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Measurement Sensors
Hydro-Logic is an agent / authorised re-seller for many of the worlds leading measurement sensor manufacturers including Casella, Druck and Greenspan. 
 
All the measurement sensors recommended by Hydro-Logic can be used as inputs to one or more of the Isodaq range of data loggers and outstations. Our sales teams wil be pleased to advise which model is the best match for a given sensor type. Some smart sensors utilising the SDI12 multi-parameter protocols e.g Greenspan, YSI water quality probes and the TRDi Channelmaster H-ADCP can only be used with the Hawk XT logger/outstation. 

Please telephone 01885 483789 or use our contact form to find out more about the impressive range of sensors we have available for hire or sale.
 
Depth Level Pressure Sensors
Druck ProbesDepth level measurement sensing for use in most water level monitoring applications.
Model - PTX 1830 submersible depth pressure transmitter
Model - PTX 1930 submersible rangeable depth pressure transmitter
 
 
Horizontal ADCPs For Continuous Monitoring
The compact, versatile and affordable ChannelMaster offers continuous velocity and flow measurement using the Index velocity method, even where a single cell cannot provide enough information. It is ideally suited for use in rivers, streams, estuaries, open channels, ports and harbours.
 
Tipping Bucket Flow Gauge
Typical applications include discharge from small drainage pipes or streams.  Also used for monitoring rainfall under a tree canopy, leakage in water storage dams, seepage and runoff.
 
 
Incremental Optical Shaft Encoders
Water level measurement sensing for use in open-channel stilling-wells and pipes, typically stream-flow gauges and flood warning stations.
Optical Encoder Model 24R
 

SBS500 - 0.2mm tip gauge with 500sq.cm.collector
SBS500H - 0.2mm tip gauge with 500sq.cm.collector and heater
SBS1000 - 0.1mm tip gauge with 1000sq.cm.collector
SBS1000H - 0.1mm tip gauge with 1000sq.cm.collector and heater
ARG - 0.2 or 0.25mm tip gauge
 
Continuous water quality monitoring in watercourses, lakes, wetlands and boreholes.
ImageSingle parameter sensor range:
DO1200 – Disolved Oxygen sensor
EC1200 – Conductivity sensor
TS1200 – Turbidity sensor
PH1200 – pH sensor

ImageMultiple-parameter sensor range:
CTDP 1200 – Conductivity, pH, Depth Pressure and Temperature
CS4-1200 Conductivity, Dissolved Oxygen, pH and Temperature
 



 

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