EL-USB-2-LCD+ Lascar Electronics, EL-USB-2-LCD+ Datasheet

EL-USB-2-LCD+

Manufacturer Part Number

EL-USB-2-LCD+

Description

TEMP/RH USB DATA LOGGER, LCD, 2-1/2 DIGIT

Manufacturer

Lascar Electronics

Datasheet

1.EL-USB-2-LCD.pdf (5 pages)

Specifications of EL-USB-2-LCD+

Accuracy

±2.0 %RH

Humidity

0-100 %RH

Sample Rate

Every 10 Second to Every 12 Hours

Temperature Accuracy

±0.3 (±0.6) °C (°F)

Temperature, Range, Measuring

–35 (–31) to 80 (176) °C (°F)

Lead Free Status / Rohs Status

RoHS Compliant part

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* This speciÀ es the overall error in the logged readings for relative humidity measurements between 20 and 80%RH.

** This speciÀ es the overall error in the calculated dew point for relative humidity measurements between 40 and 100%RH at 25°C.

*** At temperatures below -20°C (-4°F) the LCD will exhibit slower response times of approximately 10 seconds.

† Depending on sample rate, ambient temperature and use of LCD.

SpeciÀ cations

Relative Humidity

Temperature

Dew Point

Logging rate

Operating temperature range***

1/2AA 3.6V Lithium Battery Life

EL-USB-2-LCD+

High Accuracy Humidity,

Temperature and Dew Point

Data Logger with LCD

FEATURES

• Higher accuracy sensor when compared to the

• 0 to 100%RH measurement range

• -35 to +80°C (-31 to +176°F) measurement range

• Dew point indication via Windows control software

• USB interface for set-up and data download

• User-programmable alarm thresholds for %RH & T

• Status indication via red and green LEDs

• High contrast LCD, with two and a half digit temperature

• Immediate, delayed and push-to-start logging

• Supplied with replaceable internal lithium battery and

This standalone data logger measures and stores up to 16,379 relative humidity and 16,379 temperature readings over 0 to 100%RH and

-35 to +80°C (-31 to +176°F) measurement ranges. The user can easily set up the logger and view downloaded data by plugging the data

logger into a PC’s USB port and using the supplied software. Relative humidity, temperature and dew point (the temperature at which water

vapour present in the air begins to condense) data can then be graphed, printed and exported to other applications. The high contrast LCD

can show a variety of temperature and humidity information. At the touch of a button, the user can cycle between the current temperature

and humidity, along with the maximum and minimum stored values for temperature and humidity. The data logger is supplied complete with

a long-life lithium battery, which can typically allow logging for up to 1 year.

SpeciÀ cations liable to change without prior warning

EL-USB-2-LCD

and humidity display function

Windows control software

Measurement range

Repeatability (short term)

Accuracy (overall error)

Internal resolution

Long term stability

Measurement range

Repeatability

Accuracy (overall error)

Internal resolution

Accuracy (overall error)

www.lascarelectronics.com

Issue 1

Minimum

-35 (-31)

every 10 s

-35 (-31)

10/09

Typical

±0.1

±2.0*

0.5

±0.1 (±0.2)

±0.3 (±0.6)

0.5 (1)

±1.1 (±2)**

1†

S.C

ORDERING INFORMATION

Standard Data Logger

(Data Logger, Software on

CD, Battery)

Replacement Battery

Maximum

100

±4

+80 (+176)

±1.5 (±3)

every 12 hr

+80 (+176)

Applies to EL-USB-2-LCD+

Unit

%RH

%RH/Yr

°C (°F)

Year

EL-USB-2-LCD+

BAT 3V6 1/2AA

Page 1 of 5

Related parts for EL-USB-2-LCD+

EL-USB-2-LCD+ Summary of contents

Page 1

... Standard Data Logger EL-USB-2-LCD+ (Data Logger, Software on CD, Battery) Replacement Battery BAT 3V6 1/2AA Maximum Unit 100 %RH %RH %RH ±4 %RH %RH/Yr +80 (+176) °C (°F) °C (°F) °C (°F) ±1.5 (±3) °C (°F) °C (°F) - every 12 hr +80 (+176) °C (°F) Year S.C Applies to EL-USB-2-LCD+ Page ...

Page 2

... DISPLAY AND STATUS FUNCTIONS The EL-USB-2-LCD+ features a high contrast LCD and two bi-colour LEDs. The LCD shows logged temperature and humidity values using seven segment numbers, along with annunciators. The LCD can also show information regarding the logging status. Negative symbol The LCD shows six different recorded readings, which can be cycled through using the built-in push button ...

Page 3

... Otherwise the display will remain blank. LED FLASHING MODES EL-USB-2-LCD+ features 2 bi-colour LEDs; one LED represents temperature measurement, the other represents RH. Each is clearly marked on the logger. To save power, the status indication alternates between the two channels every 10 seconds. First you will see the status of the temperature logging, and 10 seconds later you will see the status of the RH logging, and so on. RH% ° ...

Page 4

... Before replacing the battery, remove the EL-USB-2-LCD+ from the PC. Note: Leaving the EL-USB-2-LCD+ plugged into the USB port for longer than necessary will cause some of the battery capacity to be lost. WARNING Handle lithium batteries carefully, observe warnings on battery casing. Dispose of in accordance with local regulations. ...

Page 5

... Lithium coin cell 7 days N/A UNIT NOS. 6-8, 19/F Futura Plaza 111-113 How Ming Street Kwun Tong, Kowloon HONG KONG T +852 2389 6502 F +852 2389 6535 E saleshk@lascar.com.hk S.C Applies to EL-USB-2-LCD+ Battery Life* 1 year 3 years 1 year 1 year 1 year 1 year 1 year 1 year 6 months ...

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