SP101-SM High accuracy Submarine pH sensor

pH Sensor SP101-SM


SP101-SM datasheet

High Accuracy Submarine spectrophotometric pH sensor

The SP101-SM is a rugged and extremely stable pH sensor for shallow waters, designed for oceanographic research. The design of the SP101-SM sensor allows reaching the same accuracy achievable in the lab, but autonomously deployed in the ocean, allowing long term measurements without human intervention.

Summary of specifications

pH Range: 6.8 – 9 in sea water
Typical measurement time: < 3 minutes
Precision: < 0.002 pH units
Accuracy: ±0.005 pH units
Indicator life: 10,000 measurements (with 250 ml bag)
Temperature sensor accuracy: ±0.1ºC (-5ºC to +35ºC)
Host interface: RS232
Operating supply voltage: 9 – 18 Vcc
Overall Size: 480x240 mm (height x diameter)
Housing Material: Hard anodized 6060 aluminum
Housing Finishing: Epoxy coating + Polyurethane finishing
Weight: 15,2 Kg