Technical index
Power supply: internal lithium battery or DC8.4V adapter
Measuring range:
Leakage current: 0-20mA (expandable);
(Optional: 0-20mA current clamp sensor.)
Voltage: 30-250V (expandable);
(Optional: Input range of electric field strength: 30kV/m~300kV/m.)
Angle: 0-306º
Resistive current: 0-20mA (expandable);
Capacitive current: 0-20mA (expandable);
Measurement accuracy:
Current: when the full current is >100μA: ±5% of reading ±1 word;
Voltage: When the reference voltage signal>30V: ±5% of reading ±1 word.
Measurement parameters:
Leakage current: full current waveform, fundamental effective value, peak value.
Leakage current resistive component: waveform
1, 3, 5, 7, 9 valid values.
Positive peak Ir+ negative peak Ir-.
Capacitive current fundamental wave.
Voltage: voltage waveform, voltage effective value.
Phase angle difference, power consumption.
Voltage reference signal sampling method:
Wired synchronization: 40 meters (expandable)
Wireless synchronization: >1500 meters (expandable)
Lithium battery parameters:
Charging time> 2.5 hours
Continuous working time> 7 hours
Intermittent working hours> 7×24 hours
Whole box size: host 42cm×34cm×18cm
Whole box weight: host 7.5kg
Features
Handheld device: The host and unit are both handheld terminals, which are compact and reliable in use.
Color touch screen: 800×480 high-definition color touch screen, man-machine dialogue. The unit can be equipped with a screen display to achieve dual-screen display of the host and the unit.
Large wireless distance: compatible with wireless synchronization, wireless transmission signal exceeds 1500 meters, optional can reach 5000 meters.
There are many synchronization methods: support 485 wired synchronization and wireless synchronization; the voltage-free method can find three synchronization methods of voltage reference through software calculation.
Compatible with live power failure: suitable for use in places such as lightning arrester live, power failure or laboratory.
Large range acquisition: voltage acquisition range 0-250V, current acquisition 0-20mA.
Three-phase test: Really achieve simultaneous test of three-phase current and three-phase voltage to improve work efficiency; support single-phase test or two-phase test at the same time, easy to choose.
Safe and reliable: There is only weak current inside the instrument, and the voltage does not exceed 8.4V; the current and voltage sensors are completely isolated, safe and reliable.
Optional voltage mode: support the use of three-phase or B-phase voltage reference as the voltage reference; support the use of the induction board to take the B-phase electric field strength as the voltage reference (optional), this function is convenient for voltage sampling.
Current mode is optional: you can use wire to sample the leakage current at both ends of the arrester counter, or you can use a current clamp to collect the leakage current of the ground wire of the arrester (optional).
Standard side with anti-interference processing: with anti-interference calculation function and angle compensation function, completely solve the situation of three-phase interference 220KV and higher voltage level needs.
Built-in lithium battery: The standard configuration comes with a high-energy lithium-ion battery, which is especially suitable for occasions without power supply.
High-speed sampling: high-speed sampling frequency, advanced digital signal processing technology, strong anti-interference performance, and high accuracy of measurement results.
Built-in calendar clock: Built-in calendar clock provides time basis for printing and saving data.
Mass storage of test data: This machine is equipped with large-capacity storage for mass storage of data. It has data storage and data browsing functions, and has a power-down protection function.
U disk export test data: equipped with U disk export data function, export word files.
Bluetooth control and upload data: standard Bluetooth function, equipped with Android Bluetooth APP, you can use your mobile phone or tablet to install the APP to control, upload, and generate word files.
The background color is easy to switch: the screen color can be set, it can be changed to a blue pattern with a pattern, a black pattern with a pattern, and the background brightness, standby brightness and standby time can be set.
Built-in training materials: The screen is equipped with various wiring methods to guide on-site use.
Input test information in Chinese: You can input related sites, equipment, personnel, remarks, etc. in Chinese, which is convenient for marking and saving test data, and for marking and printing test data.
Switch between Chinese and English: You can switch between Chinese and English interfaces directly, compatible with Chinese and foreign use occasions (optional).
Easy to carry: The main unit and the unit are composed of two parts, plus a dust-proof and anti-corrosion integrated chassis, which is small in size, light in weight and easy to carry.
It has optional functions, the standard version does not have optional functions, customers can customize according to their needs.