Руководство по эксплуатации 3Com 61-362

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IDEAL INDUSTRIES INC.
TECHNICAL MANUAL
MODEL: 61-362




The Service Information provides the following information
• Precautions and safety information
• Specifications
• Performance test procedure
• Calibration and calibration adjustment procedure
• Basic maintenance (replacing the battery and fuses)





Form number: 61362
Rev 1. date: May 2001


Form number 61362 rev 1 May 2002

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TABLE OF CONTENTS Title Page Introduction 1 Precautions and Safety Information 1 Safety Information 1 Specifications 2 General Specification 2 Voltage Specifications 2 Current Specifications 2 Resistance Specifications 2 Diode / Continuity Specifications 2 Performance Verification 3 Table 1 Verification 61-362 3 Calibration 4 Replacing the Battery 4

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Page 1 Introduction Warning To avoid shock or injury, do not perform the verification tests or calibration procedures described in this manual unless you are qualified to do so. The information provided in this document is for the use of qualified personnel only. Caution The 61-362 serials contain parts that can be damaged by static discharge. Follow the standard practices for handling static sensitive devices. For additional information about IDEAL INDUSTRIES and its p

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Page 2 General specifications Model 61-362 Characteristics Description Display 3 ½ Digit LCD display Display Count 3200 count, maximum reading 3199 32 segment analog bar graph Over range Indication “OL” displayed Sampling Rate 2 time/second Operating Environment: 0 °C to 50 °C (32 °F to 122 °F) 70%RH Relative Humidity Temperature Coefficient 0.05X x (accuracy) per °F (32 °F to 65 °F, 85 °F to 122 °F Storage Environment: -20 °C to 60 °C (0 °F to 140 °F) at <70 relative

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Page 3 PERFORMANCE VERIFICAITONS Perform the following analysis, if the meter conforms to the limits listed in Table 1 the meter is functioning correctly. If the meter does not conform to any of the listed limits the calibration procedure must be performed. Performance Verification Preparation 1. Turn on the Calibrator, allow calibrator to warm up. Temperature Stabilization should be reached after 30 minutes. 2. Remove battery cover and using a calibrated meter to ens

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Page 4 CALIBRATION Calibration Preparation Required Equipment The class of calibrator or equipment should have an accuracy that exceeds, by an expectable ratio the accuracy of this instrument. 1. Turn on the Calibrator, allow calibrator to warm up. Temperature Stabilization should be reached after 30 minutes. 2. Disconnect the test leads and turn the range switch to “OFF”. 3. Remove the screw holding the bottom case cover, just above the batter

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Page 5 Replacing Fuse (refer to Figure 3) 1. Disconnect the test leads and turn the range switch to “OFF”. 2. Remove the three screws holding the bottom case cover 3 Us a digital multimeter in low resistance {ohms} mode to check the two fuses mA input, 0.5A / 250V fast acting fuse. Amp input, 10A / 600V fast acting fuse 4. Remove the defective fuse with the recommended fuse mA with : 0.5A/250V fast acting fuse Type LA-3895 is recommended. Amp