Temperature Sensors
We can supply calibrated linear and thermistor temperature sensors suitable for connecting to our range of data collection devices. The calibration information supplied must be entered in the logger scheme.
Linear Temperature Probe (LM34)
This measures temperatures between -17.8°C and +100°C.
It outputs a voltage directly proportional to temperature.
Thermistor Temperature Probe
This measures temperatures between -100°C and +150°C. These probes have an output which has a non-linear response to temperature. We include a precision NTC 'curve-matched' thermistor giving an accuracy of 0.1°C.
Being sealed, you can immerse it to a depth of up to 2 metres to measure water temperature, or use it to measure humidity in a 'wet and dry bulb' set-up.
Book: Products
- Climate stations and instruments
- Data Communications Instruments
- Data collection instruments (loggers)
- Miscellaneous Products and Accessories
- Rainfall
- Water Flow Instruments
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Water Level Instruments
- Gas bubbler system - DAA H-355
- Gas bubbler system - ES&S Pumppro 6150
- Pressure loggers - Greenspan PS2100, PS3100
- Pressure sensors - Greenspan PS1000, PS7000
- Radar water level sensor - DAA H-3600
- Water Depth and Temperature Instrument - Unidata 8007WDP
- Water Depth and Temperature Sensor - Unidata 6542B
- Water Level Encoder - DAA H-331
- Water Level Encoder - Unidata 6541
- Water Level Recorder - NIWA Hydrologger
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Wave Gauge - NIWA DOBIE
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DOBIE Documentation
- Technical Note No. 98/1 - At What Depth Should DOBIE be Deployed?
- Technical Note No. 98/2 - Hardware Control Options Explained: Conversion of Volts to Pressure, DOBIE Calibration, Sensor Noise
- Technical Note No. 98/3 - Task 2 (Time Series) Explained; A Warning About "Water Depth"
- Technical Note No. 98/4 - Task 3 (Tide Gauge) Explained
- Technical Note No. 98/5 - Task 4/0 (Wave Statistics) Explained; Plus an Explanation of "Reality Checks"
- Technical Note No. 98/6 - Task 4/1 (Wave Spectrum) Explained
- Technical Note No. 98/7 - Power Management
- Technical Note No. 98/8 - Memory Management
- Technical Note No. 98/9 - More Wave Statistics
- Technical Note No. 99/1 - Measuring Waves in Lakes and Estuaries is Quite Tricky, data can be Improved by Adjusting Sensor Noise Level
- Technical Note No. 2000/1 - Conversion of Hydrostatic-Depth Spectrum to Sea-Surface-Elevation Spectrum
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DOBIE Documentation
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Water Quality Instruments
- Dissolved Oxygen Sensor - In-Situ Inc RDO
- Dissolved Oxygen Sensor - Zebra-Tech D-Opto SDI-12
- Dissolved Oxygen Sensors - Greenspan DO100, DO3000
- Electrical Conductivity Logger - Unidata 6536D
- Electrical Conductivity Sensors - Greenspan EC250, EC3000
- Multi-Parameter - In-Situ Inc Troll 9500
- Multi-Parameter Logging Sensor - Greenspan CS304/CS4-1200
- Multi-Parameter Sensor - Seba Hydrometric MPS Checker
- Oxidation Reduction Potential Sensor - Greenspan ORP3000
- Salinity Buoy - NIWA SB1
- Total Dissolved Gas Sensor - In-Situ Inc TDG
- Turbidity Sensors - Greenspan TS1000, TS3000
- Waterproof Portable Sensors - TPS WP Series
- pH Sensors - Greenspan PH1000, PH3000