使用操作说明书手册-SC4X-web

AUTO-RANGING DIGITALDescriptionTemperature(SC45 and SC46)CLAMP METERS:The mini clamp-on meters are made for the tech-Plug any K-type thermocouple directly into thenician who is looking for a small,low cost meter thatmeter to measure temperature.Temperature meas-SC44,SC45,SC46has most of the functions he needs,day in and dayurement will be accurate even in fast changing envi-out,without some of functions and convenience fearonments because of excellent temperature compen-tures available on bigger meters.sation.No themocouple adapter is required.Non-contact voltageField Temperature calibration8With the grey tip on the amp clamp head close toan AC voltage,press and hold the NCV button.The(SC45&SC46)NCV LED will light and the beeper will beep.TheFor accuracies of t1,calibrate to a known tem-closer you get to AC voltage,the louder the beepperature.A glass of stabilized ice water is very closeto 32F (0C)and is usually very convenient but amyThe NCV function is sensitive enough to detect24VAC on thermostats.(24V to 600V.50Hz to 60Hz)known temperature can be used.Capacitance(SC45 amd SC46)1.Select 400F/C range and connect themmocouple.2.Remove back case(2 screws on back,one nearFor motor-start and motor-run capacitors.damp,other near base).Leave battery coverDisconnect the capacitor from power first.If theattached so batteries staycapacitor is connected to the meter and dsc"symbolwithin back case.VR5is shown on the LCD,it means there is voltage exist-3.Stabilize a large cup of iceBg0e8e8eea82c30n1enetn品6ewater4.Immerse the thermocouplecharge the capacitors.Disconnect any resistors thattip and let it stabilize.might be between the terminals of the capacitor.5.To change the temperatureJumperHoldscale to C.close thePress HOLD once to keep the latest reading dis-jumper just below VR5.played on the meter in the memory.Press the HOLD6.Adjust VR5 calibration potbutton again to go back to normal mode.with a small screwdriver toK红2Aget within 0.1 of 32FTrue RMS (SC46)(0C).Each 1/4 turn should adjust the tempera-Digital multimeters use two different types of ACture about3°，no more than1O°total..There'snosensing.The most common is average sensing,nor-need rotating the screw more than 360;doing somalized to a true RMS value of a sine wave.Thegets you back to where you started.other is true RMS sensing.The actual true RMS7.Attach case without screws to preview the tem-value is sensed.Either sensing method will give theperature and continue until you have it dialed insame results on a clean sine wave but they may dif-fer on a non-sinusoidal waveform.Disable auto offSet to QFF position,press and hold(SC44 andSC45)or(SC46)button while turning rotary dial toFieldpiecedesired range position.Release the button whenLCD displays nomally.Note:"APO annunciator willbe missing from the display.The Auto Power OffOPERATORS MANUALmode is on when "APO"indicated on the display.Using the best rangeFor your safety...Limited warrantyAutoranging meters automatically select the rangeGener