Gram K3 - INTRODUCTION AND BASIC OPERATION; KEYPAD AND LCD DISPLAY

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Linearity error
≤0.01% of the measuring range
Excitation voltage
5 Vdc
Minimum impedance of the
transducer
· Without relay card: 31,666 Ω (12
cells x 380 Ω)
· With relay card: 47.5 Ω (8 cells x 380
Ω)
Cable length
30 m/mm
2
max. (6 wires)
User interface
Main indicator
6 LCD digits, 25.4 mm high and
weight limit display
Backlit with a 3-led panel back light
(RGB)
Touchpad keyboard
11 keys
Sound warning
Mini intermittent sound piezoelectric
tweeter (2300±300 Hz y 85 dB)
Serial communications
Tx/Rx Port: (Port 1)
Bi-directional RS-232C
Tx/Rx Port: (Port 2)
Bi-directional RS-232C
Transmission rate
1200, 2400, 4800, 9600, 19200, 38400,
57600, 115200
No. of bits and parity
8 bits, no parity, 1 bit stop
Input/output options
Relay output
Relay card (3 outputs) for external
dosing/indication ("traffic light" type)
used for the weight control function.
Tare pedal
Pedal used for taring
RTC board
RTC for date and time (for printer
option)
Power supply
Connection to the electrical network
Through a 12V power supply; 1A
Battery
6V-5AH;
Service time 25/60 hours, depending
on use.
Operating conditions and mechanical data
Operating temperature range
+5ºC/+35ºC
Size (mm)
220 x 180 x 83
Weight (kg)
1.5 (including battery)
Assembly
Countertop
Optional: Tilting wall/column mount
Watertightness
IP-65 (K3); IP-67 (K3i)