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Operating Manual
10.0
Calibration and Repair
A calibration certificate is provided with each model 121 that certifies each instrument against the listed
performance specifications. It is recommended to perform routine calibrations on the amplifier to ensure
accurate operation. The recommended calibration cycle is one year.
Repair of the model 121 amplifier should not be attempted. Should the amplifier not be functioning
correctly, then it should be returned to the factory for further evaluation.
11.0
Ordering Information
Model 121 must be specified in the following manner: 121-X
If X = U, the Model 121 is supplied with NEMA 5-15 USA 3 pin Plug (120V, 60Hz)
If X = E, the Model 121 is supplied with CEE 7/16 Europlug (220V, 50Hz)
If X = A, the Model 121 is supplied with AS-3112 China, Australasia (220V, 50HZ)
Measurement Specialties, Inc.
32 Journey, Suite 150, Aliso Viejo, CA 92656 USA
www.meas-spec.com
19 of 19
TM
+1 949-716-5377
t&m@meas-spec.com
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