• DT607、DS607 series three-phase inductance type meters(long life technics) System 1
DT607、DS607 series three-phase inductance type meters(long life technics)

DT607、DS607 series three-phase inductance type meters(long life technics)

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Application

DT607、DS607 series three-phase inductance type meteres are used to measure active energy with reference frequency 50Hz. features: low power consumption, high stability, long life.


Type and meaning
Normal operation and installation conditions

1、Specified operation temperature range:-25℃~55℃;
2、Limit operation temperature range:-40℃~70℃;
3、Relative humidity : less than 85%(ambient temperature is 23℃);
4、No corrosive gas and dust-proof, no mildew, no insects.


Construction features

1、Rotating parts use long life technics:a、use oxidation-proof magnet bearing, no abrasion. b、fixed bearing on and under rotating axis(imported from german) c、use high strength and high rigidity material for up-down bearing pin; d、rotating axis and worm in a same axis to ensure long life operation(more than 25 years).
2、Electranagnetic system uses new construction: voltage and current coil are all fixed on a iron frame to ensure stability.
3、Braking components use new construction and high magnet-accumulating material( LNG37 permanent magnet alloy) to ensure stability;
4、Use excellent material for voltage coil(can withstand Uimp more than 6kV;
5、High accuracy of register to ensure long life.
6、Base and terminal block use high insulation and burning-proof material;
7、Use polycarbonate as cover to ensure good transparent effect and high strength.


Main technical parameters

1、Conform to GB/T 15283-1994 and IEC 521-1988 standards;
2、Class index:2;
3、Reference voltage:3×220V / 380V、3×380V、3×100V;
4、Ib and Imax:3×1.5(6)A、3×3(6)A、3×5(20)A、3×10(40)A、3×10(60)A、
3×20(80)A、3×30(100)A;
5、Power consumption:less than 1.5W and 2VA under reference voltage,current and frequency;
6、Start-up: under the condition of the referenced pressure, referenced frequency and cosΦ=1,and the load circuit doesn't exceed the 0.5% of the basic circuit, the ammeter's rotor can be started up and constant turning.
7、Potential action: the ammeter's rotor turns without exceeding one cycle when its line has no electric current and the pressure is 80%~110%of the reference.
8、Dielectic properties conform to GB / T 15283-1994.


