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Model 412300 and 412355
Current Calibrator and Current & Voltage Calibrator
•
Flip-up display/cover
•
Source and Measure Voltage / Current
•
Hands free operation
•
Battery operated, portable
1. INTRODUCTION
Congratulations on your purchase of Extech's Model 412300 Current Calibrator /
Meter or Model 412355 Current / Voltage Calibrator. With proper care this meter will
provide years of safe, reliable service.
INSTRUCTION MANUAL
1
412300/55es
Ver. 1.5
8/00
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Summary of Contents for Extech Instruments 412300
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Page 1: Instruction Manual
Hands free operation • Battery operated, portable 1. INTRODUCTION Congratulations on your purchase of Extech's Model 412300 Current Calibrator / Meter or Model 412355 Current / Voltage Calibrator. With proper care this meter will provide years of safe, reliable service. 412300/55es Ver. - Page 2 Measure (signal input) Current 0 -50 mA (Maximum) Voltage 0-19.99V (412355 only) Source (signal output) Current 0-24mA Voltage 0-10V (412355 only) Loop Power 12V DC (412300 only) Ranges / Resolution Current 0-19.99mA 0.01mA 0-24.0mA 0.1mA Voltage 0-1999 mV 1 mV (412355 only) 0-10.00V...
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Page 3: Battery Replacement
Move the "ON-OFF" switch to the ON position Adjust the "OUTPUT" control to the desired level. 4.3 Power / Measure Mode (output 12V DC and measure current, 412300 only) Slide the "Function" switch to the "Power/Measure" position. Connect the calibration cable to the device being tested observing polarity. - Page 4 8. WARRANTY EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 for authorization.