REED ST-173 Instruction Manual

Model

Sound Level Datalogger

Instruction Manual

ST-173

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Table of Contents

Safety ......................................................................................................... 2

Features ...................................................................................................... 3

Specications ............................................................................................. 4

Instrument Description ............................................................................... 5

Operating Instructions ................................................................................ 6

Warnings .................................................................................................... 7

Software Installation & Operation ............................................................7-8

Instrument Download Data ......................................................................... 9

Calibration Software ............................................................................10-11

Battery Replacement ................................................................................ 11

Safety

Read the following safety information carefully before attempting to operate or service the meter. Use the meter only as specied in this manual.

Environment conditions

• Altitude lower than 2000 meters

• Relatively humidity ≤90%RH

• Operation Ambient 0 ~ 40°C

Maintenance & Cleaning

•

Repairs or servicing that are not covered in this manual should be performed by qualied personnel only. For service on this or any other REED product, contact REED Instruments at [email protected].

• Periodically wipe the case with a dry cloth. Do not use solvents or eradicator on this instrument.

Safety symbol

Complies with EMC

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Features

This Sound Level Datalogger is designed for noise assessment; quality control; illness prevention as well as detection and measurement of all environmental sounds. Ideal for measuring the sound levels in factories; schools; ofces; high trafc areas, households, and more.

• This unit conforms to the IEC61672-1 CLASS2 for Sound Level Meters

• NORM (Normal) & PEAK mode

• Data manage: STORE/REAL TIME

• Over range indication

• A & C Weighting

• FAST & SLOW response

• Calibration Software

• Manual & Automatic start

Notes:

• In NORM (Normal) mode, 20 readings will be picked (one reading per 50ms) and the average value of the 20 readings will be stored. At the same time, a peak max. & a peak min. will be picked wihtin all the sampling data. If sampling rate takes longer than 10 seconds, the unit will turn itself off before reaching sampling time to save battery power.

•

In PEAK mode, the DataLogger will always measure data at 50 microsecond intervals. The PEAK value means the MAX. and MIN. reading of the measurement but not the MAX. and MIN. sampling value. The stored sampling value is the MAX. of the 20 readings but not the average.

For service on this or any other REED product, contact REED Instruments at [email protected].

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Specifications

Safety Standard: Conforms to IEC61672-1 Class 2 Accuracy: ±1.4dB Frequency Range: 31.5Hz to 8kHz Dynamic Range: 50dB Measuring Range: 30dB to 130dB DataLogger Capacity: 129920 readings Sampling Rate: 1 second to 24 hours Frequency Weighting: A and C Time Weighting: Fast: 125mm, Slow: 1 second Microphone: ½” Electret condenser microphone Operating Indication: Green LED ash Memory Full Indication: Yellow LED ash Data Output: USB data trafc Power: One 3.6V battery, specs: 14250 or 1/2AAA Electric Current: Normal working is approximately 6mA Battery Life: Approximately 200 hours Operation Temperature

& Humidity: 0°C to 40°C, 10&RH to 90&RH Storage Temperature

& Humidity: -10°C to +60°C, 10&RH to 75&RH Dimensions: 5.1 x 1.1 x 0.9” (130 x 30 x 25mm) Weight: 1 oz (20 g) System Requirements: Windows 2000 or Windows XP or Vista Minimum Hardware

Requirements: 8M EMS memory, 2M hard disk and a free USB jack

Includes: Windscreen, transparent cap, software CD, metal support stand, instruction manual and battery

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Instrument Description

1 - Green LED 2 - Red and

Yellow LED

3 - Power Button:

turn on the Datalogger

LED Flash Indications

Single LED ash indication

RED LED: The sound level is over the alarm range (will ash twice-high alarm, once-low alarm).

Yellow LED: Memory is full or datalogger has been stopped manually (10s/time)

Green LED: Datalogger’s normal working indication (cycle time can be setup from the software)

Mixed Flash

Red/Green/Yellow: DataLogger is starting to measure (automatic mode) Green LED: Datalogger start to measure in manual mode (will ash 6 times in 2 seconds) Green LED: Datalogger is resetting (will ash 5 times sequentially) Red LED:

operation manually stopped (will ash 6 times in 2 seconds) Red & Yellow Alternately: Download the data to PC RED & Green LED: Low battery indication(10s/time) or the datalogger

was stopped manually (will ash simultaneous)

Datalogger stopping measurements, indication after

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Operating Instructions

1. Set up the DataLogger software before use.

2. Under the Manual mode, press and hold the power button for

2 seconds, the DataLogger will start to take the measure. The LED indicates the status function at the same time (see LED Flash Indication on page 5 for details).

