... oxygen demand (COD) analyzer based on the total nitrogen (TN), total phosphorus (TP) measurement function. Preloaded reagents, ... supporting simplify the user's determination.Instrument performanceWavelength 420nm nitrogen (TN) Measuring range :0-25mg / L accuracy: 0. ... green colorimetry that oxidant consumptionMeasurement of total nitrogen (TN)With chromotropic acid in water samples of the nitrogen ...
JY Single-phase asynchronous motor starter 1.Min.Order:10 Pieces 2.Payment Terms:L/C,T/T,Western Union JY Single-phase asynchronous motor starterJY series single-phase capacitor start induction motor is suitable for any where a larger starting torque and the starting current to be limited are required, and is used as driving motor of air compressors, refrigerators, medical apparatus and other ...
... 60s test duration. ∫udt-Math product of volt-microsecond≈V1·tn(the value can keep unchanged in some frequency range). V1 ... -Input signal voltage (primary pulse voltage). tn-Rated pulse width of the drive transformer, under related V1 ... . ModelRatiouVp(kV)Primary InductionLPLeakage InductionLSCoupling CapacityCK∫udt(μVS)V1(V)tn(μS)V2(V)RL(Ω)FrequencyDRT801/111B1:1:13.18mH8μH29pF ...
2012 hot promotional plastic flexible eco-friendly flower vase material: opp+pet+cpp size,design: accept OEM Foldable and sta hot selling plastic flexible eco-friendly flower vasefeature:1. Made of plastic, It is breakage-proof and environmentally friendly,energy saving.2. Foldable and space saving. When not use, you can pow out the water and it turns to be a piece of "paper".3. we have many ...
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