Product introduction
Category: leakage protector detector
Product name: pocket intelligent digital display automatic leakage protector detector
Product model:
Product introduction:
Objective: To quantitatively test the performance of various leakage protectors.
The series of intelligent digital automatic leakage protector tester designed and developed by us is a special testing instrument for testing the performance of various leakage protectors (leakage current value and leakage action segmentation time), which has obtained national patents. The products have passed the inspection of Hebei Institute of Metrology and Testing Technology, and meet the product technical standards.
This tester is the most advanced one in the series of intelligent digital leakage protector testers. Its detection current output range is 1-300mA, which can be extended to 1-600mA and 1-900mA according to user's needs. The recording range of detection time is 1- 1999mS, and the liquid crystal display. In addition to fully automatic detection of the current value of leakage action and the subsection time of leakage action, automatic detection of sudden change is also added, and all operations are completed with one key, which basically meets the detection of leakage protectors running in China at present, and is especially suitable for first-line electricians and electricity safety supervision departments in terms of performance, portability and operation.
A new type of widely used leakage protector tester
Product introduction
I. Overview
Leakage protector tester, which can measure the action current and breaking time of leakage protector; It can also measure AC voltage and leakage current of lines and equipment. This tester is a 1990 Zhejiang electric power science and technology project. Product standards are formulated with reference to GB6829-86 and other related standards, and have been reviewed and filed at the provincial level. The number is Q33N23 453-90.
The instrument adopts integrated circuit, which is small in size, multi-functional, high in accuracy, high in cost performance, easy to carry and use, and can test various types of leakage protectors. The test results are displayed in digital form, which is intuitive and has high resolution. When measuring the action current and breaking time of the leakage protector, it only takes a few seconds to operate, and the display result is automatically temporarily stored for a few seconds and then automatically returns to zero, which is extremely convenient to operate.
The instrument can measure AC voltage in a wide range and can be applied to any low-voltage system.
The instrument can detect the line leakage current at the working position and the total leakage current of electrical equipment. When measuring leakage current, it is convenient, safe and reliable, and has overcurrent protection measures.
The tester can work continuously for more than 200 hours without additional power supply, only 9V laminated battery is needed. The instrument is equipped with packaging and work backpack, which can be carried around for testing.
The tester can be widely used in power supply departments, rural power departments, leakage protector manufacturers, labor security departments in construction, mining, machine tools and other industries, as well as the majority of electricians.
Second, the main technical performance
1, display: three and a half LCD digital displays; There are instructions for automatic temporary storage, locking, reset, overflow, battery replacement and fuse blowing.
2, AC leakage current measurement:
Range: 0 ~ 500mA (with 500mA fuse).
Accuracy grade: 1.0, resolution: 1mA.
3, adjustable AC leakage current measurement:
Range: type B 5 ~ 100,100 ~ 200mA.
Type c 5 ~ 100, 100 ~ 200, 200 ~ 300 ma.
4. AC voltage measurement:
Range: 0 ~ 450 v
Accuracy grade: 1.5, resolution:1v.
5, disconnect time measurement:
Range: 5 ~ 1000 ms
Error: 10%, resolution: 1 millisecond.
6. Power supply:
DC9V 1V, power consumption: less than 20MW.
7. Conditions of use:
① temperature: the working range is-10 ~ 40℃, and the limit condition is -20 ~ 50℃
② Humidity: the working range is 30℃ (20 ~ 75)% RH.
③ Frequency: Working range: 50 2.5 Hz.
④ Altitude: no more than 200 meters.
⑤ When using, avoid the influence of external strong electricity and magnetic field, and avoid harmful environment such as direct sunlight and corrosive gas.
Leakage current clamp meter (small caliber)
Product introduction
It is suitable for measuring the effective value of leakage current or load current in AC (power frequency) low-voltage power grid. Mainly used for household protector management. Wide temperature design, which can be used in most areas of China. Widely used in oil fields, chemical industry, mines, communications, construction, textiles, railways, metallurgical power and other industries and low-voltage distribution networks of enterprises and institutions.
General characteristics
Overall dimensions: 2 18×65×34 (mm)
Inner diameter of jaws: ≥ φ 36 mm; Opening distance: ≥ φ 38 mm
3 1/2LCD display.
With data retention function.
Static current: about 3mA
9V laminated battery (6F22) supplies power.
Weight: about 200g (including battery) large-caliber leakage current clamp meter.
Product introduction
It is suitable for measuring the effective values of leakage current and load current in AC (power frequency) low-voltage power grid. Mainly used for the management of general protectors. Large caliber design ensures the leakage current test of three-phase three-wire and three-phase four-wire power supply circuits. Wide temperature design, which can be used in most areas of China. It is suitable for low-voltage distribution networks in oil fields, chemicals, mines, communications, railways, metallurgy, machinery, electric power and other industries and low-voltage distribution networks in enterprises and institutions.
General characteristics
Overall dimensions: 260× 100×36 (mm)
Inner diameter of jaws: ≥ φ 66mm; Opening distance: ≥φ68m
3 1/2LCD display.
With data retention function.
Static current: about 3mA
9V laminated battery (6F22) supplies power.
