery charging, suitable for various types of battery charging (up to 60v)

Specifications: 

• Display screen: 2.4 inch color LCD display
• Output voltage current range: 0-60.00V, 0-18.000A
• Output voltage current measurement resolution: 0.01V， 0.001A
• Output power range: 0-1080W
• Battery voltage measurement resolution: 0.01V
• Output voltage current accuracy: ±(0.3%+3 digits)， ±(0.5%+5 digits)
• Battery voltage measurement accuracy: ±(0.5%+3 digits)
• Output ripple typical: 100mV VPP
• Constant voltage mode response time: 2ms(0.1A-5A load)
• External sensor temperature detection range: -10℃~100℃/0℉~200℉
• External sensor temperature detection accuracy: ± 3℃/ ± 6℉
• Constant voltage current mode load adjustment rate : ±(0.1%+2 digits)，±(0.1%+3 digits)
• Capacity measurement measurement range: 0-9999.99Ah， 0-9999.99Wh
• Screen brightness setting: 0-5 level total 6 levels
• Capacity and energy statistical error: ±2%
• Working mode: buck mode voltage drop >1V and >10%
• Working temperature range: -10℃~40℃
• Support USB communication: YES
• Support WiFi communication: YES
• Cooling fan start condition:
  • Output voltage>40V or Output current>4A or System temperature>45℃
  • Output current>8A or System temperature>45℃
• Cooling fan shut down condition when working:
  • Output voltage <40V and Output current <3.9A and System temperature <45℃
  • Output current <7.9A and System temperature <45℃

Instruction video for manual:

1. Battery Charging Function Introduction: https://youtu.be/irTbqfqtgU0
2. Output Voltage and Output Current Setting: https://youtu.be/S6Kan66dNsk
3. Data Group Quick Storage and Call out: https://youtu.be/eo5saPjOGpo
4. Keypad lock and unlock: https://youtu.be/zxpmasJyQ6Y
5. System Setting: https://youtu.be/Q9d3rIgIrOc
6. Main Page Style Setting: https://youtu.be/f51VDiY2VHE
7. Storage Data Setting: https://youtu.be/i1kTeurS13I
8. System Information: https://youtu.be/Um4NQObeeJE
9. IOS APP Download, Installation and Connection: https://youtu.be/nH2HYwop0TE
10. IOS APP Operation: https://youtu.be/lXSw1CM9IY8
11. Android APP Download, Installation and Connection: https://youtu.be/QwyBEUCnp9c
12. Anroid APP Operation: https://youtu.be/hqrF4keTfbE
13. PC Software Download and basic operation: https://youtu.be/mjt1RMaah1Y
14. Firmware Upgrade: https://youtu.be/NOoLfDw0DiY
15. Calibration: https://youtu.be/c9sn1wY2mjE
16. Logo Update: https://youtu.be/vuVhBsohWts

Kit Include:

1. The main unit of RD6018W
2. Power Supply +65V 12A
3. Official Encluser
4. Screws, nuts, switch & Plug