Lutron Voltage CC-421 is a voltage/current calibrator, portable handheld voltage and current calibrator used to test and calibrate industrial process devices and measure signals.
Features :
- The instrument powers or measure a two-wire current loop.
- Four function provide the quality and accuracy of handheld calibrator :
- Precision current source.
- Measurement of a current signal.
- Power and measurement of two wire loop.
- Precision DC mV source.
- Portable instrument for calibrating process devices and measuring process signals.
- Adjustable 0-24 mA current source.
- Adjustable -199.9 mV to + 1.99.9 mV voltage source.
- Current calibrator drives loads up to 500 ohms.

General Specifications :
- Function : Current source, current measurement, Power and current measurement of two wire loop, DC mv source.
- Sampling Time : Approx. 0.4 second.
- Operating Temperature : 0 to 50C [ 32 to 122F ]
- Operating Humidity : Less than 80% RH
- Power Supply : 006P DC 9V, MN1604/PP3 battery or equivalent. Alkaline type or heavy duty type.
- Dimension : 185 x 78 x 38 mm { 7.3 x 3.0 x 1.5 inch }
- Weight : 265 g / 0.58 LB