Other battery eliminator or charger may result in damage to MT4080. Please perform the following step.Ģ2 2.2.2 Battery Recharging/AC operation Caution ! Only the MT4080 standard accessory AC to DC adapter can be used with MT4080. Meas.Ģ1 2.2 Making Measurement 2.2.1 Battery Replacement When the LOW BATTERY INDICATOR lights up during normal operation, the batteries in the MT4080 should be replaced or recharged to maintain proper operation. Operation 2.1 Physical Description G UARDPOTH POTL CUR UARDCUR GLH 1. However, there are cases where the parallel equivalent mode m.Ģ0 2.
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Where ohmic losses are most significant, the series equivalent mode is preferred. Electrolytic cap.ġ9 The series equivalent mode is essential for obtaining an accurate Q reading of low Q inductors. A low D (Dissipation Factor) reading is desirable. Always discharge any capacitor prior to making a measurement since a charged capacitor may seriously damage the meter. C Accuracy: Cxf Zx â‹…â‹…â‹... = Ï€ 2 1 C Ae = Ae of |Zx| f : Test Frequency (Hz) Cx : Measured Capacitance Value (F) |Zx| : Measured Impedance Value ( Ω ) Accuracy applies when Dx (measure.ġ2 L Accuracy: LxfZx â‹…â‹…â‹…= Ï€ 2 L Ae = Ae of |Zx| f : Test Frequency (Hz) Lx : Measured Inductance Value (H) |Zx| : Measured Impedance Value ( Ω ) Accuracy applies when Dx (measured D value) ≦ 0.1 When Dx > 0.1, mult.ġ3 ESR Ae = Ae of |Zx| f : Test Frequency (Hz) Xx : Measured Reactance Value ( Ω ) Lx : Measured Inductance Value (H) Cx : Measured Capacitance Value (F) Accuracy applies when Dx (measured D value) ≦ 0.1 Example: Test Condi.ġ4 D Ae = Ae of |Zx| Accuracy applies when Dx (measured D value) ≦ 0.1 When Dx > 0.1, multiply Dx by (1+Dx) Example: Test Condition: Frequency : 1KHz Level : 1Vrms Speed : Slow DUT : 100nF Then Ω= â‹…â‹…â‹…â‹… = â‹…â‹….ġ5 Accuracy applies when 1 < â‹… DeQx Example: Test Condition: Frequency : 1KHz Level : 1Vrms Speed : Slow DUT : 1mH Then Ω=â‹…â‹…â‹…= â‹…â‹…â‹…= − 283.610102 2 33 Ï€ Ï€ LxfZx Refer to the accuracy table, get L Ae.ġ6 Example: Test Condition: Frequency : 1KHz Level : 1Vrms Speed : Slow DUT : 100nF Then Ω= â‹…â‹…â‹…â‹… = â‹…â‹…â‹… = − 1590 10100102 1 2 1 93 Ï€ Ï€ Cxf Zx Refer to the accuracy table, get Z Ae =Â☐.2%, deg115.0 100 2.018.ġ7 îº General: Temperature : 0 ° C to 70 ° C (Operating) -20 ° C to 70 ° C (Storage) Relative Humidity : Up to 85% Battery Type : 2 AA size Ni-Mh or Alkaline Battery Charge : Constant current 150mA approximately Battery Ope.ġ8 Charged Capacitors. The quality factor can be defined as the ratio of the stored energy (reactance) and the dissipated energy (resistance).     ï£ ï£« = += Ω∠=+= − S S s s s sss ss X R Z R X TanSinZX XRZCosZR ZjXRZ θθ θ θ There are two different types of reactance: Inductive (X L.ĥ some associated resistance that dissipates power, decreasing the amount of energy that can be recovered.
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It can be used to check ESR values of capacitors, sort values, select precision values, measure unmarked and unkn.ģ îº Second Parameter Display: θ : Phase Angle ESR : Equivalence Serial Resistance D : Dissipation Factor Q : Quality Factor îº Combinations of Display: Serial Mode : Z – θ, Cs – D, Cs – Q, Cs – ESR, Ls – D, Ls – Q, L.Ĥ ( ) () () () () Ohm Reactance Resistance Impedance 1 22 =Ω = ï£ The instrument has applications in electronic engineering labs, production facilities, service shops, and schools. It is the most advanced handheld AC/DC impedance measure.Ģ Batteries. Introduction 1.1 General The MT4080 is a high accuracy handheld LCR meter that can perform the inductor, capacitor and resistor measurement up to 100KHz within 0.2% basic accuracy.