KDJBS-30 is a lightweight handheld tester with 4-channel voltage & 3-channel current output. High precision (0.1%), OLED display, rechargeable lithium battery (8h working time). Compact, low power, full test functions for on-site quick maintenance.

• Ultra-light 2.6kg, smaller than A4 paper for easy carrying
• 8-hour long battery life with low-power design
• Industrial OLED display for clear outdoor reading
• Built-in overheat & overload protection for safe operation
• Supports harmonic simulation and sequence component test
• High-speed I/O with 0.1ms time resolution

• AC voltage: 4 channels, 0–130V, accuracy ≤0.1%, phase 0–360°
• AC current: 3 channels, 0–10A, accuracy ≤0.1%, THD ≤0.5%
• Frequency: 0–500Hz, supports 10th harmonic simulation
• Digital input: 2 channels, 500V isolation, 1ms timing accuracy
• Digital output: 2 channels, optocoupler, 0.1ms resolution
• Battery: 16.8V DC charge, 8-hour continuous working
• Dimensions: 255×210×78mm, Weight: 2.6kg
• Protection: Overload, overheat, distortion auto-detection