Fype and specifications
Outline and installation dimensions


Q: If I drive my car at like 8pm my battery will be fine the next day. But if I don't drive after I get off work at 4 then the next day it won't start.I will have some power like the light under the hood. It always starts when I jump it.I had my alternator tested and it's fine. The same goes for my battery.Any ideas?
there has to be a short someplace ! if the starter gets a short it in then it will drain the battery because the hot cable runs down to the starter ! unhook the hot cable the night before and the next morning hook it back up and see if it starts !
Q: I tried both slow-blow fuses and fast-acting fuses, the fast acting fuses are blown immediately, and the slow blow fuses allow the amp to turn on, but it doesn't work correctly. The amp is a fender personal small amp. How can the amp be fixed?
There's an excess current drain in the amp. A component has failed and needs to be replaced. Replacing the fuse won't be of any help until the amp is repaired. Without technical know-how yourself, you'll need to take the amp to someone that can fix it for you.
Q: I had lab and I don't quite understand why I did what we did. We used an analog and digital VOM and used it to record the ohms and volts of various electrical components. I was wondering why when using the analog that different devices read completely different ohm readings. Take for example, our Buss fuse didn't even make the needle move, but the diode and the resistor made it go to infinite ohms. How do I figure out what they are supposed to read, and what to expect before going to lab. I couldn't find anything in my book or the lab manual. Also, I was wondering why a resistor would measure outside of its' tolerance range. Is this because it was faulty? Any help is appreciated.
hmm - the fuse resistance was very low, the diode was infinite 'cos it didn't conduct - it would have done if you reversed the polarity ( turned it round!). This was an experiment - you do not ask what they are supposed to read, it's your job to find out by measuring.!!! That's Physics, not Criminology! The resistor could be out of tolerance, but so what? Just measure it's value as it is now.
Q: and explain how they are accomplished ?use these :switchfuseconnecting wires conductorssbulb (load)power supply (source)
A switch has an analog or digital gate that opens and closes the circuit. A fuse is usually an enclosed, thin, conductive filament which melts and opens the circuit when there is an over-current. Connecting wires are wire conductors (e.g., copper wire) that allow for electrical continuity between circuit element. Bulb (load) is a device which your circuit causes to function. It is always measurable resistive. Power supply (source) is the source of sustained electrical potential and therefore electrical power used to operate the circuit.
Q: I was plugging my tom tom into my ciggarette lighter to charge and a penny fell into the lighter hole. Im driving so I grab a pen to get it out and the pen bursts leaking ink everywhere. I then notice my car radio just shuts off. I try to get the ink out as best as possible and I plugged up several chargers, but none come on and nor will my radio. Did I really screw something up I can't live without GPS or Tunes. Real help only pleaseI'm gonna go to Auto Zone tomorrow to test fuses, but any help still appreciated.
Yep, your problem is a fuse. On many vehicles, the cigarette lighter and the radio are powered through the same fuse. When you gave a connection with little or no resistance between the power and the ground in the socket, you created a very high amp flow. The high amps flowing cause increased heat and will burn up wires and can actually start a fire and destroy electrical equipment. Fuses are designed with thin bridges of metal in them designed to burn up after a certain amperage. Basically this means that if something happens (like what happened to you), instead of allowing the high amps to run through the system and damage components or start a fire, the small bridge of metal in the fuse will burn up from the increased heat of amperage flow. Pull the fuse and replace with a new one of the SAME amp rating, and you will be good to go. Everything is ok, you didn't mess up your vehicle. I've done similar things more then I care to remember.
Q: I turned the key once for the electrical components and it worked for a split second then it went dead. Then I tried to jump start it and nothing happened, no clicking or anything. just dead. Then, when I unhooked the jumper cables, there were sparks from the jumper cables which would indicate that the battery isn't dead.
Actually the sparks may indicate that the battery is dead. I think your best bet is to remove the battery (or have someone do it for you) and have it checked at an auto parts store. Batteries are one of the least expensive and the most troublesome parts of your electrical system. There are other things, like a fusible link, that could cause everything to go dead, but it usually is the battery.
Q: During the battle of Gettysburg, the gunfire was so intense that several bullets collided in mid-air and fused together. Assume a 4.91 g Union musket ball was moving to the right at a speed of 248 m/s, 20.3° above the horizontal, and that a 2.96 g Confederate ball was moving to the left at a speed of 282 m/s, 16.0° above the horizontal. Immediately after they fuse together, what is their velocity?
You have to use the principle of conservation of momentum. Resolve the velocity of each musket ball into it's x (i) and y (j) components. Use the velocity components to find the momentum components. They both have positive vertical momentum. The Union ball has positive horizontal momentum, the Confederate has negative (as it is traveling in the -x direction). Sum each component of momentum. Divide the resultant components by the sum of the masses (because the balls have fused). You will be left with the final velocity components. Email me if you still can't get it.
Q: 120A FUSE RATING1500 watt rms3000 peak Top of the line Components Heat Management System Built in sub-sonic filter High Efficiency Mosfet Power Outputs Built in Low Pass CrossOver - adjustable at 12 dB per octave Bass Remote Control Illuminated Logo Class A/B frequency response: 20-28KHz (2) 60A Fuses THD: .05 % S/N Ratio: Greater than 95 dB Input voltage: 11 - 14.4 volts Adjustable Input sensitivity: .2 MV - 5V bass boost control @ 45 hz - 12 dB 1 ohm stable 1 x 3000 watts @ 1 ohm 1 x 1500 watts @ 2 ohms dimensions: 16.92 x 2 x 11.5 inches
HOLY BIG AMPLOL. for a four subs hook up: SVC sub running at 4 ohm each in parallel 1 ohm three subs hook up: SVC sub running at 4 ohm each in parallel 1.34ohms
Q: and also please note some useful web site in this field !
Protection on my system consists of switches and fuses, and a continuous ground connection between each module and an earth ground. One fused switch isolates the modules from the rest of the system. Another isolates the system from the public utility, A fuse protects the AC circuit feeding the control unit. Another protects internal components. And,of course, there is the building service entrance switch and fuses.
Q: I was restarting my computer, and it started buzzing.It was coming from the mobo speaker, and now it won't turn on.On the front of it, the 3 and 4 lights are lit up.Can anyone help me?
It sounds like your speaker fuse blew. Check to see if the fuse is still intact, if it is, then you may have fried a component inside the speaker. Time for a new one in that case. If the fuse blew, you can easily get a new fuse. I had the same problem with an older set of speakers. They were really good ones with a subwoofer and all. I heard the buzz for a few days, then, Pfffft! it went out all at once. Fried components inside the speaker and had to replace the whole speaker unit.

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