In-situ Level TROLL 400, Operator'S Manual, Page: 7 / 85

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Introduction
The Level TROLL Instrument is a compact, modular system for measuring level and temperature in natural groundwater,
surface water, industrial waters, and other installations.
Scope
This document is intended to describe the characteristics, operation, calibration, and maintenance of the instrument.
Communication registers and SDI-12 programming information can be found in the Modbus and SDI-12 Reference Guides on
the In-Situ website.
Serial Number Location
The serial number is engraved on the instrument housing. It is also programmed into the instrument and is displayed when the
instrument is connected to a computer running Win-Situ Software.
Certification
See the Declarations of conformity at end of this manual.
Unpacking and Inspection
Your instrument was carefully inspected before shipping. Check for any physical damage sustained during shipment. Notify
In-Situ and file a claim with the carriers involved if there is any shipping damage. Accessories may be shipped separately and
should also be inspected for physical damage and the fulfillment of your order.
Please save packing materials for future storage and shipping. The shipping boxes have
been performance-tested and provide protection for the instrument and its accessories.
Warranty
See the product specification tables for warranty information.
Contact Information
Mailing and Shipping
Address:
Phone: 970-498-1500 (international & domestic)
In-Situ
221 East Lincoln Avenue
Fort Collins, CO 80524
U.S.A.
Fax: 970-498-1598
Internet: www.in-situ.com
Support: 800-446-7488 (U.S.A. & Canada)