Explosion-proof instrumentt

The basic function
Multi-function LCD display window.
Peak retention function.
External serial printing function.
Real-time clock function, automatic leap year leap month, built-in power protection.
Multi-unit switching function.
Manual/automatic accumulation function.
Preset tare weight function.
The upper and lower limit alarm function, HIGH-OK-LOW status indicator.
Level 4 battery indicator, under-voltage alarm and automatic shutdown function.
The design of low power consumption, automatic dormancy and multi-level power saving mode.
Multistage backlight brightness adjustment.
As many as 99 groups of weighing data and time storage and query.
It adopts circuit board sealing protection technology.
Use the anti-static button panel, 6 light touch keys.
optional
It can be used for the power supply of this antiexplosion type lithium battery or optional dc power supply.
It can be selected with RS-232C and RS485. Baud rate is optional.
It can be equipped with large screen communication and 20mA current ring connection mode.
It can be selected with 4~20mA passive analog output.
It can extend the 2 channel I/O control port.
Stainless steel waterproof case, protection grade IP65.
Technical parameters
Using 32-bit low-power ARM processor, the main frequency is 50MHz.
Accuracy grade: level 3.
The maximum test score: 3000.
High precision digital mode conversion technology, readability reaches 1/30000.
Input signal range: -19mv ~ 19mV.
Conversion speed: less than 80 times/SEC.
Nonlinearity: less than 0.0015%.
For bridge voltage: DC 5V.
Sensor connection: 1 ~ 4 only 350 Ω sensor
Value: 1/2/5/10/20/50.
Power supply: AC 220V / 50~60Hz (optional)
9.6V / 3AH lithium battery pack.
Temperature: 0 ℃ to 40 ℃
Storage temperature: 25 ℃ ~ 55 ℃
optional
Large screen interface:
Signal output mode: current loop signal.
Baud rate: 600
Transmission distance: no more than 200 meters.
Serial communication interface:
The method of RS232C and RS485.
Baud rate: 600/1200/2400/4800/9600 optional.
Transmission distance: no more than 30 meters (RS232C)
Less than 1000 m (RS485)