Summary of Contents for CGEO CGEO-PR-VW
- Page 1 CGEO INTERNATIONAL LIMITED Model CGEO-PR-VW Vibrating Wire Portable Readout Operation Manual （REV B）...
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Page 2: Section 1 : Introduction
The techniques described are intended to serve as a general guide and may vary to suit particular site conditions. Section 1 : Introduction The CGEO Vibrating Wire Readout has been designed for the measurement of vibrating wire sensors as manufactured by CGEO INTERNATIONAL LIMITED and of some other manufacturers. Main Features: 1.01... - Page 3 CGEO-PR-VW Vibrating Wire Portable Readout 1. The CGEO VW Readout Box uses membrane keys. 2. 128×64 lattice LCD, which can show four rows of characters. 3. “TRANSDUCER” is for connection of the transducers. 4. “CHARGER” is for charging the battery or power supply.
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Page 4: Section 2 : Getting Started
2.01. Transducer Port The CGEO Readout Box is equipped with a jumper cable to read the transducer. One end is a five-core aero-jack which is connected to “TRANSDUCER” port. The other end has alligator clips with leads of five colours of which the “red”... - Page 5 If the battery voltage is low. In normal conditions, the self-check will be completed within one second. Within this time the CGEO VW Readout will automatically identify if there is any transducers connected. If no transducer is connected screen will remain the same until changed by the operator.
- Page 6 CGEO-PR-VW Vibrating Wire Portable Readout If the transducer has been connected after the self-checking mode then the screen will be as above for CGEO transducers. If another manufacturer’s transducer is being read it may be necessary to reset the mode.
- Page 7 “Mode” (Frequency Range) In order to read different types of transducers, there are six DISPLAY MODES in the CGEO-RO-VW which can be set at any time. After getting started, choose DISPLAY MODE to select the correct frequency range. Table 1 - DISPLAY MODE options (A-F) Operation method: Press “MEAS”, the following screen...
- Page 8 CGEO-PR-VW Vibrating Wire Portable Readout If it is required to store the current reading simply press “SET”. Then press “MANS” to return to the measuring mode. Even if the readout box is turned off it will still measure in this mode when turned on again.
- Page 9 CGEO-PR-VW Vibrating Wire Portable Readout “▼” “▼” once. 5) Press “▲” scroll the stored readings simply press “▲” “▼”. If you need to scroll rapidly, hold down “▲” 6) Connect other transducers and repeat Step 4. CGEO INTERNATIONAL LIMITED Installation Manual...
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Page 10: Section 4 : Main Menu
CGEO-PR-VW Vibrating Wire Portable Readout Section 4 : Main Menu Main Menu Display 4.01 After getting started, press “SET” to go to the main menu, and the following screen will appear. Press “▲”or “▼” to select, and the cursor, the black rectangle will move accordingly. -
Page 11: Storage Page
CGEO-PR-VW Vibrating Wire Portable Readout Press “▲” or “▼”to change the data; And if there is no need to change, simply press “ ” to move the cursor to the next one. The rule of changing data is: a) “Box No.” is from “01” to “15”;... - Page 12 CGEO-PR-VW Vibrating Wire Portable Readout In this screen, all stored data in SRAM will be marked with “delete” sign. Thus in “Data View” it will show “No Storage”, and in “Data Updating” it will “not update”. After finishing “Data Clean-up”, the system will exit to main menu automatically.
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Page 13: Data View
******. **Hz, Resistance *****Ω.If the mode is “Modulus and Temperature”, the display information is: Modulus ******.*F, Temperature ****° C. (Note: If the used temperature sensor is not from CGEO there may be some error. If the selected screen is empty or has been deleted, in “Frequency and Resistance”... - Page 14 CGEO-PR-VW Vibrating Wire Portable Readout the display will be: Frequency: -------F, Resistance: ----Ω. Now press“ ”, “No Data”will show. In the display the first line is the Head Address 00 01 01. Press “▲” or “▼” to change the channel number and the last line will be the time the data was stored “YY-MM-DD H: M”.
- Page 15 CGEO-PR-VW Vibrating Wire Portable Readout if the cursor is under “Box No.” or “Channel No.”,press “▲” for more than 1s, the data will increase rapidly; d) Press “▼” quickly each time, the data on the cursor will decrease 1; and if the cursor is under “Box No.”...
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Page 16: Display Model
CGEO-PR-VW Vibrating Wire Portable Readout if the cursor is under “Century Code” “YY” “MM” “DD” “Hour” “Minute”, press “▲” for more than 1s, the data will increase rapidly; i) Press “▼” quickly each time, the data on the cursor will decrease 1; and if the cursor is under “Century Code”... - Page 17 CGEO-PR-VW Vibrating Wire Portable Readout d.)Temperature: The temperature of the environment of the measured instruments (Unit: ° C; Range:-30° C— +85° C) for CGEO products. In which: T = Temperature LnR = logarithm of resistance A=1.4051×10 (the temperature is from -50 to +150° C) B=2.369×10...
- Page 18 CGEO-PR-VW Vibrating Wire Portable Readout Exit 4.02.10 When selected the Readout will return to the main menu. CGEO INTERNATIONAL LIMITED Installation Manual...
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Page 19: Section 5 : Maintenance
Prevent any liquid entering into the connection ports on the panel. 5.02 Charging CGEO Readout Box is equipped with a high volume Lithium cell, if it is not operated correctly, the life of the battery will be shortened unless the following steps are taken: a) The new battery is undercharged, and only about 20% of the rated volume. - Page 20 CGEO-PR-VW Vibrating Wire Portable Readout another gauge. Repeat the steps, if the result is ok, it shows that the first gauge is not operational; and if still doesn't work consult the factory to schedule return and repair of Readout Box.
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Page 21: Section 6 : Guarantee And Warranty
CGEO INTERNATIONAL LIMITED warrants that they will be responsible for any manufacturing defects for the period of 12 months from the date of the invoice. CGEO will not be held be responsible for any liquidated damages of any kind that may occur due to any problems of any kind that may arise from the use of this product.