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Aquaread - Model AP-7000 -Long-Term Deployment Water Quality Sonde Aquaprobe
The AP-7000 Aquaprobe is designed for long term deployment utilising a central cleaning system to keep the fitted sensors clean reducing the effects of bio-fouling common in extended deployments. The probe comes with all of our standard parameters including optical dissolved oxygen, it also features 6 user configurable auxiliary sockets allowing you to add multiple specialist sensors to the probe. The AP-7000 is capable of measuring up to 17 individual parameters at once.
- Optical DO
- Specific EC
- Absolute EC
- pH
- ORP
- Depth
- TDS
- Resistivity
- Salinity
- SSG
- Temperature
The AP-7000 features 6 Auxiliary sockets to allow you to add further sensors to the probe. The sockets are completely unrestricted so you can fit the probe with any combination of our ion selective or optical sensors.
The AP-7000 can be used with a variety of cable lengths via the AquaConn Connectors. Cables available in 3, 10, 20 and 30m lengths as standard.
The AP-7000 is fitted with a central self cleaning system. The brush, that sits in its home position, will rotate and wipe each of the sensor faces clean multiple times per cleaning cycle. This level of cleaning maximises the duration that the probe can be left unmanned for.
There are various options in terms of logging:
GPS Aquameter
The GPS Aquameter is always required with any Aquaprobe. It is used for taking spot measurements, logging data manually and for calibrating the probes sensors. Its built in GPS receiver allows it to capture the location of every dataset you record. The GPS Aquameter also features a barometric pressure sensor for auto compensation for changes in air pressure during the deployment.
AquaLogger
The AquaLogger is designed to work with the AP-7000. It uses standard C cell batteries to power the system and has a large memory allowing the capture of up to 15,000 datasets. The Aqualogger also features a barometric pressure sensor for auto compensation for changes in air pressure during the deployment.
The BlackBox Data Converter
The Blackbox is a data converter that transforms our probes output into either SDI-12 or Modbus RS485. This allows you to connect the Aquaprobe to third party logging devices, telemetry systems or existing monitoring networks. SDI-12 is our recommended protocol. It allows the Aquaprobe to effectively go to sleep between readings to reduce power consumption and on the probe waking a clean cycle is initiated prior to taking any readings.
Cleans every sensor installed
The central cleaning arm of the AP-7000 consists of a rotating set of brushes that clean all of the connected sensors, including the EC sensor located on the side of the optical DO probe. The main brush, that resides in the home position, cleans each of the sensors multiple times before moving on to the next. When it returns to the home position it also cleans itself by scraping the brush against the sharp edges of the home position. Cleaning the sensors regularly in this way can increase the deployment duration substantially, even in demanding environments.
Inevitably human interaction will be required for calibration and a more thorough clean, even the brushes will become fouled eventually. So with this in mind we have ensured that the maintenance of the cleaning system is extremely quick, simple and cost effective.
Cleaning System
Simple brush replacement
As part of the routine maintenance of the AP-7000 the cleaning brushes need to be replaced. This is a very quick job that can be performed as the probe is cleaned prior to calibration. Once the cleaning arm is slid out, the brushes can be removed and replaced as shown.
Six Auxiliary Sockets
The AP-7000 has six auxiliary sockets. These sockets are completely unrestricted meaning you can install any combination of our wide range of ion selective and optical sensors available such as ammonium, nitrate turbidity and chlorophyll to name a few. When fully loaded the AP-7000 can measure up to 17 parameters at once!
