VOLTCRAFT DL-120 TH User guide

Datalogger Graph Software Help

Version 1.2, March 9, 2007

For additional information refer to the user guide included on the supplied program disk.

CONTENTS

Quick Start Guide

Installing Graph Software

Installing USB Driver

LED Status Guide

Menu Bar Description

Logger Setup

Logging Readings

Downloading Readings to PC

Data Graph Window description

Save and Open Data Files

Print Data Graph

Clear Logged Data

QUICK START GUIDE

1.Remove the semi-transparent cap from the Datalogger.

2.Install the battery in the Datalogger. If battery has been installed, you’d better make sure the battery in the Datalogger is sufficient to finish your task. For more details, see USER’S GUIDE.

3.Insert the Datalogger into a free USB port on your computer. The computer will automatically detect the presence of the Datalogger and start the hardware installation process.

4.Double-click the Datalogger icon on your desktop to launch the graph software. You will see the Main Screen.

5.Set up and start the Data Logger and follow the setup procedure: -Select the Start Mode

-Enter the Logger Name -Select the Sample Point -Select the LED Flash Cycle

-Confirm whether LEDs flash when the logging exceed the configured alarm level. -Select the Unit for Temperature.

-Enter Low Alarm and High Alarm for Temperature and Relative Humidity. -Then click the Setup button

6.The summary screen will appear.

7.Remove the Logger from the computer and place it in the location where you want to measure temperature.

Notes: When the Logger is connected to the USB port, the battery inside the Data Logger is discharged at a higher rate than normal. To conserve battery life, do not leave the Logger connected to the USB port for a prolonged period of time.

INSTALLING GRAPH SOFTWARE

1.Start Windows

2.Insert the CD into the CD-drive of your computer.

3.Run SETUP.EXE installation program on the CD, install it to the referred file directory.

4.The datalogger icon will be built on your desktop.

INSTALLING USB DRIVER

1.Insert the datalogger into a USB port on the computer.

2.Then the Windows system will show finding a new hardware.

3.Ensure the CD is in the CD-drive.

4.Choose specific directory to the CD in the CD-Drive.

5.The Windows system will start copying USB driver to your computer.

LED STATUS GUIDE

Green LED

REC

ALM

Red/Yellow LED

	LED Status			Indication		Action
	REC	ALM		Both LED lights OFF
				Logging not active		Start logging
				Or		Replace battery and
				Low Battery
						download the data
	REC	ALM		One green flash every 10 sec. *
				Logging active, no alarm condition**
				Green double flash every 10 sec.		To start, hold the start
				Delayed start		button until Green and
						Yellow LED flash
	REC	ALM		Red single flash every 10 sec. *
				Logging active, low alarm condition for RH***
				Red double flash every 10 sec. *
				Logging active, high alarm condition for RH***
				Red single flash every 60 sec.		If logging, logger will stop
				Low Battery****		automatically. No data will
						be lost. Replace battery
	REC	ALM		Yellow single flash every 10 sec. *
				Logging active, low alarm condition for TEMP***
				Yellow double flash every 10 sec. *
				Logging active, high alarm condition for TEMP***
				Yellow single flash every 60 sec.		Download the data
				Logger memory full

*To save power, the logger’s LED flashing-cycle can be changed to 20s or 30s via the supplied software.

**To save power, alarm LEDs for temperature and humidity can be disabled via the supplied software.

***When both temperature and relative humidity readings exceed alarm level synchronously, LED status indication alternate every cycle.

****When the battery is low, all operations will be disabled automatically. NOTE: Logging automatically stops when the battery weakens (logged data will be retained). The supplied software is required to restart logging and to download logged data.