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Summary of Contents for Rice Lake Ranger Series
- Page 1 Ranger Series Load Cell Simulators Operation Manual 105354 Rev A...
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Page 3: Table Of Contents
715-234-9171 and asking for the training department. Rice Lake Weighing Systems. All rights reserved. Printed in the United States of America. Specifications subject to change without notice. Rice Lake Weighing Systems is an ISO 9001 registered company. - Page 4 Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost. Visit www.ricelake.com/webinars. Ranger Series Operation Manual...
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Page 5: Introduction
• This has the same features as the Ranger 3 with the addition of a 3-range, 10-turn locking vernier. These three Ranger Series Simulators connect using binding posts color coded to the ISA S37.8 standard, and will accept standard banana plugs or up to 14 gauge wire. - Page 6 • Output Range: 0-3mV/V in, 0.01mV/V steps (300 precision fixed steps) This simulator comes with Type 2758 (by Low Thermal Electronics Inc.) precision gold plated low thermal EMF 5-way binding posts for highest accuracy. Standard banana jacks at 0.75” pitch, or up to 14 AWG wire. Ranger Series Operation Guide...
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Page 7: Ranger Simulators 1, 3 And 5 Operation
• Dampness, water, or other contaminants on the face of the simulator can cause leakage current between terminals. Keep the face and the terminals clean and dry when using the Ranger Series simulator. • The binding posts are heavily plated, but should some corrosion occur, clean the posts before attempting to use the unit. -
Page 8: Sample Calculations
Sample Calculations A Ranger simulator may be used to perform calibration of scale systems prior to installation, or test installations prior to installation. These are NOT procedures that can be used to certify a scale, but they will provide calibration results satisfactory for most process weigh scales. - Page 9 6. Calibrate the span of the indicator using the actual weight expected value from Step 2 as the weight value (WVal for most Rice Lake indicators), 499.5005 lb for this example. 7. When the indicator is connected to the actual scale, use the calibration REZERO function to account for any deadload on the load cell.
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Page 10: Ranger 7 Simulator Operation
Ranger 7 Simulator Operation Offset Switch Binding Posts Variable Switch EXC LEDs OFFSET VARIABLE 0.5mV/V + – – High Resolution Load Cell Simulator 0.1mV/V PUSH TO ENABLE PUSH TO ENABLE ±25μV/V HOLD TO CHANGE RANGE Toggle Switch 0.5mV/V 0.1mV/V 0.01mV/V ZERO Switch One Switch Two... -
Page 11: Offset
3. Calculate the required wattage using . Use the next highest wattage value. ((ExcV x ExcV)/R) x 1.5 In a 16 load cell example, the 22 ohm resistor will have to be rated at least 6.8W. 7W is a common size. If the excitation voltage is higher, a higher wattage resistor will be required. -
Page 12: Troubleshooting With A Simulator
A simulator gives a fixed point from which all other system components can be judged to be properly working. Below are some tips for using a Ranger Series simulator as a troubleshooting tool. Is the indicator working correctly? •... -
Page 13: Product Specifications
Product Specifications Impedance: Ranger 1: 700 ohms nominal Ranger 3 & 5: 350 ohms nominal Output Ranges: Ranger 1: 0 to 3 mV/V continuously variable Ranger 3 & 5: -0.5, 0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, and 4.5 mV/V Vernier (Ranger 5 only): Fine: -0.02 to +0.5 mV/V of selected range... -
Page 14: Limited Warranty
Limited Warranty Rice Lake Weighing Systems (RLWS) warrants that all RLWS equipment and systems properly installed by a Dis- tributor 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 one year. - Page 16 230 W. Coleman St. • Rice Lake, WI 54868 • USA U.S. 800-472-6703 • Canada/Mexico 800-321-6703 • International 715-234-9171 • Europe +31 (0) 88 2349171 www.ricelake.com www.ricelake.mx www.ricelake.eu www.ricelake.co.in m.ricelake.com © Rice Lake Weighing Systems 02/2014 PN 105354 Rev A...
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