Veris-technologies pH Manager - Operating Instructions Manuel d'utilisateur télécharger pdf (Page 40)

Pub.# OM17-MSP-pH

4-11

7. Prox sensor: The prox sensor communicates the position of the sampler assembly to the

external controller for automatic cycling functions. Adjust sensor to 1/4”- 3/8” (6-9 mm) gap.

Cycle unit manually to insure that this gap is maintained throughout cycling range. Red

LED light should light whenever prox sensor is near metal and not light when away from

metal. To view LED light, shade ambient light from prox sensor and cycle sampler

assembly manually. Be careful to not strike or damage prox sensor face. NOTE: in manual

mode, hydraulic cylinder opens and closes completely; in automatic mode cylinder stops as

soon as prox sensor clears upper and lower plate. In order for cylinder to set electrode-

shoe clearance properly (step 2 above), adjust prox sensor height with sampler shoe

completely raised. Adjust the prox sensor so it barely clears the lower part of the sensor

plate when sampler is completely raised. It may be necessary to reposition the electrode

holder after adjusting prox sensor; see step 2 above.

Figure 21

Figure 22

1/4 to 3/8” gap

(6-9 mm)

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 71 72

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Veris-technologies pH Manager - Operating Instructions Manuel d'utilisateur Page 40