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Stevens A Series User Manual

Stevens A Series
15 pages
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TYPE A
RECORDER
Model 71, 2004
Publication 93566A
August 2004
DISCONTINUED
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Stevens A Series Specifications

General IconGeneral
BrandStevens
ModelA Series
CategoryVoice Recorder
LanguageEnglish

Summary

Safety and Equipment Protection

General Safety Precautions

Covers electrical hazards, battery dangers, and general precautions for safe operation.

Battery Safety Guidelines

Detailed safety guidelines for battery use, charging, storage, and disposal to prevent injury.

Notice

User Information

Introduction

General Description

Overview of the Stevens Type A recorder as a float-operated device for recording water level fluctuations.

Safety Information

Instruction to read all applicable warnings and cautions before performing any procedure.

Basic Instrument Specifications

Details on chart drive options, time scale, gage scale, float pulley, operating temperature, shipping weight, float line, and instrument size.

Installation

Unpacking and Equipment

Steps for unpacking the recorder and listing necessary equipment and tools for installation.

Mounting and Float Setup

Guidance on mounting the recorder and attaching the float line, pulley, and counterweight for proper operation.

Operation

Chart Installation and Removal

Detailed procedures for installing, removing, and cutting the chart for replacement.

Pen Positioning

Steps to properly position the pen on the chart for accurate water level indication and setting the starting point.

Quartz Multispeed Timer (QMT) Setup

Instructions for installing batteries, powering the QMT, and setting chart speeds.

Pen Usage and Adjustment

Information on the disposable cartridge pen, its mounting, and initial checks for correct position.

Gage Scale Configuration

Explains how gage scales are reconfigured using float pulley size or standard changes for different measurement ranges.

Maintenance

Clock Care and Lubrication

Guidelines for maintaining quartz clocks, avoiding lubrication for recorder parts.

Spare Parts

Instructions on how to order spare parts, including required information.

Technical Notes

Instrument Accuracy and Errors

Discusses sources of error like float lag and line shift and methods to minimize them.

Float Line and Tape Types

Describes the specifications and characteristics of beaded float line and perforated float tape used with the recorder.