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Shortridge Instruments AIRDATA ADM-880C User Manual

Shortridge Instruments AIRDATA ADM-880C
73 pages
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ADM-880C 07/20/09
Shortridge Instruments, Inc.
7855 East Redfield Road / Scottsdale, Arizona 85260-3430
Phone (480) 991-6744 • Fax (480) 443-1267
www.shortridge.com
S
i
®
AIRDATA
MULTIMETER ADM-880C
ELECTRONIC MICROMANOMETER
WITH 2000 READING MEMORY, DATALOGGING
CAPABILITY AND RS232 COMMUNICATIONS PORT
AIR FLOW VELOCITY PRESSURE TEMPERATURE
OPERATING INSTRUCTIONS

Table of Contents

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Shortridge Instruments AIRDATA ADM-880C Specifications

General IconGeneral
Accuracy (Humidity)±2% RH
DisplayLCD
ConnectivityUSB
Measurement ParametersAir Velocity, Temperature, Humidity
Resolution0.1% RH
Accuracy (Temperature)±0.5 °F
Power Supply4 AA batteries
Data LoggingYes
Weight1.2 lbs

Summary

Specifications

External Features Overview

Keypad Layout

Details the arrangement and primary functions of the eight keys on the ADM-880C keypad.

Meter Features on Sides and Back

Describes the location and function of external connectors and ports on the meter's sides and back.

Display Messages and Prompts

Read Prompts

Lists and explains the ten prompts displayed by the meter to initiate measurements.

Measurement Readouts

Explains the format and meaning of displayed measurement results, including units.

Function Readouts

Using the ADM-880C AirData Multimeter

Keypad Operation

Detailed explanation of primary, secondary, and tertiary functions of each key and their access methods.

ALT Key Functions

Describes the ALT key's roles as an alternate function key, escape key, and for viewing settings.

ON/OFF Key

Explains how to turn the meter on/off and control the display backlight.

SCAN Key Usage

Details how to scroll through memory in descending order and use the 'Go To' function.

Ascending Memory Scroll and Display Reset

Explains scrolling memory ascending and resetting the display for long readings.

READ/SELECT Key

Describes how to take manual, automatic, and trend readings, and select options.

STORE Key Functions

Covers selecting store modes (All, Last, Off), clearing memory, and changing memory groups.

View Key Functionality

Details how to view group statistics, associated data, and download readings to a printer.

Mode Key Usage

Explains selecting measurement modes, timed reading setup, and configuration settings.

RS232 Download with DataFlow Software

Instructions for downloading stored data to a computer using the ADM DataFlow software.

Battery Display and Life

Information on checking battery status, understanding battery life, and charging.

Reset Switch

Procedure for resetting the meter in case of unresponsiveness, and its effect on memory.

Velocity Measurement

Velocity Correction Factors

Explains the use of Kv factors for correcting velocity readings from different instruments.

Pitot Tube Velocity Measurement

Detailed procedure for measuring air velocity in ductwork using a pitot tube.

AirFoil Probe Velocity Measurement

Guidance on using the AirFoil probe for velocity measurements, including specific applications.

VelGrid Air Velocity Measurement

Instructions for using the VelGrid for face velocity measurements on filters and grilles.

Local vs. Standard Density for Velocity

Compares local density true air velocity with standard density mass flow velocity.

Pressure Measurement

Differential Pressure Measurement

Procedures for measuring differential pressure using various probes and connections.

Absolute Pressure Measurement

Explanation of how to measure absolute pressure and its use in density correction.

Temperature Measurement

TemProbe Usage

Instructions for connecting and using the TemProbe for temperature measurements.

Air Flow Measurement

FlowHood Function

Overview of the FlowHood kit for backpressure compensated air flow measurements.

Backpressure Compensation

Explains the process of measuring air flow with backpressure compensation.

FlowHood Assembly

Unpacking and Frame Assemblies

Guidance on unpacking the FlowHood kit and assembling the various frame sizes.

FlowHood Operating Procedure

Nonbackpressure Compensated Readings

Procedure for measuring air flow without compensating for FlowHood induced backpressure.

Backpressure Compensated Readings

Procedure for measuring air flow with automatic backpressure compensation.

Special Balancing Procedures

System Problems and Troubleshooting

Guidance on identifying and resolving issues when measured air delivery is less than expected.

Correction Factors

Barometric Pressure Density Correction

Explains how the meter automatically corrects for barometric pressure density effects.

Temperature Density Correction

Details temperature density correction for air flow/velocity readings using the TemProbe.

Meter Accuracy Field Testing

Meter Zero Function Check

Procedure for checking the meter's zero accuracy in flow or velocity modes.

Differential Pressure Function Check

How to check the zero and accuracy of differential pressure measurements.

Absolute Pressure Function Check

Procedure for confirming the accuracy of the absolute pressure function.

Air Flow Accuracy Verification

Methods for verifying air flow accuracy by comparing with pitot tube traverses.

Meter Maintenance

Recalibration and Repair Information

NIST Velocity Testing Appendix

Battery Test Procedure

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