which is rapid enough to monitor variations over a few minutes. The cell has a life of approximately 2 years; replacements are available. Range: 0 to 100,000 ppm, res 1.5% of reading. Minimum recommended recording interval 1 sec.
Direct Delivery – up to 6 weeks E8R05791
each £299.95 B. Oxygen Atmospheric Sensor
This sensor is designed to measure the oxygen content of air and investigating respiration. Range: 0 to 30%, res 0.1%.
Minimum recommended recording interval is 100ms.
Also use this sensor to measure: • Velocity Applications include: • Transpiration of plants • Oxygen content of breath E8R05746
C. pH Probe Sensor
Measures pH levels from pH0 to pH14. Allows the user to calibrate to pH7 remotely, and to perform 1 or 2 point calibration to any pH when using Datadisc. Range: 0 to 14pH, res 0.01 pH units. Minimum recommended recording interval is 1 second.
Also use this sensor to measure: • Temperature compensated pH levels • Ion concentration Applications include: • Investigate the chemistry of buffers • Photosynthesis E8R05795
D. Volume Gas Sensor
This unique sensor makes investigating of gas laws and titrations much more simple. There are 2 interchangeable syringes to make this sensor both a 60cc volume sensor and a volume gas syringe.
Specification: Volume 60cc • 0 to 60cc, res 0.1cc Volume Gas Syringe: • 0 to 55cc, res 0.1cc E8R05797
D each £217.95 Measures atmospheric CO2 levels at a sensitivity C