Technical description of high- and low-voltage clamp ammeters
The high-voltage and low-voltage clamp ammeter has automatic plug-in function. It is specially designed and manufactured for measuring high-voltage current. It adopts new CT technology and mask digital integration technology. It is composed of a special clamp ammeter and a high-voltage insulating rod.
If the insulating rod is not used, it can also be used as a high-precision low-voltage clamp ammeter and a leakage current meter, which can accurately measure the current or leakage current of 0.1mA to 1000A.
The unique integrated design of the clamp head and the guide area of the high and low voltage clamp ammeter ensures the high precision, high reliability and high stability of the uninterrupted test all the year round.
Technical Parameters
Function High-voltage AC current measurement, low-voltage AC current, leakage current measurement, online AC current monitoring
Power supply DC6V alkaline dry battery (1.5V AAA×4)
Test method Clamp CT, integration method
The transmission method is wireless transmission, and the straight-line transmission distance is about 30m
Display mode 4-digit LCD display, backlight function, suitable for dark places
LCD size 47mm×28.5mm
Instrument size Width, height and thickness: 76×255×31mm3
Jaw size φ48mm
Sampling rate about 2 times/second
Measuring range 0.1mA ~ 1000A (50/60Hz automatic)
Resolution 0.1mA
Shifting 0.1mA～1000A automatic shifting
Test accuracy (23℃±5℃, below 80%RH) 0.1mA～299mA: ±1%±3dgt
0.30A～9.99A: ±1.5%±5dgt
10.0A～199.9A: ±2%±5dgt
200A～399A: ±2.5%±5dgt
400A～600A: ±3%±5dgt
601A～1000A: ±4%±5dgt
Line test with line voltage below 60KV (operation with 5 insulating poles)
99 sets of data storage, during the storage process, the "MEM" symbol indicates, and the "FULL" symbol flashes to indicate that the storage is full
PEAK hold automatically maintains the test value at a high level, usually in the test mode, long press the HOLD button until the PEAK light is on, that is, the PEAK hold function is turned on
Data hold Press the HOLD key to hold the data in the normal test mode, and the "HOLD" symbol will be displayed
Data query "MR" symbol indication, can flip through the stored data up and down
Overflow display Over-range overflow function: "OL A" symbol display
No signal indication Dynamically display the "no --" symbol when the receiver does not receive the transmitted signal
Automatic power off After about 15 minutes of power on, the meter will automatically power off to reduce battery consumption
Battery voltage When the battery voltage is lower than 4.8V, the low battery voltage symbol is displayed, reminding to replace the battery
Meter quality detector: about 335g (including battery), total weight of the meter: about 2.5Kg (including insulating rod and battery)
Working temperature and humidity -25℃～40℃; below 80%Rh
Storage temperature and humidity -10℃～60℃; below 70%Rh
Insulation rod size φ32mm, 1m/section (5 sections)
Dielectric strength AC 100kV/rms (section 5 between the insulating rod and the core of the high-voltage current clamp)
Structural anti-drip type II
The high and low voltage clamp ammeter is connected to the insulating rod, which can be used for current measurement of high voltage lines below 60KV, online current measurement, and also has functions such as peak hold, data hold, data storage, and infrared transmission;
Its special clamp ammeter can easily clamp or evacuate the measured wire by pressing or withdrawing the insulating rod, which is time-saving and fast. It is widely used in substations, power plants, industrial and mining enterprises, testing stations, electrical maintenance departments for current detection and field electrical work. Wait.
It can also be used as a high and low voltage transformation ratio tester, that is, to measure the high and low voltage currents of the primary circuit and the secondary circuit respectively, and then manually calculate the high and low voltage transformation ratio. The insulating rod is light, and has the characteristics of moisture resistance, high temperature resistance, impact resistance, bending resistance, high insulation, and scalability.