Dissolved Oxygen
- Range: 0 – 500.0% / 0 – 50.00 mg/L
- Resolution: 0.1% / 0.01mg/L
- Accuracy: 0 – 200%: ± 1% of reading. 200% – 500%: ± 10%
Conductivity (EC)
- Range: 0 – 200 mS/cm (0 – 200,000 µS/cm)
- Resolution: 3 Auto-range scales: 0 – 9999 µS/cm, 10.00 – 99.99 mS/cm, 100.0 – 200.0mS/cm
- Accuracy: ± 1% of reading
TDS*
- Range: 0 – 100,000 mg/L (ppm)
- Resolution: 2 Auto-range scales: 0 – 9999mg/L, 10.00 – 100.00g/L
- Accuracy: ± 1% of reading
Resistivity*
- Range: 5 Ωcm – 1 MΩcm
- Resolution: 2 Auto-range scales: 5 – 9999 Ωcm, 10.0 – 1000.0 KΩcm
- Accuracy: ± 1% of reading
Salinity*
- Range: 0 – 70 PSU / 0 – 70.00 ppt (g/Kg)
- Resolution: 0.01 PSU / 0.01 ppt
- Accuracy: ± 1% of reading
Seawater Specific Gravity*
- Range: 0 – 50 st
- Resolution: 0.1 st
- Accuracy: ± 1.0 st
pH
- Range: 0 – 14 pH / ± 625mV
- Resolution: 0.01 pH / ± 0.1mV
- Accuracy: ± 0.1 pH / ± 5mV
ORP
- Range: ± 2000mV
- Resolution: 0.1mV
- Accuracy: ± 5mV
Temperature
- Range: -5°C – +50°C (23°F – 122°F)
- Resolution: 0.01° C/F
- Accuracy: ± 0.5° C
Optional Parameters
Depth **
- Range: 0-60m (AP-2000 & AP-5000), 0 – 100m (AP-7000)
- Resolution: 0.01m
- Accuracy: ±0.5% FS (AP-2000 & AP-5000), ±0.2%FS (AP-7000)
**Option on the AP-2000. Comes as standard on the AP-5000 & AP-7000
Ion Specific Electrodes***
Ammonium
- Range: 0 – 9,000mg/L (ppm)
- Resolution: 2 Auto-range scales: 0.00 – 99.99 mg/L, 100.0 – 9,000 mg/L
- Accuracy: ± 10% of reading
Ammonia†
- Range: 0 – 9,000mg/L (ppm)
- Resolution: 2 Auto-range scales: 0.00 – 99.99 mg/L, 100.0 – 9,000 mg/L
- Accuracy: ± 10% of reading
Chloride
- Range: 0 – 20,000mg/L (ppm)
- Resolution: 2 Auto-range scales: 0.00 – 99.99 mg/L, 100.0 – 20,000 mg/L
- Accuracy: ± 10% of reading
Flouride
- Range: 0 – 1,000mg/L (ppm)
- Resolution: 2 Auto-range scales: 0.00 – 99.99 mg/L, 100.0 – 999.9 mg/L
- Accuracy: ± 10% of reading
Nitrate
- Range: 0 – 30,000mg/L (ppm)
- Resolution: 2 Auto-range scales: 0.00 – 99.99 mg/L, 100.0 – 30,000 mg/L
- Accuracy: ± 10% of reading
Calcium
- Range: 0 – 2,000mg/L (ppm)
- Resolution: 2 Auto-range scales: 0.00 – 99.99 mg/L, 100.0 – 2,000 mg/L
- Accuracy: ± 10% of reading
† Ammonium electrode required. Readings calculated from Ammonium, pH and temperature electrode values.
Optical Electrodes***
Turbidity
- Range: 0 – 3000 NTU
- Resolution: 2 Auto-range scales: 0.0 99.9 NTU, 100 – 3000 NTU
- Repeatability: ± 2% of reading
Chlorophyll
- Range: 0 – 500 µg/L (ppb)
- Resolution: 0.01 µg/L
- Repeatability: ± 2% of reading
Phycocyanin (Freshwater Blue-Green Algae)
- Range: 0 – 300,000 cells/mL
- Resolution: 1 cell/mL
- Repeatability: ± 2% of reading
Phycoerythrin (Marine Blue-Green Algae)
- Range: 0 – 200,000 cells/mL
- Resolution: 1 cell/mL
- Repeatability: ± 2% of reading
Rhodamine WT Dye
- Range: 0 – 500 µg/L (ppb)
- Resolution: 0.01 µg/L
- Repeatability: ± 5% of reading
Fluorescein Dye
- Range: 0 – 500 µg/L (ppb)
- Resolution: 0.01 µg/L
- Repeatability: ± 5% of reading
Refined Oil
- Range: 0 – 10,000 µg/L (ppb)
- Resolution: 0.1 µg/L
- Repeatability: ± 2% of reading
CDOM/FDOM
- Range: 0 – 2,000mg/L (ppm)
- Resolution: 2 Auto-range scales:
- 0.00 – 99.99 mg/L, 100.0 – 2,000mg/L
- Repeatability: ± 10% of reading or 2ppm (whichever is greater)