pH/ORP Sensors Type TempHion Seametrics

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pH-ORP Sensors Type TempHion Seametrics
pH-ORP Sensors Type TempHion Seametrics

TempHion™ Smart Sensor With Data Logging

The Seametrics TempHion™ Smart Sensor is a microprocessor-based submersible sensor with built-in data logging.

The internal processor in the TempHion allows for easy calibration, using the calibration utilities in Aqua4Plus. Once calibrated, this calibration data is stored in non-volatile memory within the Smart Sensor. When data is collected, this calibration information is applied to the data, resulting in highly accurate readings at a wide range of temperatures.

The TempHion is powered internally with two replaceable AA batteries. Alternately it can be powered with an external auxiliary power supply for data intensive applications. The unit is programmed using our easy-touse Aqua4Plus control software. Once programmed the unit will measure and collect data on a variety of time intervals.

Several TempHions, or a combination of TempHions and other Seametrics Smart Sensors, can be networked together and controlled directly from a single computer.

While most will use the TempHion with our free, easy-to-use Aqua4Plus software, it is by no means limited to that software. You can use your own Modbus® RTU or SDI-12 software or logging equipment to read measurements, thus tying into your existing telemetry and control systems.

Water Quality Sensor with Datalogging
  • Measures pH, ORP, and temperature.
  • Or measures Bromide and temperature.
  • RS485 network.
  • Integrated datalogger collects 200,000+ records.
  • Includes new Aqua4Plus software.
  • Dual protocol (Modbus® and SDI-12).

Description

The TempHion™ is a submersible water quality sensor and datalogger that includes a ph/ORP or Bromide element as well as one thermistor-based temperature element.

With a patented reference electrode, the TempHion provides long-term stability for continuous or intermittent monitoring—making unattended in-situ pH testing and Bromide tracer studies possible without frequent calibrations or service.

Features

pH/ORP Sensors Type TempHion Seametrics
pH/ORP Sensors Type TempHion Seametrics
  • Easy-to-use in-field calibration utilities.
  • 316 stainless steel, fluoropolymer, acetal, and PTFE construction.
  • Solution ground for excellent noise protection.
  • Operates on low power.
  • Long-term sensor stability.
  • Measures pH, ORP, and temperature.
  • RS485 network.
  • 200,000+ records stored in non-volatile memory.
  • Dual protocol (Modbus® and SDI-12).
  • Narrow 0.75″ diameter, 17.625″ length.
  • Available cableless or with a variety of cable options—polyethylene, polyurethane, or FEP.
  • Easy export to spreadsheets and databases.

Applications

  • Precise single- or multi-well tracer tests.
  • Saltwater intrusion tracking.
  • Tidal influence studies.
  • Wastewater treatment discharge.
  • pH monitoring.

    pH-ORP Sensors Type TempHion Seametrics Dimension
    pH-ORP Sensors Type TempHion Seametrics Dimension

SPECIFICATION

Housing & CableWeight0.8 lb. (0.4 kg)
Body MaterialAcetal & 316 stainless or titanium
Wire Seal MaterialFluoropolymer and PTFE
CableSubmersible: polyurethane, polyethylene, or ETFE (4 lb./100 ft., 1.8 kg/30 m)
Field ConnectorStandard
TemperatureOperating Range0˚ to 55˚C (32˚ to 131˚F)
Storage RangeWithout batteries: –20˚ to 80˚C (–4˚ to 176˚F)
PowerInternal BatteryTwo replaceable lithium ‘AA’ batteries – Expected battery life: 18 months at 15 min. polling interval (may vary do to environmental factors)
Auxiliary12 Vdc – Nominal, 9-15 Vdc – range
CommunicationModbus®RS485 Modbus® RTU, output=32bit IEEE floating point
SDI-12SDI-12 (ver. 1.3) – ASCII
LoggingMemory4MB – 200,000 records
Logging TypesVariable, user-defined, profiled
Logging Rates2x/sec maximum, no minimum
Baud Rates9600, 19200, 38400
SoftwareComplimentary Aqua4Plus
Networking32 available addresses per junction (Address range: 1 to 255)
File Formats.a4d and .csv (also .xls in Windows 8 and earlier)
Output ChannelsTemperaturepHORPBromide
Element30K ohm thermistor, Epoxy
bead/external housing
Glass combination electrodePlatinum ringAg/AgCl solid-state electrode (Ion electrode method)
Accuracy±0.2˚C±0.2 pH units, 0.1% mV value (typical)0.1 mVH, 0.1% mV value
(typical)
±5.0% of measured value (typical)
Resolution0.1˚C0.01 pH units0.01 mVH units0.1 ppm
UnitsCelsius, Fahrenheit, KelvinpH, mVEh, mVppm, mV
Range0˚ to 55˚C (32˚ to 131˚F)0-14 pH units / -538 to 260
mV
± 1200 mV0–10,000 ppm
Compensated0˚ to 40˚C (32˚ to 104˚F)0˚ to 40˚C (32˚ to 104˚F)Isopotential point
characterization
CalibrationOne or two point calibration w/ pH buffers (4 & 7 or 7
& 10)
EH 1 pt. calibrationOne or two point calibration w/ ionic strength adjustment
Reference SolutionPotassium Nitrate – (KNO3)Potassium Nitrate – (KNO3)Potassium Nitrate – (KNO3)
ReferenceAg/AgCl solid state electrode, capillary liquid junction, TempHion™ reference solution
Maximum DepthpH/ORP: 700 ft (210 m) / 300 psi, ISE: 230 ft (70 m)/100 psi
BEnvironmentalIP68, NEMA 6P

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