Related Manuals for Fluke 312
Summary of Contents for Fluke 312
- Page 1 ® 312, 316, 318 Clamp Meter Users Manual PN 1989445 July 2002 Rev.2, 2/06 © 2002, 2006 Fluke Corporation. All rights reserved. Printed in China. All product names are trademarks of their respective companies.
- Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for one year from the date of purchase. This warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, con- tamination, or abnormal conditions of operation or handling.
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Page 3: Table Of Contents
Measuring AC and DC Voltage ......9 Measuring Resistance ........12 Testing Continuity ..........13 Diode Test............14 Data Hold ............15 Peak...............15 MIN MAX (316, 318 only).......15 REL (S) (316, 318 only) ........16 Range (312 only) ...........16 Changing the Battery........16 Cleaning the Meter ...........16 Maintenance.............16... -
Page 5: Safety Information - Read First
312, 316, 318 Safety Information – Read first WWarnings: Read Before Using To avoid possible electric shock or personal injury: • Use the Meter only as specified in this manual or the protection provided by the Meter might be impaired. - Page 6 312, 316, 318 • When using probes, keep your fingers behind the finger guards. • When making electrical connections, connect the common test lead before connecting the live test lead; when disconnecting, disconnect the live test lead before disconnecting the common test lead.
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Page 7: Explanation Of Symbols
Users Manual Explanation of Symbols Risk of danger. Important information. Refer to operation instructions. Risk of electric shock. Application and removal from hazardous live conductors permitted. Double insulated. Battery Earth Ground Alternating current Direct current Equipment is designed to protect against transients from energy-consuming CAT II equipment supplied from the fixed installation, such as televisions, personal computers, portable tools, and other household appliances. -
Page 8: General Specifications
To deactivate this feature, press the Peak button and keep it pressed down while powering up the Meter. Clamp Opening Size: 312: 36 mm (1.42 inches) 316, 318: 40 mm (1.57 inches) Dimensions (L x W x H): 254 x 66 x 37 mm (10 x 2.60 x 1.45 inches) Weight: 422 g (14.9 ounces) (battery included) -
Page 9: Electrical Specifications
(hold down the peak button) Shut-off Available in the following measurement functions: Volts & Ohms (Amps for Auto range 312 only) Overload 600 Vrms per EN61010 CAT III 600 V Protection 1. Temperature Coefficient: 0.1 x (specified accuracy) / C (<... -
Page 10: Instrument Overview Feature Locations
312, 316, 318 Instrument Overview Feature Locations PEAK PEAK HOLD HOLD 1000 A RANGE 400 A 40 A AC/DC MIN MAX TRUE RMS CLAMP METER aca11f.eps V e Input Terminal Current Sensing Clamp Peak Button COM Terminal Hold Button REL Button (316, 318) -
Page 11: Symbol Definition
Users Manual Symbol Definition 14 13 aca02f.eps Maximum reading displayed (316, 318 only) AC mode Minimum reading displayed (316, 318 only) Volts Relative (S) mode is active Amps e Ohms Negative reading Battery is low and should be changed Hold function is selected Diode/continuity test Bar graph function is selected... -
Page 12: Measuring Ac Current
312, 316, 318 Measuring AC Current 1. Turn the rotary function switch to the proper current range. 2. Press (316, 318 only) to measure ac current if necessary. 3. Open the clamp by pressing the clamp-opening trigger and insert the conductor to be measured into the clamp. -
Page 13: Measuring Dc Current (316, 318 Only)
View the reading on the LCD. Measuring AC and DC Voltage Turn the rotary function switch to V. Choose ac or dc by pressing (316, 318 only). When using a 312 Meter: • turn the rotary function switch to K when measuring ac voltage •... - Page 14 312, 316, 318 PEAK PEAK HOLD HOLD 1000 A 400 A 40 A AC/DC MIN MAX aca14f.eps Figure 4. AC Voltage Measurement (318 shown)
- Page 15 Users Manual PEAK PEAK HOLD HOLD 1000 A 400 A 40 A AC/DC MIN MAX TRUE RMS CLAMP METER aca15f.eps Figure 5. DC Voltage Measurement (318 shown)
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Page 16: Measuring Resistance
312, 316, 318 Measuring Resistance XWarning To avoid electrical shock when measuring resistance in a circuit, make sure the power to the circuit is turned off and all capacitors are discharged. Turn the rotary function switch to e. Remove power from the circuit being tested. -
Page 17: Testing Continuity
Users Manual Testing Continuity XWarning To avoid electrical shock when testing continuity in a circuit, make sure the power to the circuit is turned off and all capacitors are discharged. Turn the rotary function switch to . Remove power from the circuit being tested. -
Page 18: Diode Test
312, 316, 318 Diode Test XWarning To avoid electrical shock when testing diodes in a circuit, make sure the power to the circuit is turned off and all capacitors are discharged. Turn the rotary function switch to . Remove power from the circuit being tested. -
Page 19: Data Hold
Users Manual XWarning Dangerous voltages may be present at the input terminals and may not be displayed. Data Hold To hold the present reading, press the HOLD button. Press the button again to return to the live reading. Peak The Meter has a 1 ms peak feature for use with ACA, DCA (316, 318), ACV, and DCV functions. -
Page 20: Rel (S) (316, 318 Only)
312, 316, 318 REL (S) (316, 318 only) Press to set the zero to the present reading. The difference between the reference reading and subsequent readings is displayed. Press again and the Meter displays the reference reading. The blinking S on the LCD also indicates this mode.