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EL-USB-1 Temperature Data Logger

The EL-USB-1 temperature data logger measures and stores up to 16,382 temperature readings over a -35 to +80°C (-31 to +176°F) range. Easily set up the logging rate and start-time, and download the stored data by plugging the data logger into a PC’s USB port and running the purpose-designed software that allows you to easily graph, print and export data to other applications. The EL-USB-1 data logger is supplied with a long-life lithium battery which can typically allow logging for more than 1 year. Function and alarm states are indicated by flashing red, green and orange LEDs. The data logger is protected against moisture to IP67 standard when the protective cap is fitted.

Features

  • -35 to +80°C (-31 to +176°F) Measurement Range
  • USB Interface for Set-up and Data Download
  • 2 User-Programmable Alarm Thresholds
  • Bright Red, Green and Orange LED Indication
  • Replaceable Internal Lithium Battery
  • IP 67 Protection (totally protected against dust; protected against liquid immersion up to 1 m)

Programmable Elements

  • Logger Name
  • °C, °F
  • Logging Rate (10 s, 1 min, 5 min, 30 min, 1 h, 6 h, 12 h)
  • High and Low Alarms
  • Start Date and Start Time

Specification

Parameter Minimum Typical Maximum Unit

Measurement Range:

-35 (-31)

  

+80 (+176)

°C (°F)

Internal Resolution:

  

0.5 (1)

  

°C (°F)

Accuracy (overall error):

  

±1 (±2)

  

°C (°F)

Logging Rate:

every 10 s

  

every 12 h

--

Memory Capacity:

  

16382

  

samples

Operating Temperatur Range:

-35 (-31)

  

+80 (+176)

°C (°F)

Battery Life

1*

    

year
 

* at 25 °C and 1 min logging interval

Easylog Record Times

Sampling Interval Record Times

1 sample every 10 seconds

45 hours

1 samples every minute

11 days

1 sample every 5 minutes

56 days

1 sample every 30 minutes

11 months

1 sample every hour

1.8 years

1 sample every 6 hours

>2 years

1 sample every 12 hours

>2 years

Dimensions

Dimensions EL-USB-1

Dimensions in inches (mm)

LED Flashing Modes

LEDs on EL-USB-1 data logger

The EL-USB-1 data logger features 2 LEDs: The first LED flashes green or red to indicate alarm level status; The second LED flashes orange to indicate a problem condition on the EL-USB-1.

The logger will flash red when the logged temperature has exceeded a Low or High alarm level. “Hold” mode is disabled by default. In this mode the red LED will no longer continue to flash after the logged temperature has returned to normal from an alarm condition.

“Hold” can be turned on via the control software. In this mode, the red LED that indicates an alarm condition will continue to flash, even after the logged temperature has returned to normal. The red LED will effectively be held in its alarm condition. This ensures that the user is notified that an alarm level has been exceeded, without the need to download the data from the logger.

Green Double Flash
The data logger is not currently logging, but is primed to start at a later date and time (delayed start).

Green Single Flash
The data logger is currently logging. No alarm.

Green and Orange Single Flash
The data logger is full and has stopped logging. No alarm.

Red Single Flash
The data logger is currently logging. Low alarm.

Red and Orange Single Flash
The data logger is full and has stopped logging. Low alarm.

Red Double Flash
The data logger is currently logging. High Alarm.

Red and Orange Double Flash
The data logger is full and has stopped logging. High alarm.

Orange Single Flash
The battery is running low as its voltage has dropped below 3.3 V. Data logging will continue until the battery voltage drops below 2.8 V.

No LEDs Flash
The data logger is stopped, the battery is dead, or there is no battery.

Ordering Information

Order Number Description

EL-USB-1

Temperature Data Logger
Includes EL-USB-1 data logger, software on CD, and battery.

BAT 3V6

Battery
Replacement battery.

EL-USB-CASE

Case
Rugged metal alloy design for harsh conditions. Waterproof to IP-67/NEMA-4X

Further Information

EL-WIN-USB Software

Further information about the free EL-WIN-USB software

EL-DataPad

Further information about the EL-DataPad, the portable viewer.

Information in the PDF datasheet (see above) may be more detailed. Due to continual product development, ALTHEN and partners reserve the right to vary the foregoing details without prior notice.