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 does not need additional power supply, and can work continuously for more than 200 hours with only 9V stacked batteries. 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.
Second, the leakage current clamp table (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, chemicals, mines, communications, construction, textiles, railways, metallurgy, machinery, electric power and other industries as well as 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)
Three, intelligent leakage current clamp meter (large caliber)
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).
Four, leakage current clamp table large caliber
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)
Five, intelligent digital display pocket leakage protector detector
Product introduction
Category: leakage protector detector
Product name: pocket intelligent digital leakage protector detector
Product model:
Product introduction:
Objective: To quantitatively test the performance of various leakage protectors.
The series of intelligent digital 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 Jiangsu 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.
Functional features:
◆ Microcomputer technology is adopted to accurately detect the action current and action time of the leakage protector.
◆ Accurately detect the action current and action time of the leakage protector.
◆ Accurately test abrupt current and action time.
◆ Test the action current of the leakage protector below 100mA at a time.
And action time.
Exquisite structure, single line access, single key operation.
◆ Automatic detection, data retention and LCD display.
Automatic shutdown, low power consumption.
◆ It can be detected online or offline.
◆ Perfect functions of protection, alarm and fault self-inspection.
Six, digital leakage protector tester
Product introduction
I. Overview
Digital leak detector is an improved leak detector based on digital leak detector. In addition to its functions, the test scope is expanded by designing the current file, which makes the test results 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 (6F22 or equivalent).
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.