Digital junction box & Digital sensor module
Application
digital electronic scale can be combined of digital junction box, common analog sensor and digital instrument, with the digital sensor module as the core component of a digital sensor.
A/D digital module Main Technical Index(seal in digital sensor)
Range of input signal: -18~+ 18mV
A/D conversion: 24-bit sigma-delta A/D conversion
A/D sampling frequency: 38.400 kHz
Nonlinearity: ≤0.0015% F.S.
Gain error drift: 1 ppm/℃
Minimum resolution: 0.1uV/d
Supply voltage: DC5V
Operating temperature: -40~+85℃
Relative humidity: ≤90%R.H
Power supply: DC5.5~15V/20mA
Digital junction box external size: 178*120*35mm
Digital sensor module: diameter 29cm
Main Technical Index
Address programming function
Linear correction function
Modification function of filtering progressions
Standardized programming function for sensors
RS-485 (semi duplex, anti-static electricity) communication with the baud rate of 9600
4, 6, 8, 10 channels is available for digital junction boxes for selection
Main Performance
6-bit 0.8 inch high-light LED display, plastic shell, AC/DC (DS9/DS9P)
6-bit VFD (vacuum fluorescent display); stainless steel (DS5)
Be capable of displaying mill volt signal, and easy to detect whether the sensor is in good condition or not
Filtering progression adjustment (Grade 1-4) and the T3.0 of stabilization control procedure
Sensor long-line compensatory function, and the sensor main line may longer
No re-scaling is needed during instrument changing
Automatic switching in 3 graduations
Perpetual calendar clocks, not power failure influence
Large capacity memory, may store reaches 1521 group of weighing records
3-level timing power off
20mA current loop and RS-232C or RS-485 (optional) serial communication interface
Baud rate 1200/2400/4800/9600 (optional)
The standard parallel printer connection, may match meets each kind of needle type printer (DS5/DS9)
Built-in EPSON 150-II mini-printer (DS9P)