Weight: about 330 grams (including battery)
Intelligent leakage current clamp meter (large caliber)
It is suitable for measuring the effective values of leakage current and load current in AC (power frequency) low-voltage power grid, and has the function of automatic memory of tripping data of leakage current protector; Automatic memory function of overload action current of molded case circuit breaker, thermal relay and motor protector. Large caliber design ensures the leakage current test of three-phase three-wire and three-phase four-wire power supply circuits. Wide temperature design, suitable for most areas. Widely used in oil fields, chemical industry, communication, construction, textile, railway, metallurgy, machinery, electric power and other industries, as well as low-voltage distribution networks of enterprises and institutions.
General features:
Overall dimensions: 260× 100×36 (mm)
Inner diameter of jaws: ≥ φ 66mm; Opening distance: ≥φ68m
Year, month, day, hour, minute and second display.
3 3/4 bits, graphic dot matrix Chinese display, yellow-green backlight.
With data retention function; Automatically store 20 pieces of data.
Query and clear the stored data.
RS232 interface can realize online automatic monitoring. Equipped with 5m dedicated connecting wire.
3.6V/650mAh lithium-ion battery supplies power, and the static current is about 4mA. Equipped with a dedicated charger.
Weight: about 330g (including battery). Digital leakage protector tester
Product introduction
I. Overview
Digital leak detector is an improved leak detector based on digital leak detector. By designing the current file, the test range is expanded and the test results are more accurate. The instrument can be used to measure the working voltage, steady-state leakage current, pulse leakage current and leakage time of various leakage protectors and low-voltage leakage switches. It can also detect the line leakage current and total leakage current of electrical equipment at the working position. All electrical parameters of various leakage protectors and leakage switches can be tested online or out of working environment, and can be used for power supply, distribution places, experimental testing, installation and maintenance.
The instrument has the following main features:
Large-scale CMOS integrated circuit, double integral A/D converter, with low battery indication.
Use high-performance equipment to ensure test accuracy.
Second, performance.
1, with data acquisition and retention functions.
2, with full protection function.
3. Maximum display: 1999.
4. Out-of-range indication, the highest bit shows 1.
5, speed reading display ≥2 times per second.
6. Power supply: 9V battery
7. Low battery indication: display "-"or "LOBAT".
Third, technical indicators.
Test mode range accuracy
Resolution leakage: current 100 Ma 2.5% (two words) 1mA, 200 Ma 5.0% (two words) 1mA, 500 Ma 5.0% (two words) 1mA.
Action time: 0 ~ 2s 2.5% (5 words)1ms.
Ac voltage: 0 ~ 500 volts 2.0% (1 0)1volt.
The leakage protector tester is an intelligent digital handheld leakage protector tester, which can be tested online or offline. At the same time, it has the function of reverse voltage protection.
Technical parameters;
1, rated voltage: AC 220V；;
2. Test line voltage: below AC250V;
3. Classification of leakage current: 15, 30, 50, 75, 100, 150, 200, 250, 300 and 500mA ***;
4. Time range of leak test: 0-799 milliseconds;
5. Leakage current accuracy:1;
6. Action time display accuracy: 0.5;
7. Working environment temperature:-10℃-40℃;
Leakage protector tester is most suitable for safety inspection of engineering acceptance.
Refer to GB 6829-95 General Requirements for Residual Current Action Protector, GB16916.1-97 Residual Current Action Circuit Breaker for Household and Similar Uses without Current Protection and GB16917.
The microcomputer leakage protection tester realizes full intelligent automatic control, and the action current adjustment and action mutual inductance measurement are completely controlled by the program and automatically switched. The instrument uses touch buttons, 12864 LCD display and Chinese menu operation. The instrument is equipped with a three-terminal test line. When testing, only the three hole socket with PE line is needed, which can automatically measure the action current and action time of the superior leakage protector. The instrument can also be used to test the action characteristics of leakage protector under off-line state. The optional test line can be flexibly used to measure the action characteristics of various automatic air switches, three-phase leakage protection and other leakage protection systems with leakage protection devices.
The tester is very suitable for engineering acceptance, engineering evaluation, engineering supervision, power inspection, safety inspection and other applications.
trait
& ampOslash can be tested online or offline.
& ampOslash It can indicate the common line errors such as judging phase sequence errors and disconnection.
& ampOslash can be used for 220V single-phase leakage protection and 380V three-phase leakage protection.
& ampOslash precision program-controlled AC constant current source, automatic program-controlled adjustment of leakage current, pure electronic circuit, no inductance, leakage protection action and switching, and the leakage current remains stable without fluctuation.
& ampOslash test is simple and convenient, one-click test; When testing the action current, just press the current key to test the action.
When doing time, just press the time button, and everything is controlled by the program.
& ampOslash setting menu can be conveniently set according to the leakage protection model, and the action time can be set to 1 current, 2/current and 0.25A current for testing.
& ampOslash can customize the action current and applied leakage current when testing the action time, and adjust it step by step in the range of 0-0.25 A according to 1mA.
& ampOslash portable design, using 3 5th batteries, one-button on-off design, under-voltage protection, battery replacement reminder when the battery is low.
The design of & ampOslash test line is very practical, and the external knob is safe and beautiful to access the terminal.
Current index
Current control range: 0-0.25a.
Accuracy of current measurement: 0.5%
Current control accuracy: 1%
Time measurement index
Time measurement accuracy: 0.65438 0%
Currently set parameters
Rated current: 0.006A, 0.0 10A, 0.030A, 0.050A, 0.1a.
Test current: 1I, 2I, 0.25A, customized.
Custom current: 1-250mA Setting resolution:1mA
Overall dimensions: 130* 100*40mm.