Gram K3 - TECHNICAL SPECIFICATIONS AND ERRORS

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21. TECHNICAL SPECS
Load cell connection
Maximum input signal
±4 mV/V
Maximum input voltage
-0.3 to 5.3 V
Internal resolution
AD 20bits converter, 1000000 counts (100000
external)
Measurement frequency
10 samples per second
Linearity error
≤0.01% of the measurement range
Exciting voltage
5 Vdc
Minimum transducer
impedance
· Without relay board: 31,666 Ω
(12 cells x 380 Ω)
· With relay board: 47.5 Ω (8 cells x 380 Ω)
Cable length
30 m/mm
2
max. (6 wires)
User interface
Main indicator
6-digit LCD 25.4 mm in height and weight
limits visualizer.
Backlit with 3-LED (RGB) back light panel
Keypad
11-key keypad
Acoustic warning
Piezoelectric intermittent-sound mini-buzzer
(2300±300 Hz y 85 dB)
Communications
Port Tx/Rx: (Port 1)
Two-way RS-232C
Port Tx/Rx: (Port 2)
Transmission-only RS-232C.
Transmission speed
1200, 2400, 4800, 9600, 19200, 38400, 57600,
115200
Number of bits and parity
8 bits, no parity, 1 bit stop
Input / output options
Wi-Fi 802.11 board
Wi-Fi adapter for Ethernet communication via
TCP socket
RTC board
RTC for date and time
3-relay board
240VAC / Max current 15A / 360W