23 Specifications
45
23 Specifications
Suitable Applications
The LR810 measures weight by sensing the hydraulic pressure required to
lift a load. An optical trigger mechanism senses the position of the lifting
arms.
Typical vehicles using the LR810 system are:
• Front end loaders (bucket and/or fork)
• Fork lift trucks
Weighing Accuracy
Typical accuracy is ±1% for most bucket loaders. This may vary with
different machine types and installation options.
Minimal Weighing Delay
Weighing delay is minimal, because the weighing function is carried out
during a normal lift.
LR810 Power Requirements
Supply Voltage 11.4 to 32 Volts DC
Supply Current LR810 - 120mA typical, 220mA max.
LP750 printer - 50mA standby, 4A peak.
LD640 data logger - 120mA.
Automatic transient suppression exceeds relevant SAE specifications for DC
automotive power supply transients.
Clock and data backup 9V alkaline battery (8µA typical drain).
Typical battery life 2-3 years.
Signal Inputs and Outputs
Pressure transducer inputs 1 - 20mA (0-100%)
Trigger inputs Pull up resistor requiring switch to ground.
Serial communications RS232C protocol to printer and data logger.
Display / Keyboard
Main display 2 line by 20 character backlit LCD.
alphanumeric.
Auxiliary display 6 digit numeric only backlit LCD.
Keyboard 21 keys including numeric and special function
keys.
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