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Table of Contents
Related Manuals for Extech Instruments 422123
Summary of Contents for Extech Instruments 422123
- Page 1 User's Manual Precision Multifunction Calibrator Model 422123...
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Page 2: Specifications
Introduction Congratulations on your purchase of the Extech 422123 Precision Multifunction Calibrator. This device can source mA, mV, V, Temperature (C/F) and Frequency. Its 24V loop power supply drives current loads to 1000Ω. This device also offers STEP and AUTO RAMP features. -
Page 3: Meter Description
6. If the circuit under calibration opens or if the load that the meter is driving is greater than 1000Ω, the meter will display the OL (overload) alarm warning and a series of alarm tones will sound. Model 422123 Ver. 1.1 April 2001... - Page 4 LCD digits string; this provides the full display resolution required. 5. All frequencies below 125Hz are available in 1 Hz steps. Selected frequencies from 125 to 62,500 Hz are available per the list in the Appendix table at end of manual. Model 422123 Ver. 1.1 April 2001...
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Page 5: Advanced Functions
5. For example, for a 4 to 20mA output type and a step percentage of 25%, the following steps are possible: 0% = 4mA 25% = 8mA 50% = 12mA 75% = 16mA 100% = 20mA Model 422123 Ver. 1.1 April 2001... -
Page 6: Maintenance
For periodic calibration, NIST certification or repair of any Extech product, call customer service for details on services available. Extech recommends that calibration be performed on an annual basis to insure calibration integrity. Tech Support Hotlines 781-890-7440 ext. 200 extech@extech.com www.extech.com Model 422123 Ver. 1.1 April 2001... - Page 7 1582.27 1602.56 1623.37 1644.73 1666.66 1689.18 1712.32 1736.11 1760.56 1785.71 1811.59 1838.23 1865.67 1893.93 1923.07 1953.12 1960.78 1968.50 1976.28 1984.12 1992.03 2000.00 2008.03 2016.12 2024.29 2032.52 2040.81 2049.18 2057.61 2066.11 2074.68 2083.33 2092.05 2100.84 Model 422123 Ver. 1.1 April 2001...
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Page 8: Warranty
50000.00 55555.55 62500.00 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.