Hach ORBISPHERE Series User Manual

8. On the clean polishing cloth (2934) do the steps that follow:
a. Add a few drops of water.
b. Spread a little of the polishing powder (29331) to form a grey, milky liquid.
9. Screw the polishing tool (DG33629) onto the top of the sensor.
10. Polish the electrodes by moving the sensor face in a circular direction against the liquid in the
polishing cloth for about 30 seconds.
11. Remove the polishing tool from the sensor. Remove any polish deposits by rinsing the sensor
head under a tap for 30 seconds, aiming the jet of water directly onto the sensor head.
Note: If the sensor is used in high level hydrogen sample, do not perform the following steps but continue at
step 19.
12. Remove the plastic base from the bottom of the sensor and connect the sensor to the sensor
cleaning and regeneration center (32301).
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Hach ORBISPHERE Series Specifications

General

Category	Accessories
Manufacturer	Hach
Model	ORBISPHERE Series
Power Supply	Battery or external power supply (depending on model)
Communication	Analog output, digital communication (e.g., Modbus, Profibus, HART) depending on model
Dimensions	Varies depending on model
Weight	Varies depending on model
Measurement Range	0 ppb - 50 ppm (depending on sensor)
Accuracy	±1 ppb or ±1% of reading (depending on sensor)
Operating Temperature	0 to 50°C (32 to 122°F) (depending on sensor and instrument)