LI-18
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Description

The LI-18 is a hand-held read-out unit for pyranometers, pyrgeometers, luxmeters and UV-A and UV-B sensors. The LI-18 has an RS-232 interface for a PC.

LI-18 integrator and read-out unit for radiation sensors such as pyranometers and uv sensors. Can also be used for other sensors with a microvolt level signal output.

With the switches on the right side of the housing, the type of sensor and the calibration factor of the sensor is entered so that the reading on the display shows a calibrated value with the corresponding units.

The LI-18 is battery powered and has a connection for a mains adapter. An adapter (230VAC - 50/60 Hz) is included in the delivery.

The LI-18 can integrate the input signal. The daily totals of the integrated value are stored. Up to 31 days can be stored. The totals can be read from the display.

The LI-18 is delivered complete with PC software. The software has the following functions:
- display real-time values
- make a graph with selectable sample interval
- store data with selectable sample interval
- read-out and store integrated totals

 

Specifications

Display functions

 

actual or integrated values

set sensor type

set calibration factor

set internal clock

read-out stored totals

set integration method

A/D resolution

1:10.000

A/D sample rate

10*/second

linearity error

1 LSB max.

offset

5 µV over -20...+40°C 

temperature coefficient 

<0.01%/°C

power supply

standard 9V battery or mains adapter

Ordering information

        Scope of delivery:                                                 Ordering reference:

LI-18 with adapter for 230VAC,                                LI-18

manual, RS-232 PC

cable and PC software

   

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Last modified on: 23-11-2006