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CA310

CA310

  • 厂商:

    EXTECH

  • 封装:

  • 描述:

    CA310 - 300A AC Current Clamp-on - Extech Instruments Corporation.

  • 数据手册
  • 价格&库存
CA310 数据手册
User’s Guide 300 AMP AC CLAMP ADAPTOR OUTPUT VOLTAGE: 1mV AC Per 1A AC CATII 600V CA300 Model CA310 300A AC Current Clamp-on MultiMeter Adaptor Introduction Congratulations on your purchase of the Extech CA310 300 Amp AC Clamp-On MultiMeter Adaptor. With this clamp adaptor an AC current can be safely measured by simply clamping around a single conductor. The adaptor outputs an AC mV signal that is proportional to the measured AC current. The DMM mV reading (times 10) is equivalent to the value of the AC current. Careful use of this device will provide years of reliable service. Specifications Sensor type Measurement Range Adaptor Output Frequency range Working voltage Maximum output impedance Accuracy Temperature coefficient Jaw size Operating Conditions Dimensions/Weight Induction coil 0.1 to 300 Amps AC 10mV AC output to DMM per 1A AC measurement 50/60Hz 600V CAT II (IEC 1010-1) 45Ω ± (3.0% + 10mV) for readings less than 50A ± (2.0% + 5mV) for readings greater than 50A 0.2 times the specified accuracy per C < 18 C or > 28 C 1.2" (30mm) o o 32 to 122 F (0 to 50 C) < 80% RH 3.2 x 6.1 x 1.4" (80 x 156 x 35mm); 7.8 oz. (220g) o o o o o NOTE: Accuracy is specified for a period of one year for ambient conditions 64 F to 84 F o o (18 C to 28 C) < 80% RH. Safety Safety Symbols This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information. This symbol indicates that double insulation is used. WARNING: This indicates that a potentially hazardous condition which, if not avoided, could result in death or serious injury. Safety Precautions 1. WARNING: Improper use of this meter can cause damage, shock, injury or death. Read and understand this manual before operating the meter. 2. Inspect the condition of the test leads and the meter itself for any damage before operating the meter. Repair or replace any damage before use. 3. Do not use on non-insulated conductors at voltages greater than 250VAC rms or DC. AC Current Measurements 1. 2. 3. Set the DMM to the AC mV range or to a low AC voltage range. Connect the RED test lead to the DMM '+' Voltage terminal and the BLACK lead to the '-' COM terminal. Press the Jaw Trigger to open the jaw and clamp around a single conductor. Read mV Set to AC V Voltage input TOR AP CL Incorrect 4. Correct Read the voltage on the DMM display and then divide this reading by 10 to get the current reading in Amps (10mV AC per 1A of AC current). Refer to the TABLE below for examples of interpreting the DMM display: Note: Do not apply voltage to the clamp adaptor’s test leads Note: For small currents, use the RELATIVE function (if available) on the DMM with no wire clamped to zero the meter and improve accuracy. DMM AC Range V range mV range mV range mV range Interpreting the DMM display Current DMM Display 300A 03.00 V 199A 1990 mV 20A 200.0 mV 2A 20.00 mV Display ÷ 10 = A 0.300 199 20 2 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 ext. 210 for authorization or visit our website at www.extech.com (click on ‘Contact Extech’ and go to ‘Service Department’ to request an RA number). A Return Authorization (RA) number must be issued before any product is returned to Extech. The sender is responsible for shipping charges, freight, insurance and proper packaging to prevent damage in transit. This warranty does not apply to defects resulting from action of the user such as misuse, improper wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification. Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is limited to repair or replacement of the product. The warranty set forth above is inclusive and no other warranty, whether written or oral, is expressed or implied. Support Hotline (781) 890-7440 Tech support: Ext. 200; Email: support@extech.com Repair/Returns: Ext. 210; Email: repair@extech.com Website: www.extech.com Copyright © 2003 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form. OUTP CA TII 300 UT VOLT AGE : 1mV P AC AM 600 V AC Per AM 1A P AC AD CA 30 0 Model CA310 Version 1.1 06/03
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