SO-110 Sensor Oxígeno O2 de Referencia para Suelo con Termistor

SO-110

Apogee Instruments

Nuevo

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El Sensor mide: O₂
Longitud del Cable: 5 metros
Alimentación: 12 V DC continuo (para el calentador) y 2.5 V DC excitación (para termistor)
Sensor para uso en: Intemperie

Sensor que mide la cantidad de Gas Oxígeno (O2) en el Aire. Sensor de tipo célula galvánica. Incluye opción para medir bajo tierra y 5 metros de cable. (Tipo Termistor).

Product Description

Apogee oxygen sensors are designed to measure 0 – 100% oxygen and come with tinned leads to connect to a datalogger. The SO-110 is designed for use in soil applications with a larger signal, slower response and longer life. It comes with a thermistor temperature sensor to correct for temperature changes. In applications with high humidity, condensation can occur on the Teflon membrane, blocking the diffusion path of the sensor. To prevent this, a resistive heater is included to raise the temperature of the membrane approximately two degrees above ambient temperature. Optional  diffusion or flow-through heads are sold separately if needed for your application. The sensor is calibrated to ambient air making it very easy to calibrate. An aluminum housing that is filled with epoxy allows the sensor to withstand harsh conditions.

OxygenSensor_SO_110-Acces

Accesorios para Sensor de Oxígeno SO-110, SO-120, SO-210, SO-220.

Imágen son Cabezales Opcionales de Difusión y Paso de Gas (vendidas aparte).

Rango de Medida: 0 to 100 % O2
 
Sensitivity: 2.6 and 0.6 mV per % O2 for SO-100 and SO-200 series, respectively (approximations)
 
Output at 0 % O<sub>2</sub>: 6 % and 3 % of output at 20.95 % O2 for SO-100 and SO-200 series, respectively
 
Measurement Repeatability: < 0.1 % of mV output at 20.95 % O2
Non-linearity: < 1 %
Non-stability (Signal Decrease): 1 and 0.8 mV per year for SO-100 and SO-200 series, respectively
 
Oxygen Consumption Rate: 2.2 μmol O2 per day at 20.95 % O2 and 23 C
 
Response Time: 60 and 14 s for SO-100 and SO-200 series, respectively
 
Operating Environment: -20 to 60 C, 0 to 100 % relative humidity (non-condensing), 60 to 140 kPa
 
Input Voltage Requirement: 12 V DC continuous (for heater); 2.5 V DC excitation (for thermistor)
Heater Current Drain: 6.2 mA
Thermistor Current Drain: 0.1 mA DC at 70 C (maximum, assuming input excitation of 2.5 V DC)
 
Dimensiones: 3.2 cm diameter, 6.8 cm length
Peso: 175 g (with 5 m of lead wire)
 
Cable: 5 m of six conductor, shielded, twisted-pair wire

Amplificador USEA con Ganancia x100 para una salida de voltaje del SO-XXX en voltios hacia registradores.

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