• 72-7245 Tenma DC Power Supply
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72-7245 Tenma DC Power Supply Used

72-7245 Tenma DC Power Supply Used

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Features:

  • Dual Output Bench Power Supply
  • 2 Independent isolated output
  • Four “3 digits” LED displays
  • 0.01% Load and line regulation
  • Low ripple and noise
  • Tracking operation and auto series/parallel operation
  • Output on/off switch
  • Fan speed control circuit to minimize fan noise
  • Over load and reverse polarity protection
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Specifications
Datasheets

Output Mode-Channel 1 & 2

  • Voltage: 0 ~ 30V 
  • Current: 0 ~ 3A
  • Tracking Series Voltage: 0 ~ 60V
  • Tracking Parallel Current: 0 ~ 6A

Constant Voltage Operation (CH1, CH2)

  • Line Regulation: ≤ 0.01% + 3mV
  • Load Regulation: ≤ 0.01% + 3mV (rating current < 3A); ≤ 0.02% + 5mV (rating current > 3A)
  • Ripple & Noise: ≤ 1mVrms , 5Hz ~ 1MHz
  • Recovery Time: ≤ 100 S (50% Load change, Minimum load 0.5A)

Constant Current Operation (CH1, CH2)

  • Line Regulation: ≤ 0.2% + 3mA
  • Load Regulation: ≤ 0.2% + 3mA
  • Ripple & Noise: ≤ 3mArms

Tracking Operation (CH1, CH2)

  • Tracking Error: ≤ 0.5% + 10mV of CH1
  • Series Regulation: ≤ 0.01% + 5mV
  • Load Regulation: ≤ 300mV
  • Ripple & Noise: ≤ 2mVrms , 5Hz ~ 1MHz

Meter

  • Digital: 3 digits 0.5” LED display
  • Accuracy ±(0.5% of rdg + 2 digits)

Insulation

  • Chassis and Terminal: ≥ DC 500V / 20MΩ
  • Chassis and AC Cord: ≥ DC 500V / 30MΩ

Power Source

  • AC 100V/120V/220V +10%, 230V(+10% ~ -6%), 50/60Hz

The Tenma 72-7245 is a 2-channel, 180W output, linear DC power supply. Overload and reverse polarity protection and an output on/off switch keep the product and its load safe from unexpected conditions. A High regulation (0.01%+3mV) and low ripple/noise (< 1mVrms, 5Hz~1MHz)are maintained for channel 1 and 2 in constant voltage mode. Automated cooling fan speed control minimizes fan noise according to load conditions, ensuring quiet operation. The product is an ideal solution for lightweight, inexpensive bench-top or portable applications requiring high regulation and multiple outputs.

Model No

72-7245

Condition

Used

Manufacturer

Tenma

Current

3 A

Voltage

30 V

Power

180 W

Tenma 72-7245
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