3. Using the Automatic mode, the DataLogger will start to measure

after setup of the software is complete. The LED indicates the status function at the same time (see LED Flash Indication on page 5 for details).

4. As a measurement is being taken, the green LED indicates

it’s working by ashing with the frequency setup in the software.

5. When the DataLogger’s memory is full, the yellow LED will ash

10s/time.

6. As a measurement is being taken, if the measured value exceeds

the alarm range, the red LED will ash (2 times-high alarm, one time-low alarm).

7. When the battery power is low, the red LED will ash 10s/time.

8. DataLogger data can be read time after time, the readings you

are checking are real time measured (1 to 129920 readings).

9. Without battery, the last 1.5 hours (maximum) of data will be lost.

Other data can be read using the software after the battery is replaced.

10. When replacing the battery, turn off the meter and open the

battery cover. Then, replace the empty battery with a new 1/2AAA 3.6V battery and re-install the cover.

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WARNINGS

1. Do not store or operate the instrument in high temperature

and high humidity environments.

2. When not in use for long periods of time, remove the battery

to avoid battery liquid leakage which will cause damage to the instrument.

3. When using the instrument in the presence of wind, it is a must

to use the windscreen (included) to avoid picking up undesired signals (sounds).

4. Keep microphone dry and avoid severe vibrations at all times.

5. Without battery, the last 1.5 hours (maximum) of data will be lost.

6. You have to setup the DataLogger software before using it.

Software Installation & Operation

1. Start windows

2. Insert the CD into the CD-ROM

3. Run SETUP.EXE installation program in le DISK1,

install it to the directory of C:\Program Files\Sound Datalogger\.

4. Setup the USB-driver

5. Plug the Datalogger to the USB port, system will nd and

install the USB-driver. Select the relevant Driver under the directory which the software installed in the step 3.

6. After Driver installation, a “USB I/O controlled devices”

will appear in the Device Manager. You can nd “Silabs C8051F320 USB Board” under this directory. Thus software and driver are installed.

7. Double click the “

“Instrument-DataLogger Setup” to set the sound level DataLogger. Click “setup” to read the setup information to the DataLogger.

” icon to start the software, then select

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Sampling Setup: Set the time of the sampling rate (1 second to 24 hours)

Alarm Setup: Set the alarm function LED Flash for

Hi and Low Alarm: High and low alarm indicates whether you need the LED Flash or not

LED Flash Cycle Setup: The ash frequency of the indicating LED Manual/Automatic: Manual or Automatic mode dBA/dBC: Weighting selection FAST/SLOW: The Response time selection NORM/PEAK: The metrical mode selection STORE/REAL TIME: Data manage

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Instrument Download Data

NORM MODE: Sound MAX/Sound MIN means the MAX degree or MIN degree of the sampling data. It is the average value of the 20 sampling data. PEAK MAX/PEAK MIN means the MAX or MIN degree of all the measuring values (not the average value).

PEAK MODE: Sound MAX/Sound MIN means the MAX degree or MIN degree of the 20 sampling data. PEAK MAX/PEAK MIN means the MAX or MIN degree of all the measuring values.

Note: When a yellow line is displayed this indicates that the datalogger’s battery power is low.

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Calibration Software

When the microphone or the replacement microphone cause an offset in the reading measurement, the software needs to be calibrated, To begin this process click on this “ ” icon. The following window will appear:

The “Ajustment Value” is a single calibration value, ranging from -12.5 to

12.5, the value 1.0 is equivalent to 1dB.

Assuming that the reading is 0.5dB higher than the standard value, the “Ajustment Value” should be set to -0.5.

Press “OK”. The following window will appear:

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The “Total calibrated value is -0.5 dB”,calibration over. The range of the total calibrated value is from -12.5dB to 12.5dB.

For specics regarding the application of this software view the Help le.

Battery Replacement

The datalogger does not lose its stored readings when the battery is discharged or when the battery is replaced. However, you will not be able to store data until the battery has been replaced and the stored data has been downloaded to a PC.

Only use 3.6V lithium batteries. Before replacing the battery, unplug the unit from the USB port.

NOTE: Leaving the model plugged into the USB port for longer than necessary will cause some of the battery capacity to be lost.

WARNING: Handle lithium batteries carefully and read warnings on battery casings. Dispose with in accordance with local regulations.

For service on this or any other REED product, contact REED Instruments at [email protected].

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Notes _________________________________________

________________________________________________

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