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Absolute Level Logger, Stainless Steel, 2 Mb Memory, 210.9m (692 ft) level range, 314.696 psi

Part Number: AS2-314696Product Details

Overview

YSI's Level Scout™ provides highly accurate level sensing technology. The Level Scout combines pressure sensor technology with low power consumption. Accurate measurements, rugged housings and connectors, and easy data management make the Level Scout ideal for your next level monitoring application.
Features

• User-replaceable batteries prevent costly down time and reduces long-term costs, 3 year life
• User-selectable reading rates allow you to get up to 15 readings per second!
• One instrument accomodates various applications with multiple logging modes including linear averaging, event triggered, linear, and logarithmic
• Field-upgradeable instrument firmware can be upgraded from the website keeping the instruments in your hands - not ours
• 600000 data points (level, temperature, or time)
• Level ranges up to 210m (692 feet)
• Vented gauge or absolute reference pressure
• Baro Scout available for atmospheric pressure compensation
• High accuracy of ±0.05% FS total error band (level ranges > 10 foot)
• Networkable RS-485 interface
• On-board surge protection
• Small diameter 316 stainless steel or titanium housing
• IP-68 waterproof rating with NEMA 6P housing

Benefits

The Level Scout instrument is designed to measure level and temperature accurately and record the readings (along with time stamp) at user-selectable rates. Internal batteries provide power and provide years of data logging capabilities. Data logging modes include linear, linear averaging, event triggered, and logarithmic sampling. The batteries are field-replaceable with a quick-disconnect cable assembly.

Applications

Applications include:
• Ground water monitoring - long-term studies, resource management
• Well monitoring, aquifer testing - pump, slug, step, and recovery tests
• Soil Vapor Extraction Tests (SVE)
• Open channel monitoring
• Gaging stations - rivers, streams, lakes
• Tank level measurement
• Watershed management

Specifications

Part Number: AS2-314696
Approximate Weights Transducer, with batteries - 318g (0.70")
Cable assembly (less cable) - 57g (0.15")
Cable - 79g/m (0.05 lbs/ft)
Suspension wire - 8g/m (0.005 lbs/ft)
Battery Life 3 years, 15 minute sampling intervals with alkalines
Communication Interface RS-485, 3 volt p-p differential with selectable baud rates from 1200 to 19200
Communication Protocol SDI-12, version 1.3 compliant
Compensated Temperature Range -10°C to 40°C (14°F to 104°F)
Dimensions 19mm (0.75") diameter
316mm (12.44") length
External Excitation 6 to 16 VDC
External Input Current 8.0 mA average current during measurement
25.0 mA 15 mS peak current during page writes
0.25 mA quiescent
Internal Battery 2 each, 1.5V, AA, alkaline recommended
Level Ranges Barometric Pressure Range - 8 to 16 psia (55 to 110 kPa) for barometer
Proof Pressure - 1.5 × FS
Burst Pressure - 2.0 × FS
Maximum Pressure and Temperature Scans 144144 with time stamp (for 2 Mb models)
288288 with time stamp (for 4 Mb models)
Maximum Pressure Scans 196560 with time stamp for 2 Mb models
393120 with time stamp for 4 Mb models
Measurement Accuracy Level - ±0.05%FS TEB¹² for level ranges > 3m (10 ft) H2O; ±0.10%FS TEB¹² for level ranges <= 3m (10 ft) H2O
Temperature - ±1.0°C (2 Mb models); ±0.2°C (4 Mb models)
Modes of Sampling, software selectable Linear, Linear Avg, Event, Logarithmic
Operating Temperature Range -20°C to 50°C (-4°F to 122°F)
Pressure Units, user-specified or by slope and offset psi, ft H2O, mm H2O, cm H2O, m H2O, kPa
Protection Rating IP-68, NEMA 6P
Sampling Rate, 15 readings per second maximum¹ Programmable
Storage Temperature Range -40°C to 80°C (-40°F to 176°F) without batteries
-20°C to 50°C (-4°F to 122°F) with batteries
Time Stamp Accuracy, over compensated temperature range ±2 min/year

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