Measurement Systems MSI5300 Manuel utilisateur
Measurement
Systems
International
User
Guide
Quality
Industrial
Weighing
and Force
Measurement
Equipment
LOAD RANGER
WHEEL LOAD WEIGHERS
MSI5300
Page 2 MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
Program Number Capacity and Resolution
Serial Number Cal Number
IMPORTANT
Please read this manual carefully before using the Load Ranger
MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide Page 3
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
TABLE OF CONTENTS
General Description .................................................. 3
Specifications ............................................................ 3
Unpacking ................................................................. 3
Operational Controls and Indicators......................... 4
Figure 1-Switch and Display Functions .................... 4
Basic Operation......................................................... 4
Display Functions ..................................................... 5
Figure 2-Low Battery Message ................................. 6
ZERO Switch Function.............................................6
Recommended Methods and Procedures for
Vehicle Weighing ..................................................... 6
Battery Charger Operation........................................ 6
Battery Removal ....................................................... 6
Figure 3-Illustrated Weighing Procedures ............... 7
Charging the battery ................................................. 8
Figure 4-Battery Charger AC Selector
Switch Location .......................................................... 8
Figure 5-Battery to Charger Insertion/Removal ........ 9
Instructions for Low Temperature Operation............ 9
Calibration Procedure ............................................. 10
Figure 6-Calibration Adjustment ............................. 10
The MSI Limited Warranty ..................................... 12
Page 4 MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
GENERAL DESCRIPTION
The MSI-5300 Load Ranger is a self-contained wheel load weighing scale
designed for maximum flexibility, portability and simplicity in providing an
accurate and reliable mobile weighing system.
SPECIFICATIONS
Accuracy: 1.0% Approved to NIST, Class IV standard
Capacity: 20,000 lbs. (10,000 kgs)
Resolution: 20 lbs. (10 kgs) 50 lbs. (20 kgs) - NIST
Power: 6 volt rechargeable / 40 hours between charging
Battery Charger:
115/230 VAC External or 12 VDC External (will charge up to 4
batteries simultaneously)
Display: 5 digit, 0.8 inch (20mm) Liquid Crystal Display
Annunciators: Low Battery
Operating Temperature:
-25°to 140°F (-32°to 60°C)
Safe Overload: 150% of capacity
Ultimate Overload:
200% of capacity
Weigh Pad Dimensions:
24.0 L x 15.5 W x 3.0 H inches (609 x 393 x 76 mm)
Weight: 43 lbs. (19 kg) per pad
Controls: On/Off and Zero switches
Enclosure: • Environmentally sealed, corrosion-resistant cast aluminum.
• Shock mounted electronics.
• Skid resistant rubber base pads.
UNPACKING
When unpacking insure that all items ordered are accounted for. Inspect all
items carefully for any visible damage and immediately report any damage to
your shipping agent. Verify receipt of all items ordered including:
1. Weigh Pads 3. Battery Charger (optional) 5. Warranty Card
2. Battery(ies) 4. Owners Manual
Please use the original shipping container when shipping the Load Ranger.
Please complete the warranty registration card and mail to Measurement
Systems International to register your warranty.
MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide Page 5
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
OPERATIONAL CONTROLS AND INDICATORS
This section summarizes the switch and display functions (See Figure 1):
Figure 1
Switch and Display Functions
1) On/Off – Pushing this switch alternately turns the weigh pad on and off.
2) Zero – Pushing this switch sets the display to zero.
3) Display – Five-digit numeric display indicates the amount of weight
placed on the scale as well as test and warning messages.
BASIC OPERATION
Power Up Self-Test
When the weigh pad is turned on, the following sequence is displayed:
1) Display Test – Proper display operation is verified as all display
segments are first turned on (display shows “=88888”) and then off
again for several seconds. This allows the operator to detect faulty
segments which fail to illuminate.
2) Program Number – This is the version number of the microcomputer
software controlling scale operation. This number is displayed in the
format P-XX where XX is the version number of the software program
currently installed.
Page 6 MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
3) Zero Offset – This numeric value indicates the weight that must be
internally subtracted to cause the scale to display zero weight with no
applied load. (If this number exceeds ±500 lbs. or ±250 kg with no
weight applied, the scale may require servicing).
4) CAL Number – This number represents an internally simulated weight
applied to the scale electronics. With no weight on the pad this number
should agree with the CAL Number stamped on the serial number plate
within plus or minus two scale divisions. (One scale division is the
scales smallest unit of resolution. For example, one scale division for a
20,000 x 20 lb. capacity scale is 20 lbs.).
