The MS-420 Current Loop
Calibrator offers high accuracy in an ultra-small,
rugged package.
The MiniSource Current Loop Calibrator has the ability to
calibrate or troubleshoot
any 4 mA to 20 mA loop device.
A single pushbutton allows the user to select one of the 5
current outputs (4, 8, 12, 16 or 20 mA)
which can drive up to 300 ohms, or act as a 2-wire simulator
with an external loop power supply
of up to 30 VDC.

MS-420 Current Loop Calibrator
| Model | Description | List Price | Sale Price |
| MS420 | Current Loop Calibrator
Process Calibrator,
includes: Instruction Manual, Battery and Calibration Card |
$275.00 | $258.00 |
| Output: | 5 current steps (4, 8, 12, 16, 20 mA) |
| Accuracy: | ±0.075 of full scale |
| Voltage Compliance: | Source: Internal 9 volt battery Simulate: External supply - up to 30 VDC |
| Temperature Stability: | 100 ppm/°C |
| Power Supply: | 9 volt alkaline battery |
| Battery Life: | 50 hours @ 4 mA out |
| Temperature Range: | Operating: 0° to 50°C Storage: 25° to 60°C Output Terminations: Two alligator clips on 8" leads. |
| Size: | 3.8" x 2.4" x 1.0" |
