Cobra4 Sensor-Unit Chemistry, pH and 2 x Temperature NiCr-Ni

 Product No: 12630-00

Function and Applications

The Cobra4 Sensor-Unit pH and 2 x temperature NiCr-Ni is a measuring recorder for pH, potential and temperature measurements, which is controlled by micro-controller.

Benefits

  • It can be fitted with two NiCr-Ni thermoelements (Type K) and a pH probe or Redox measuring chain, in order to measure up to two temperatures and one pH or potential value simultaneously.
  • The unit can be connected to the Cobra4Wireless-Link, the Cobra4 Mobile-Link or the Cobra4 USB-Link using a secure and reliable plug-in/lockable connection.

Equipment and technical data

Temperature:

  • Measuring range: -200..+1200 °C
  • Resolution: 0.1 K
  • Measuring accuracy: equal to the accuracy of the gauges used

pH:

  • Measuring range: 0...14
  • Resolution 0.01K
  • Measuring accuracy: ± 0,5%

Potential:

  • Measuring range -2000..+2000 mV
  • Resolution: 0.1 mV
  • Measuring accuracy: ± 0.5%
  • Data flow rate: 5 Hz
  • Dimensions: approx. 62 mm x 63 mm
  • Weight: 95 g

Accessories

For the measurement of temperature, pH-value and potential the following accessories are needed:

Temperature: Thermocouple NiCr-Ni -40...+500°C single type, 13615-02
                  or Thermocouple NiCr-Ni -50...+1100°C microsheath, 13615-01
                  or Immersion probe NiCr-Ni -50...+1000°C stainless steel, 13615-03
                  or Immersion probe NiCr-Ni -50...+300°C Teflon, 13615-05
                  or Surface probe NiCr-Ni up to +1000°C stainless steel, 13615-04

pH/potential: pH electrode, plastic, gel-filled, 46265-15
                   or pH electrode, plastic, refillable, 46266-10
                   or pH electrode, plastic, refillable, 46266-15
                   or pH electrode, glass, refillable, 46268-10

Potential: Platinum redox electrode, plastic, gel-filled, 46267-10




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Product No: 12630-00

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product info

Cobra4 is a computer interface for school instruction consisting of software, interface modules and sensors. It makes it possible to conduct scientific experiments safely and easily. Grouped by topic, our interface packages open up new educational opportunities for your scientific instruction.