RO-1-VW-3_Vibrating Wire Handheld Readout_Rev01
Contents
1. 50 C THERMISTOR Thermistor type 3kO Thermistor range 0 to 60 C Thermistor accuracy 0 5 C Thermistor resolution 0 1 C BATTERY Battery size 4 x AA LR6 MN1500 Battery life 12 hours continuous use IP rating IP66 Auto power off 20 minutes from last button press Display LCD back light 60 x 15mm 2 rows of 16 characters DIMENSIONS amp WEGHTS Dimensions L 260mm x W 125mm x H 50mm Weight 490g Dependant on battery type ORDERING INFORMATION PART NO DESCRIPTION RO 1 VW 3 Vibrating Wire handheld readout RO 1 VW 2 7 Readout to terminal box flylead CONTACT DETAILS Soil Instruments Limited Bell Lane Uckfield East Sussex TN22 1QL United Kingdom Tel 44 0 1825 765044 Fax 44 0 1825 761740 Web www soil co uk Enquiries sales soil co uk This information is intended as a general guide For full installation instructions please refer to the relevant user manual Our staff are available to provide technical support or to carry out complete installations as required2. VIBRATING WIRE HANDHELD READOUT Lightweight less than 500 grams Compact 260 x 125 x 50mm Runs on standard AA batteries disposable or rechargeable 4 sweep ranges means nearly all VW sensors can be read User selectable reading units Direct reading of temperature in degrees Celsius Display backlight The Vibrating Wire Handheld Readout is a highly portable lightweight device which can read most commercially available vibrating wire sensors It is powered by standard AA cells and has a long battery life and an automatic switch off function It is designed for one handed operation for ease of use Four independent sweep ranges are selected via the front panel and the readings can be displayed in Hz F 1000 or period units The readout can also read thermistors if fitted to the instrument with the reading being displayed alongside the elected VW unit in degrees C For use at night a display backlight can be switched on and off The VW Handheld readout is manufactured from durable ABS plastic has an IP66 rating and is supplied with a protective TPE rubber housing It is ideally suited to the rigours of a hard site life and can be used in all weathers TECHNICAL APPLICATIONS THE SOIL INSTRUMENTS VIBRATING WIRE HANDHELD READOUT The Vibrating Wire Handheld Readout can read any Vibrating Wire sensor which operates between 400Hz and 6000Hz in reality this covers almost all VW sensors made by any manufacturer It ca
3. n display units in Frequency Hz Frequency 1000 or Period making the subsequent reduction of data to engineering units a simple task The Vibrating Wire Handheld Readout is supplied with a fly lead which connects to the readout via a Lemo plug and socket The standard lead terminates in 4 crocodile clips two for VW reading and 2 for thermistor If a terminal box is being used then Soil Instruments can supply the correct lead for that box The user connects to the instrument to be read turns the readout on it can be left on between readings turning off automatically after 20 minutes selects the sweep range and the units to be displayed and then takes the reading and the temperature Data are displayed on a high resolution backlit twin line LCD display which makes reading easy to read in all conditions including bright sunlight If no thermistor is fitted to the instrument being read then a no thermistor prompt will appear in the display SPECIFICATIONS RMINAL UNIT MED TE Soil lnsinuments eee wel Ooi od FOR DETAILS ON Vibrating Wire and temperature logger see datasheet RO 1 VW 1 Vibrating Wire logger see datasheet RO 1 VW 2 Vibrating Wire minilogger see datasheet RO 1 VW 5 Excitation range 450 6000Hz 5 volt square wave Excitation type Frequency sweep via 4 x user selectable ranges Accuracy 1Hz Resolution 0 1 Display units Hz F2 1000 or Period x 10 Operating temperature 10 to
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