Protek 3303L Triple Output 30V 3A Power Supply outputs may be connected in series or parallel. This power supply provides two 3 digit LEDs displays monitor voltage and current for each output. Product Discontinued.

Protek 3305L Triple Output 30V 5A Power Supply outputs may be connected in series or parallel. This power supply provides two 3 digit LEDs displays monitor voltage and current for each output. Product Discontinued.

Protek 310L 30V 10A Power Supply Meter provides excellent load and line regulation. This power supply features an analog meter readout for both voltage and current. Product Discontinued.

Protek 305L 30V 5A Power Supply Meter provides excellent load and line regulation. This power supply features an analog meter readout for both voltage and current. Product Discontinued.

Protek 1230S Switching Power Supply 0-12V 0-30A provides Constant voltage or Constant current operation. This switching power supply features excellent Line, Load and Ripple specification. Product Discontinued.

Protek 1820S Switching Power Supply 0-18V 0-20A provides Constant voltage or Constant current operation. This switching power supply features excellent Line, Load and Ripple specification. Product Discontinued.

Protek 3610S Switching Power Supply 0-36V 0-10A provides Constant voltage or Constant current operation. This switching power supply features excellent Line, Load and Ripple specification. Product Discontinued.

Protek 6006S Switching Power Supply 0-60V 0-6A provides Constant voltage or Constant current operation. This switching power supply features excellent Line, Load and Ripple specification. Product Discontinued.

Protek DI2002 Digital Insulation Tester measures Insulation resistance to 2000MΩ. This digital insulation tester measures AC volts, DC volts, Resistance and Continuity. Product Discontinued.

Protek DA2005 Digital Analog Insulation Tester measures insulation resistance to 100,000MΩ. This digital analog insulation tester has two auto ranging analog scales indicated by a flashing red or green led. Product Discontinued.

Protek SL1700 Sound Level Meter offers a wide dynamic range and A and C weighting. This sound level meter features a 3 1/2 digit back lit LCD display with Analog bar graph. Product Discontinued.

Protek SL1701 Sound Level Meter Data Logger records 16,000 data point in internal memory. This sound level meter features a 3 1/2 digit back lit LCD display with Analog bar graph. Product Discontinued.