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EL-USB-2
DIMENSIONS
Humidity, Temperature and Dewpoint USB Data Logger
All dimensions in mm (inches)
Internal Relative Humidity and Temperature Sensor Location
103 (4.06)
BATTERY REPLACEMENT
We recommend that you replace the battery every 12 months, or prior to logging critical data.
The EL-USB-2 does not lose its stored readings when the battery is discharged or when the battery is replaced; the
data logging process will however be stopped and cannot be re-started until the battery has been replaced and the
logged data has been downloaded to PC.
Only use 3.6V 1/2AA lithium batteries. Check with your supplier that the battery you are ordering is 'press fit' and
is not fitted with solder tags. Before replacing the battery, remove the EL-USB-2 from the PC.
Note:
Leaving the EL-USB-2 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.
RECONDITIONING PROCEDURE
Exposure of the internal sensor to chemical vapors may interfere with the internal sensor and cause inaccurate
readings to be logged. In a clean environment, this will slowly rectify itself. However, exposure to extreme
conditions or chemical vapors will require the following reconditioning procedure to bring the internal sensor back
to calibration state.
80°C (176°F) at < 5%RH for 36h (baking) followed by
20-30°C (70-90°F) at > 74%RH for 48h (re-hydration)
High levels of pollutants may cause permanent damage to the internal sensor.
MEASUREMENT ACCURACY
4
Martel Electronics Corporation
DT-EL-USB2
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相关PDF资料
24678181
2POS KEY DET-22MM METAL
88950307
POWER SUPP 24VDC 30W 100-240VAC
91347-4
SEATING TL RCPT PR 20 COL
P51-100-S-A-P-5V-000-000
SENSOR 100PSIS 1/4 NPT 5V
P51-75-S-A-P-5V-000-000
SENSOR 75PSIS 1/4 NPT 5V
91347-3
SEATING TL 4 PR 12 COL HDR
FXO-HC335R-10
OSCILLATOR 10.000 MHZ 3.3V SMD
592-2320-013F
LED PRISM BI-LVL GRN HE RED SMD
相关代理商/技术参数
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