Field Operations; Field Operations: Implement; Checking Electrical Signal Continuity And Electrode Isolation; Setting Operating Depth - Veris U3 Operating Instructions Manual

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Pub# OM20-U3-pH

Section 5: Field Operations

It is recommended that you perform the Electrical Signal Continuity and Electrode Isolation test

procedure before first field use (see Service Procedure 3). While these tests were made at the

factory, there is the possibility a problem developed during shipping. Performing these tests on the

new implement allows you to get familiar with the process under ideal conditions. It is advised that

you perform this test on a routine basis (every 10 hours of data collection) to ensure you are

obtaining reliable data. KEEP OHMMETER, TEST LOAD AND TEST BOX WITH THE MACHINE

AT ALL TIMES.

Begin field operation by lowering unit into soil. For good electrical conductivity, all coulter

electrodes must be in direct contact with moist soil, at all times and in every region of the field. An

initial depth of 1-2" (2.5-5 cm) is recommended. To insure this depth is consistently achieved, 400-

600 lbs. (180-275 kg) of additional weight are normally required on non-pH units. Veris offers

optional weights, or they can be supplied by the customer. Do not adjust the tension on the coulter

electrode springs to increase soil contact or penetration. They are pre-set at the factory with the

proper tension. Note: all depth settings recommendations are for normal conditions. Local

soil conditions may require deeper settings (if soils are dry) or shallower settings (if soils

are wet or sticky).

Field Condition

Field should be in a uniform state. Mapping after intensive primary tillage is not recommended. The soil

must have a minimum of 20% available water, and cannot be frozen. If rocky conditions exist, slow down

and make sure rock guards are in place

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