DFRobot Gravity: Digital Weight Sensor

Sensor connection Note: Red Line — E+

                                                   Black Line — E-

                                                   White Line — S-

                                                   Green Line — S+

Features:

1. Two selectable differential input channels
2. On-chip active low noise PGA with selectable gain of 32, 64 and 128
3.  On-chip power supply regulator for load-cell and ADC analog power supply
4.  On-chip oscillator requiring no external component with optional external crystal
5.  On-chip power-on-reset
6.  Simple digital control and serial interface: pin-driven controls, no programming needed
7.  Selectable 10SPS or 80SPS output data rate
8.  Simultaneous 50 and 60Hz supply rejection

Specifications:

1. Two selectable differential input channels
2. On-chip active low noise PGA with selectable gain of 32,64 and 128
3. On-chip power supply regulator for load-cell and ADC analog power supply
4. On-chip oscillator requiring no external component with optional external crystal
5. On-chip power-on-rest
6. Simple digital control and serial interface: pin-driven controls, no programming needed
7. Selectable 10SPS or 80SPS output data rate
8. Simultaneous 50 and 60Hz supply rejection
9. Supply Voltage: 2.6V~5.5V
10. Current: <1.6mA
11. Working temperature: -40~85°C
12. 16 pin SOP-16 package

1. Range: 1kg
2. Excitation voltage: 5-15 V
3. Output sensitivity: 1.0±0.15mV/V
4. Synthetical error: 1 per thousand cent of full scale
5. Zero shift: 0.05/0.03 （30min）%F.S
6. Zero temperature shift: 0.05/0.03 %F.S/10°C
7. Zero output: ±0.1mV/V
8. Input impedance: 1055±15 Ω
9. Output impedance: 1000±5 Ω
10. Overload capability: 200 %F.S
11. Output: Analog output
12. Size: 33mm*38mm

Package Includes:

1 x Weight sensor module

1 x Weight sensor

2 x Sensor cable