2 key functions, 2 functions of the weighing machine – LW Measurements HRB 303 300g x 0.001g User Manual
Page 9

4 Working with the application menu using
the Intelligent Key-Pad
4.1 Display messages and key functions
4.1.1 Display messages:
4.1.2 Key Functions:
1. The On/Off key is to turn the Balance On or Off (Note: it has an On/Off
hard switch at the bottom)
2. The ZERO key allows the subtraction of multiple container values
through the weighing range and is used to set or re-adjust the weighing
machine in correct zero position.
3. The Print key is send data to external device through RS232 connector.
4. The UNIT key is to toggle between different weighing units.
5. The TARE allows the user to subtract the container value and returns
the display to zero
15
2.1.2 Functions of the weighing machine
The HRB Series are high-quality electronic precision weighing machines with
the following specifications
8
Model number
Capacity
Graduation
Weighing pan Size
HRB(-E) 103
100g
0.001g
Φ98mm
HRB(-E) 203
200g
0.001g
Φ98mm
HRB(-E) 303
300g
0.001g
Φ98mm
Net/gross weight
2.2kg / 3.1kg
Package
(Standard carton)
35 Ч 28 Ч35 (cm
3
)
Package
(Master carton)
2 units in one box: 59Ч38Ч39 (cm
3
)
Operating Temp.
0-40
℃ (32-104℉)
Power source
6 x AA dry cells(not included) or AC/DC
Adapter 10~12V/150mA
Low battery indicator
Negative value indicator
Stable indicator
Weighing units
Zero indicator
Tare indicator