DISPLAY FUNCTIONS
After the power-up self-test is complete the scale automatically zeroes so that a
weight reading of “00” will appear. In addition to displaying the weight reading
when the scale is loaded, three other conditions may be displayed:
1) Overrange Message:
If the weight applied to the scale exceeds its rated capacity by more than
approximately 4%, the message “EEEE” will flash on the display. For
example: 20,000 lb. (10,000 kg) capacity, the overrange threshold will
be approximately 20,800 lb. (10,400 kg).
2) Minus Sign:
A minus sign to the left of the weight reading indicates negative weight
relative to the actual weight applied to the scale the last time the zero
button was pushed. For example, a display reading of -1200 lbs.
indicates the current weight on the pad is 1200 lbs. less than the weight
on the scale the last time the Zero button was pushed.
3) Low Battery Message:
When the battery is approximately 90% discharged, a low battery tick in
the upper left corner of the display (just above the minus sign) will
begin to flash. The scale will continue to operate for 1 to 2 hours after
the tick begins to flash, after which the scale will automatically turn off
to prevent scale error and battery damage due to excessive discharge.
MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide Page 7
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
Figure 2
Low Battery Message
ZERO SWITCH FUNCTION
During normal weighing operations it is not necessary to use the zero switch. It
may be necessary to zero the weight display due to environmental effects such
as temperature change.
Another function of the zero switch is found in net weighing applications where
a tare weight (such as an empty truck) is placed on the scale and the Zero
button switch is pushed to zero the display. The pad will now display the net
weight (the weight of the vehicle payload as it is loaded).
RECOMMENDED METHODS AND PROCEDURES FOR VEHICLE WEIGHING
Accurate weighing of highway vehicles requires using a sufficient number of
properly placed pads for the type of vehicle (number of axles etc.) being
weighed. See Figure 3 to determine the number of weigh pads required.
BATTERY CHARGER OPERATION
Battery Removal
To remove the battery from the scale, turn the pad over and locate the battery
access cover. Use a screwdriver to remove the (3 each) flathead screws, pull the
cover and remove the battery.
Page 8 MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
Figure 3
Illustrated Weighing Procedures
MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide Page 9
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
CHARGING THE BATTERY
The Load Ranger battery charger will charge up to four batteries at one time in
approximately 6 hours. The battery charger has both an AC and a DC power
cord for operation for 115 V/230 V, 50 /60 Hz AC power or 12 VDC vehicular
power. The AC power cord is permanently connected and may be wrapped
around the charger handle when not in use. The DC power cord plugs into the
12 VDC power receptacle on the charger.
Note: The DC power cord must be unplugged from the charger when AC
power is preferred.
Note: When powering the charger from the AC supply verify that the 115/230
V selector switch is in the appropriate position (See Figure 4).
.
Figure 4
Battery Charger AC Selector Switch Location
When powering the charger from a 12 VDC source the DC power cord pigtails
are connected as follows:
1) The red pigtail connects to the positive 12 VDC supply terminal.
2) The black pigtail connects to the negative 12 VDC supply terminal.
3) The white pigtail connects to the ground (chassis or frame of vehicle).
The 12 VDC power source must be capable of supplying at least 3 amps at 11-
15 VDC. It is advisable to connect the positive and negative leads to a fused
circuit not shared by other vehicular loads. The electrical connection to the
vehicle battery should be as direct as possible.
Page 10 MSI-5300 Load Ranger Electronic Wheel Load Weighers •User Guide
M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
After the battery charger power is connected, the red status lamps next to each
of the battery wells will illuminate to indicate the battery charger is functioning
properly and is ready to receive the discharged batteries. The discharged
batteries may now be inserted into the battery wells. Check alignment of battery
terminals with battery charger clips and adjust battery position as necessary
while pushing the battery into place (See Figure 5).
Figure 5
Battery to Charger Insertion/Removal
The status lamp nearest the inserted battery should now go out indicating that
the battery is charging.
When the lamp illuminates, the battery has been charged to at least 80% of its
capacity. This takes about 4 hours to charge a fully discharged battery. An
additional 2 hours of charging is required to reach full capacity. The battery
may be left on charge as long as desired without harm to the battery.
After the battery is fully charged, remove it by gripping firmly and lifting the
terminal end upward. The battery should slide clear of the battery terminal clips
and be easily removed from the enclosure.
INSTRUCTIONS FOR LOW TEMPERATURE OPERATION
1) Display
At temperatures below 14°F (-10°C) the display may respond somewhat
slower (up to a few seconds) to weight changes but will otherwise
function properly at temperatures as low as -25°F (-32°C).
2) Battery
At temperatures below 16°F (-9°C) there is a possibility the battery
electrolyte may freeze, making the scale inoperative and possibly damag-
ing the battery. However, if the battery is not allowed to discharge to less
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