Optical oxygen sensor HQ40d, HQ30d

for aquaculture

A hand-held instrument for measuring oxygen, salinity, pH and redox. Available with various sensor cable lengths. Compensates automatically for pressure and temperature. When measuring oxygen, both % saturation and mg/liter is displayed. Sensors are ordered separately. Technical data •Barometric pressure measurement: For automatic DO compensation •Battery: 4pcs AA •Conductivity accuracy: ± 0.5 % from (1µS/cm – 200 mS/cm) •Memory: 500 results •Sensor input: HQ40d 2, HQ30d 1 •Measurements (H x W x D): 197mm x 95mm x 36mm •Display: Measurements from on or to probes •Simultaneous measurements from two probes ( HQ40d only) •pH: pH, mV, temperature •Conductivity: salinity and temperature •LDO: dissolved oxygen, pressure, temperature •ORP/Redox: mV, temperature •Continuous measurement, “press to read” and interval mode •Display type: 240 x 160 pixels •IP67 •Languages: English, French, German, Italian, Spanish, Danish, Dutch, Polish, Portuguese, Turkish, Swedish, Czech, Russian •mV accuracy: ± 0.1 mV