Digital Salinity EC sensor
This EC sensor uses contact measurement for wide range and accuracy. The measurement…
- Output
- Modbus RS-485 or SDI-12
- Ingress
- IP68 (waterproof)
Find what you need to measure with
Instruments, loggers, systems, accessories and software — by name, part number or what you’re measuring.
19 products matching “SDI-12”
Showing 19 of 19
Digital Turbidity sensor
This compact digital turbidity sensor has a range of zero to 4000 NTU with an accuracy of…
- Output
- Modbus RS-485 or SDI-12
- Ingress
- IP68 (waterproof)
EC-1500 Analogue Conductivity and Temperature Sensor
The Greenspan EC-1500 is an Australian-made, fully submersible electrical conductivity…
- Range
- 500 to 75,000 µS/cm (standard ranges: 500, 1000, 2000, 5000, 10000, 20000, 50000, 70000 µS/cm)
- Output
- 4-20mA (dual, 3-wire current loop) plus SDI-12 digital
EC-1550 Salinity Electrical Conductivity Sensor
The EC-1550 is a digital conductivity and temperature sensor built for low-power,…
- Range
- 500 to 70,000 µS/cm standard (to 75,000 µS/cm on request), factory-calibrated
- Output
- 4-20mA (EC & temperature) or SDI-12 digital
pH, Redox and Temperature sensor
Measure pH in the 0-14 range with a resolution of 0.01 and an accuracy of ±0.1. Redox…
- Output
- Modbus RS-485 or SDI-12
- Ingress
- IP68 (waterproof)
PR-7100 Depth Sensor
The PR-7100 (formerly the LevelPro 6100) is a compact, easy-to-use bubbler-type water…
- Range
- 10, 20, 35 or 70 m freshwater (15, 30, 50, 100 psi); custom ranges available
- Output
- 4-20 mA, 0-1V, 0-2.5V analogue; SDI-12, RS232C digital
PR-7200 Water Level Bubbler
The PR-7200 is a self-contained water level bubbler that combines a Teflon-lubricated…
- Range
- 10, 20, 35 or 70 m freshwater (15, 30, 50, 100 psi)
- Output
- 4-20 mA analogue; SDI-12 digital; RS-232; simultaneous digital/analogue
PS-1000 and PS-7000 Submersible Pressure Sensors
The PS-1000 submersible pressure sensor accurately measures water depth levels. The…
- Supply
- 8 to 30 V DC (at sensor) loop powered
- Temp
- 0–50°C
Salinity/temp sensor digital auto ranging
The EC1600 is a non-contact, toroidal electrical conductivity sensor that measures…
- Range
- 0-100,000 µS/cm ±2%
- Output
- SDI-12 and 4-20mA standard; RS232 on 12-pin variant
Hydraprobe Soil Moisture Sensor
The HydraProbe is a rugged, scientifically validated soil moisture sensor that…
- Range
- 0-100% of saturation (dry to fully saturated)
- Output
- SDI-12, RS-485 or Modbus
Smart PT Pressure Temperature Sensor
The Smart PT is a ceramic-membrane pressure and temperature sensor from Stevens for…
- Range
- 0.2 to 10 bar (vented models); 1.4 to 4 bar (absolute models)
- Output
- SDI-12, RS-485 (Modbus RTU over RS-485)
DO-1000L Optical Dissolved Oxygen Sensor
The Greenspan DO-1000L is a self-contained logging dissolved oxygen sensor with an…
- Range
- 0-200% saturation (0-20 ppm)
- Supply
- 8 to 30 V DC (at sensor), or on-board battery pack (option)
EC-2500L Logging Electrical Conductivity (Salinity) Sensor
The Greenspan EC-2500L is an Australian-made logging electrical conductivity (salinity)…
- Range
- 500 to 75,000 µS/cm (factory-set full-scale, e.g. 0-5000, 0-10000, 0-20000, 0-60000, 0-70000 µS/cm)
- Supply
- 8 to 30 V DC (at sensor), or on-board battery pack (option)
Electrical Conductivity (Salinity) Sensors
Greenspan manufacture several electrical conductivity sensors. All are made in our…
- Supply
- EC-2500: 8–27 V; EC-1500/1550: 9-30 volts unregulated
- Measurement technique
- Toroidal measuring system
MP47 pH Sensor
The Greenspan PH-1000L is a logging pH sensor with an integrated data logger built into a…
- Range
- 0–14 pH
- Output
- internal data logger; optional SDI-12 serial output (3-wire) via adaptor
ORP-1000L Oxidation Reduction Potential Sensor
The Greenspan ORP-1000L is a submersible oxidation-reduction potential (ORP) sensor with…
- Range
- ±1000 mV
- Output
- Internal data logger (SensorMate software); optional SDI-12 (3-wire)
PS-1000A Water Level Pressure Sensor
The Greenspan PS-1000A is an Australian-made, submersible pressure sensor that measures…
- Range
- Gauge: 2.5, 5, 10, 20, 40, 75, 100 m; Absolute: 20, 40, 75, 100 m
- Output
- 4-20mA or 0-2.5V DC
PS-1000L Water Level Pressure Sensor
The Greenspan PS-1000L is an Australian-made, fully submersible logging water level…
- Range
- Gauge: 2.5, 5, 10, 20, 40, 75, 100 m; Absolute: 20, 40, 75, 100 m
- Output
- Internal data logger (RS-232 via SensorMate); optional SDI-12 adaptor
PS-7000A Water Level Pressure Sensor
The Greenspan PS-7000A is an Australian-made, submersible stainless steel water level…
- Range
- Gauge: 2.5, 5, 10, 20, 40, 75, 100 m; Absolute: 20, 40, 75, 100 m
- Output
- 4-20mA or 0-2.5V DC