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DS-520 D D D D i i i i g g g g i i i i t t t t a a a a l l l l I I I I n n n n d d d d i i i i c c c c a a a a t t t t o o o o r r r r O O O O p p p p e e e e r r r r a a a a t t t t i i i i o o o o n n n n M M a a a a n n n n u u u u a a a a l l l l...
DS-520 SERIES OPERATING MANUAL INDEX SECTION PAGE NUMBER GENERAL 1.1. Features 1.2. Keyboard & Display Layout 1.3. Key Switch Information 1.4. Indicator Lamp Information SPECIFICATIONS 2.1 Technical Specifications INSTALLATION 3.1 Un-packing 3.2 Inspection 3.3 Re-packing 3.4 Un-locking Procedure DS-520 OPERATIONAL PROCEDURES 4.1.
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1.0. GENERAL 1.1. Features • Wash down (IP-65) digital weighing scale • Quick response to weight changes • Capacity: 60 lb, 150 lb, 300 lb • Resolution: A. Display resolution1/1000 (multi range) internal res.1/6000 B. Display resolution1/3000 (single range) internal res. 1/24000 •...
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1.3. Key Functions • REZERO Key Reset weight display to zero • TARE Key Set or clear a tare • ON/OFF Key Turn the power ON or OFF 1.4. Indicators Lamps • Zero On when zero point is adjusted and when weight is stable •...
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2.0. SPECIFICATIONS 2.1.1. Technical Specifications This section includes a detailed listing of all pertinent specifications and parameters for the DS-520 weighing scales. The system weighing accuracy is 0.03 % . All models meet or exceed the requirements of OIML, Class III, and NIST Handbook, Number 44. 2.1.2.
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3.2. Inspection Immediately after unpacking, a visual inspection of the scale should be performed. If any damage has been incurred during transportation notify the shipper and Rice Lake Weighing systems immediately. Instructions for assessment of damage and further procedures will then be determined.
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4.0. DS-520 OPERATIONAL PROCEDURES 4.1. Power On/Off 1. Press [ON/OFF] key to turn on the scale. The display will briefly show all segments, then blank for a second, then go into weighing mode. 2. Press [ON/OFF] key to turn off the scale. 4.2.
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4.3. Rezero Example 1 Begin in the weighing mode with the scale showing 0.00 Example based on 60 lb scale. 1. Place 20 lb on the scale. 2. Press the [REZERO] key. The display will show all segments briefly, then go to 0.00 Example 2 Begin in the weighing mode with the scale showing 0.00 Example based on 60 lb scale.
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5.0. MAINTENNCE MODE 5.1. Specification Entry Example : Begin in the weighing mode with the scale showing 0.00 1. Press and hold [REZERO] key, while holding the [REZERO] key, press [TARE] [TARE] [ON/OFF] then release the [REZERO] key. The display will show all 8’s while holding the [REZERO] key, when the [REZERO] key is released the scale will be in the Maintenance Mode.
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5. Press the [TARE] key. To store spec data and advance to the next spec. S1 0 0 0 6. Press the [TARE] key. To store spec data and advance to the next spec. S2 0 0 0 7. Press the [TARE] key. To store spec data and advance to the next spec. S3 0 0 0 8.
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5.4. Specification List Bit 2 Spec no. Bit 1 Bit 0 Decimal Point Position 0 0 0 = no decimal point 1 0 0 = 5 digit (00.0000) 0 0 1 = 2 digit (00000.0) 1 0 1 = 6 digit (0.00000) 0 1 0 = 3 digit (0000.00)
5.6. Maintenance, Calibration, Test Procedure & Service This section contains information and instructions concerning maintenance of the DS-520 Weighing Scale. Preventive maintenance consists of periodically cleaning the external surfaces of the instrument and should be performed as often as operating conditions warrant. The calibration procedure is designed to be an aid in maintaining the scale accuracy within specifications.
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DS-520 Limited Warranty Rice Lake Weighing Systems (RLWS) warrants that all RLWS equipment and systems properly installed by a Distributor or Original Equipment Manufacturer (OEM) will operate per written specifications as confirmed by the Distributor/OEM and accepted by RLWS. All systems and components are warranted against defects in materials and workmanship for two (2) years.
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