• DD862 type single-phase meters System 1
DD862 type single-phase meters

DD862 type single-phase meters

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Application

DD862 type single-phase inductance AC active energy meters are used to measure active energy loss with frequency 50Hz or 60Hz。 features: new design, resonable construction, high overload, low power consumption, long life , high stablity. the meter is very popular by customers.


Type and meaning
Type and specification
Main technical parameters

1、Meters conform to GB/T 15283 -1994 and IEC 521-1988 standards.
2、Meters can be made into types: direct wiring and CT/PT wiring.
3、 Can be made into special meters according customer's requirements (different frequency, voltage,current specifications etc.).
4、 Start-up: under the condition of the referenced voltage, reference 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.
5、 Potential action: the ammeter's rotor turns without exceeding one cycle when its line has no electric current and the voltage is 80%~110%of the reference value.
6、Power consumption:active power consumption of voltage circuit less than 2W(under reference conditions).
7、Dielectric properties:1.2/50µs wave,peak value:6kV, no damage permitted under 10 times test. meter can withstand 2kV(circuit to earth, under 45~65Hz,1 minute)。


Outline and installation dimensions


Q: can fresh jump starting of battery (2 hours/10miles) or burnt fuse of horn/lighter cause this problem?thanks for all answers
those reasons will not trigger the light. it can be anything from a loose gas cap to severe catalytic converter damage. pull the codes and see where the issue is.
Q: Can someone help me out here. Please in layman's terms, to much detail is not necessary.
The hyphae is the thread-like filaments that form the structure of fungi. A mass of hyphae is called the mycelium. Upon the hyphae, spore bodies form to produce new fungal colonies. When the proper conditions occur, the hyphae of mating types fuse and form fruiting bodies such as mushrooms in which the sexually produced spores form and are released. The hyphae produces enzymes that digest the food they grow upon. These enzymes are called exoenzymes.
Q: Hi, I have a 1996 Cadillac Eldorado ETC with 180K miles. It has been running fine except for starting, it used to take a few cranks at times but other than that it was fine. My fuel pump seemed to have had failed and I replaced it with another but I still don't get any fuel pressure to the fuel rail. I have replaced the fuel filter, and a fuel pump relay located in the engine bay driver side fuse box. I have also installed an inline fuel pump and that get gas to the rails but it lack the high pressure required for EFI. My original fuel pump works now that I have tested it, so that was not the problem, it seems it might be an electrical issue since there seems to be no power getting to the in-tank fuel pump. My question.- Is there any other electrical components I need to look for and replace that control the power sent to the fuel pump? I cant afford to take it to any shop, or put it on a diagnostics system, I have to be able to bypass or rigg or fix myselfwhat do you think?
Put a voltmeter or test lamp between the pump power connection and ground. Switch on the ignition, and see whether the voltage is there. If not, and you reckon the fuse and relay are definitely OK, you have a problem with the power wire or connections, or the earthing of the pump. If the voltage IS there, your pump is stuck or burned out or bad earth.
Q: I live in Klang Valley, Malaysia
service station, car accessory place, electrical component store
Q: I am trying to repair a fill valve fuse in my maytag washer.
The one amp fuse is there to limit the current to 1 amp. Using a 5 amp fuse will allow 5 amps to flow in a circuit designed for 1 amp. This current over the designed max current can cause damage to the components in the circuit and could also cause the components to overheat and start a fire. DON'T DO IT.
Q: I currentlyinstalled a new batteryon my Navigator. When battery was installed the radio was not working anymore and completely dead. What is wrong??
could be wrong but believe the anti theft on the radio needs to be reset
Q: I unplugged an air freshner from my lighter. Immediatly after I noticed my lighter, dome light, power antenna, rear defrost, key in ignition chime and the lights at the bottom of the doors didn't work anymore. I switched all fuses in fuse box with new ones and the same components still didn't work. Any suggestions would be greatly appreciated!
A Fuse it that simple one fuse power many thing it only cost like a dollar to but and 1 min to change so good luck
Q: If I were to connect an appliance to something other than an electrical wall outlet for power and that device produced more volts / watts than what my appliance needs to work, would it mess it upand if so how to I control this?
if V I R, you are effectively increasing V while keeping R constant; so I through the device must increase. Power dissipated by the device I^2 R : so by doubling the applied voltage, you'd quadruple the power dissipated by the device. If you're lucky and the components can handle the additional heat dissipation requirement, then nothing will happen except the device will become quite hot to the touch. If the components can't handle the additional heat being generated, the device will burn out. If you're lucky, there is a single fuse or component that will burn out and break the circult; stopping the flow of current. If you're not lucky, then the device could continue to heat up and eventually catch fire. you need to buy/acquire/build a voltage converter/power supply -- something that will take the input voltage and current and output the voltage'/current required by the device. Running 12V electronics from a car lighter socket, you encounter this all the time. The DC adapter basically takes the raw 12.6V and ensures that the voltage/current specification required by the device are met.
Q: car will not start, could it be some thing to do with time for oil change. Have new starter andd battery. Still can not turn motor over. Turn key loud clicking from fuse box under seat!
ck wires on starter sounds like they are on backwards. also ck ground wire to motor and frame rail
Q: I have 5mm LEDs that Im using to make automotive tail lights with and I need to know what I use for surge protection.
No surge protection is required, and as for fusing, use a normal-blow fuse rated about 20% higher than the current normally drawn by the lights.

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