Overloads Warning & Visual /Audio Alarm Systems

The ED2-SM Series SkidWeigh System is an electronic device that can be installed on any forklift truck in order to convert it into a mobile check weighing scale with overload warning. Every time a skid is picked up, the hydraulic pressure on the forklift is automatically activated and converted to a weight measurement and presented to the operator visually via a LED digital indicator.

Step 1. Pick up a skid and read the weight shown on the indicator.

Step 2. Compare the indicated weight against the reported weight and immediately make a decision:
A. If the weight variance is within the acceptable company level, then the skid can move on to a destination trailer or holding area.
B. If the weight variance is over the acceptable company level, then the skid is moved to the "Legal For Trade" floor scale for verification and creation of a scale ticket.

Load And Vehicle Stability
One of the most important elements to know about a forklift is the rated load capacity.  It is defined as the maximum weight of material that can be handled on the forks at a specific load center. When the weight of the load is not clearly marked, the standard practice is to lift the load off the ground and get a "feel" if the vehicle is stable.  This becomes a problem when unknown skid weights are picked up from the storage racks at various forks heights and mast angles. 

                                                   Solution                                                                                                                                                                                         The SM-Series SkidWeigh with it’s bright LED load weight readout will "flash" when overload is present. Optional buzzer will be activated as well when vehicle overloaded.

Installation

The SM-Series SkidWeigh can be installed and calibrated by a local forklift dealer or the end user’s forklift mechanic.

Technical Data

Electrical :
Voltage 12 V DC to 55 V DC
Current: Operating 20 mA
Current: Alarm On, 100 mA

Environmental :
Operating temperature -25 ºC to +70 ºC
Water and dust resistant
Triple shock mounting bracket included

Physical (Digital Indicator) :
Length 120 mm x Height 80 mm x Depth 55mm

Technology :
Micro Controller

Pressure Transducer :
Standard pressure port connection:  1/4"-18 NPT  male thread standard
Optional pressure port : M 12x 1,5 
Accuracy: +/- 0.3% of full scale
Repeatability: +/- 0.05% of full scale
Hysteresis: +/- 0.1% of full scale
Stability: +/- 0.2% full scale/yr

Temperature Information :
Compensation: 32° F to 175° F
Drift: +/- 0.03% /50 ° F
Medium: -22° F to 212° F
Ambient: 14° F to 175° F
Storage: -40° F to 212° F

Materials of Construction :
Casing: Stainless steel 1.4305 (AISI 303)

Weight : 95 grams

Shock Sensitivity : <+/- 0.05% full scale @ 100g for 20 ms

Vibration Sensitivity : <+/- 0.05% full scale @ 35g & 5-2000Hz

Response Time : < 0.1 ms, 10-90% FS

Frequency Limit : 150 Hz

Proof Pressure, 2.5  x range

Burst Pressure, 2.5  x range

Output, 3 wires 0 - 2.5 V DC

Protection : Environmental:  IP67

Fault Protection :
Reverse polarity
Over voltage
Short circuit

Swiss Made Pressure Sensors

 Standard outside thread  1/4"-18 NPT male thread with pressure tip orifice 

System Check Weighing Accuracy : +/- 0.5% to 1% of vehicle lifting capacity

click on image to enlarge

Compact size, Length 120 mm x Height 80 mm x  Depth 55 mm

Integrated Visual Data Technology Inc. Oakville, Ontario, Canada