User Manual_ET-3888 operators manual_Ver_0
Contents
1. 1V 0 75 rdg 3dgt 600V 1V 400A 0 1 1 5 rdg 3dgt 1000A 1A Resistance Range Resolution Accuracy 4000 0 1Q 1 0 rdg 3dgt 2000d 10 Audible alarm sounds below 38 00 Page 6 Wavecom Instruments True RMS Clamp Meter User Manual Diode 400 mV 1 0 rdg 3dgt 2000 mV JimV At 1mA current Overload protection ACV 750V RMS DCV 1000v Diode amp Ohm 600V rms Conductor Size Approx 40mm Max Operating Principle Dual slope integration Over Range Indication O L indicated Low Battery Indication sign appears on the display Response Time Approx 1 second Sample Rate Approx 2 times per second Page 7 Wavecom Instruments True RMS Clamp Meter User Manual Temperature amp Humidity 0 C 40 C at 80 max relative humidity Storage Temperature amp Humidity 10 C 50 C at 80 max relative humidity Dimensions 255 L x 80 W x 35 D mm Weight Approx 420g battery included Power Source QV 6F22 x 1 Accessories Test Leads Carrying Case Instruction Manual 9V 6F22 x 1 Page 8 Wavecom Instruments True RMS Clamp Meter User Manual 5 Instrument Layout fa ACIDC CLAMP METER LS ET 3888 TRUE RMS Transformer Jaws O input Terminal Pick up the conductor within the jaws center D Rotary Switch Provide a protective distance from conductor EP Jaw Trigger 9 Max Button Hold the absolute maximum reading with MAX2. OM wo 0 gt INSTRUMENTS ET 3888 True RMS Clamp Meter User Manual Revision 2015 01 Wavecom Instruments True RMS Clamp Meter User Manual Index HU OQUC D 3 Saa NOGE nn een 4 Features 5 802 91092 6 8 Instrument 0 9 Meaeurement Bg 10 Mamtenance s 11 Page 2 Wavecom Instruments True RMS Clamp Meter User Manual 1 Introduction This meter has been designed and tested according to CE Safety requirements for Electronic Measuring Apparatus EN61010 1 EN61010 2 32 and other safety standards Following all warnings to ensure safe operation WARNING READ SAFETY NOTES PAGE 4 BEFORE USING THIS METER Page 3 Wavecom Instruments True RMS Clamp Meter User Manual 2 Safety Notes Read the following safety information carefully before attempting to operate or service the meter 1 2 3 Use the meter only as specified in the manual otherwise the protection provided by the meter may be impaired Always keep finger grip away from the meter barrier Use extreme caution when clamping around uninstalled conductors or bus bars Never clamp around any conductor carrying a voltage above 600v R M S Rated environmental conditions 1 Indoor use 2 Installation Category II 3 Pollution degre
3. e 4 Altitude up to 2000 Meter 5 Relative Humidity 80 Max 6 Ambient Temperature 0 40 C 6 Observe the international Electrical Symbols listed below Ir gt Meter is protected throughout by double insulation or reinforced insulation Warning risk of electric shock Caution refer to this manual before using the meter Alternating current Earth ground terminal Page 4 Wavecom Instruments True RMS Clamp Meter User Manual 3 Features This instrument provides a True RMS value Full auto range for all functions Data Hold function freezes the reading Max Hold function holds the absolutely maximum of readings Low battery indication Safety design throughout with no exposed metal parts Shielded banana plugs and recessed input terminals Ohm function ideal for checking continuity of relays transformers and motor coils e Diode check function Page 5 Wavecom Instruments True RMS Clamp Meter User Manual 4 Specifications Ranges Auto AC Voltage 400 0 600 V AC Current 400 0 1000A DC Voltage 400 0 600 V DC Current 400 0 1000 A Resistance 400 0 2000 Q Diode 400 0 2000 mV at 1mA ACV ACA Range Resolution Accuracy 400 V 0 1 V 1 0 rdg 3dgt 600 V 1V 400A 0 1 1 5 rdg 3d ot 1000 A 1 A Frequency Response 40Hz 500Hz DCV DCA Range Resolution Accuracy 400V_ 0
4. indicated DCA zero adjust setting D Data Hold Button Freeze the reading for all ranges with HOLD indicated LCD Display 33 4 Digit LCD with the maximum reading of 3999 Press to open the jaws Page 9 Wavecom Instruments True RMS Clamp Meter User Manual 6 Measurement Before proceeding with measurement read the safety notes 1 Voltage measurement Insert the BLACK test lead to COM and the RED one to the other terminal Switch to AC V range for AC voltage or DC V range for DC voltage Use the test lead tip to the circuit and read the reading of display directly Ifthe reading exceeds 600V possible indicated value is incorrect and dangerous refer to the safety notes 2 Current measurement Switch to AC A range for AC current or DC A for DC current Ifthe initial reading of DC A is not zero use the DC A zero adjust to set to 000 0 Amps Make sure that the test lead is not connected to the Terminal Press the jaw trigger to open the transformer jaws and clamp onto one conductor only Read the display reading 3 Ohm amp Diode measurement For Ohm test Switch to OHM range and make sure there is no power in the circuit being measured Insert the BLACK lead to the COM and the RED one to another Connect the test leads to the circuit under test and read the display directly For Diode test Connect the test leads to the Diode under test Read the forward voltage of Diode directly from display If co
5. nnect reversely the display shows O L K K Page 10 Wavecom Instruments True RMS Clamp Meter User Manual 7 Maintenance Battery Replacement When low battery warning appears change a new battery as follows Disconnect the test leads from the instrument and turn off power Unscrew the battery cover and replace a new battery Cleaning and Storage WARNING To avoid electrical shock or damage to the meter avoid water contamination on this instrument Periodically wipe the case with a damp cloth and detergent Do not use abrasives or solvents If the meter is not to be used for a long period over 60 days please remove the battery for storage Page 11
Download Pdf Manuals
Related Search