Used KEITHLEY 427 #9104688 for sale

KEITHLEY 427 is an electronic test equipment designed for low current measurements. This instrument is a battery-offered, stand-alone source/measure unit for measuring low-level, two-wire currents such as photodiode current sources, photomultiplier tube current sources, and other current sources. It offers dual power supplies, 1uA current source, current ranges from 1uA to 10mA, and 1uV accuracy. 427 is a compact and lightweight device that has a variety of features and capabilities. It has selectable ranges, allowing measurements from picoamperes to milliamperes, with a range resolution of 1µA. Additionally, the multiline LCD display on the model KEITHLEY 427 provides an accurate readout of readings, which is easy for operators to read, understand, and record. 427 offers a number of safety features that make it ideal for both lab and field measurements. These include over-voltage protection, as well as overload and short-circuit protection circuits. Additionally, the device is able to sense the presence of an overtemperature condition due to the internal thermal switch. KEITHLEY 427 has an input terminal block, allowing easy connection to a variety of detectors and other external parts. In addition, 427 is compatible with both KEITHLEY LabView software and common industry test standards, allowing the device to be used with other external components. KEITHLEY 427 comes with an integral isolated reference ground, allowing measurements to be made without requiring a separate ground connection. Additionally, the device can also provide switching and control functions within the circuitry. This eliminates the need to purchase additional external components. Furthermore, 427 comes with a power cord that can be used to power the device from any line voltage from 90 to 240 Volts. This allows for testing at various locations such as industrial applications and in the field. To ensure accuracy, KEITHLEY 427 is powered by both a 6 Volt and a 12 Volt internal source. This combination of sources eliminates problems caused by temperature and voltage fluctuations, giving the user more precise measurements. Overall, 427 is a reliable and precise electronic test equipment for low-level two-wire current measurements. It offers a variety of features and capabilities to make the user's job easier, safer, and more accurate. The combination of features and capabilities make this the ideal device for research and industrial applications.