Watershed Monitoring Instrumentation

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Datalogger Sensors
Water Quality Meters
Flow & Current Meters
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Ground Water Instruments

Dedicated Water Quality Data Loggers
Data Logger Configured with Water Quality Sensor(s)

Analite 495 Turbidity & Temperature Recorder

Technique: 90 Infra-Red (ISO 7027)

Range: 40, 100, 400 and 1,000NTU user selectable

Resolution: 40NTU 0.01NTU, 100NTU 0.02NTU, 400NTU 0.1NTU, 1,000NTU 0.2NTU

Repeatability: 1% at 25C

Linearity: Better than 1% for 40NTU, 100NTU and 400NTU. 3% for 1,000NTU (using 3 point calibration)

Temperature: -10C to 50C with 0.1 resolution and 0.5C accuracy. Time constant 20 seconds in water

Output: RS232 - 1200BPS, 7 data bits, even parity, one stop bit

Logging Interval: User set, from less than 1 second to over 18 hours in 1 second increments

Logging Capacity: 10,000 data sets minimum but depends on memory capacity installed in the probe

Calibration: 2 or 3 point calibration for each range

Power: Four 1.5V C cell batteries

Wipe Time: 8 seconds nominal

Depth Rating: 100 meter static water column

Operating Temperature: -10C to 50C

Storage Temperature: -20C to 55C

Construction: Stainless steel casing with protruding castellations to protect the plastic fibre-optic face

Weight: 1,1 Kg - including batteries

Dimensions: 506.5mm long, 36mm diameter

Copyright 2001 Geo Scientific Inc., All Rights Reserved
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