User Guide
Features:
• Upgraded models now feature super large
LCD display and touch keypad
• LCD displays readings in mA or as a % of the
0 to 24mA range or as mV in voltage ranges
• Five stored calibration values for fast calibrations
• 412355A Current + Voltage Calibrator provides
adjustable 0 to 24mA and 0 to 20V calibration source
• 412300A Current Calibrator provides 0 to 24mA output
displayed as mA or % and provides 24VDC power to
measure a two-wire current loop
• Complete with 9V battery, calibration cable with
spade lug terminals, carrying case, and
100V-240V AC Universal Adaptor (50/60Hz)
Applications:
• Setup and calibration of process devices such as
transducers, indicators, recorders and controllers
• Troubleshooting and Field service
• Product design
Specifications subject to change without notice.
Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
6/11/08 - R1
Precision “source” for calibrating process devices
And measuring DC process signals from 0 to 24mA and 0 to 20V
Current & Voltage Calibrators/Meters
Ordering Information:
412300A ..............Current Calibrator/Meter
412300A-NIST ....412300A with NIST Certificate
412355A ..............Current & Voltage Calibrator/Meter
412355A-NIST ....412355A with NIST Certificate
Includes:
9V battery, calibration cable with
spade lug terminals, carrying case,
and 100V-240V AC Universal
Adaptor (50/60Hz)
Measurements Range
Operating Modes
Source Output 0 to 24mA current for loads up to 1000 ohms
Output 0 to 20V (412355A only)
Measure 0 to 50mA current signal
0 to 19.99V (412355A only)
Power/Measure Provides power (24VDC) to loop & measures current (412300A only)
Input/Output Ranges and Display Resolution
-25.0 to 125.0% (representing 0 to 24mA) 0.1%
0 to 19.99mA 0.01mA
0 to 24.0mA 0.1mA
0 to 1999mV 1mV
0 to 20.00V 10mV
Accuracy 0.075% ±1 digit
Power 9V battery or AC adaptor
Dims/Wt 3.8 x 4.2 x 1.8" (96 x 108 x 45mm) folded/ 12oz (340g)
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com