Martel Electronics MS-420 Data sheet

PO Box 897 Windham, NH 03087

Fax:[phone] • Tel: [phone] • 1-800-821-0023

E-mail: sales@mar telcor p.com • www.martelcorp.com

MS-420

Mini-Source Portable Calibrator

This multi purpose process loop tool
offers high accuracy in an ultra-small,
rugged package. The MiniSource Process
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.

Typical Applications:

n

Chart Recorder

n

Panel Meter

n

Data Acquisition

n

Other Process Instruments

Specifications

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"

Each Unit Includes:

9 V battery, NIST Certificate, and
instruction manual