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Operating Instructions

Rain Gauge

VAN WALT

Monitoring your needs

Problems and solutions

This chapter provides useful tips and information if problems occur with the performance of the

datalogger or the rain gauge during or after they have been put into operation. The following tips

can help you to ascertain what is wrong and possibly correct the fault yourself.

No measurements appear after starting up the datalogger and putting it into service.

• If the datalogger is used in stand-alone capacity:

• Check if the correct type of connection cable has been used or if the cable is damaged,

whether the infrared eyes of the datalogger are clean and the readout unit is connected

correctly. Next check in LDM e+ under the Application management tab -> Program settings if

the correct COM-port has been selected.

•

If the datalogger is connected to an e-SENSE SMS modem (field modem) and if e-SENSE direct

or the e-SENSE data site is used:

• If the fault occurs in all dataloggers used, there is probably a fault in e SENSE direct or the

e-SENSE data site. Consult the instructions for e-SENSE direct or the e-SENSE data site. If the fault

only occurs in dataloggers that are connected to a specific SMS modem, there is probably a

fault in that SMS modem. Consult the user manual of the SMS modem. If the fault only occurs

in one specific datalogger, check if the correct type of connection cable has been used or

whether the cable is damaged.

If the measures above do not solve the problem, remove the datalogger and check its operation

with a readout unit and a (laptop) computer with LDM e+ installed on it. If communication

with the datalogger is not possible in LDM e+, replace the battery as described in chapter 7,

“Maintenance”. Contact your supplier if the fault cannot be corrected with any of these measures.

Communication with the datalogger is correct, but no measurements appear.

• If the datalogger is used a stand-alone capacity:

•

In LDM e+, check the settings for Sample speed and Future start and also check the system time

of the (laptop) computer under Settings, Configuration, Date and Time. Synchronize the RTC

when starting up the datalogger. Depending on the set Sample speed and possibly a set Future

start, measurements should now become available at a certain point in time.

• If e-SENSE direct or the e-SENSE data site is used:

• Check the settings for Sample speed, Send interval, Send start and Channel is activated. The

setting for Sample speed should be lower than the setting for Send interval, while Channel

is activated must be active. Depending on the value for Send interval and Send start,

measurements should become available at a certain point in time. If this is not the case, check

The signal strength level of the e-SENSE SMS modem (field modem), if applicable. Please refer to

the user manual of the SMS modem for checking the field strength level of the SMS modem.

The signal strength level of the computer GSM modem, if applicable. The field strength level is

shown in the status bar of e-SENSE direct.

Содержание Rain Gauge

Страница 1: ...43V3_02 06 2020_TD Contents Introduction 1 Description 1 1 Package contents 1 2 General 1 3 Datalogger 1 4 Measuring section 2 Technical specifications 3 Taking into use 3 1 Settings 3 2 Connection 3...

Страница 2: ...scription 1 1 Package contents 0 e RAIN sensor which consists of a datalogger 11 41 21 01 rain gauge 11 41 21 02 LDM e software 11 11 14 and battery set e logger 11 41 90 01 0 Available separately Sta...

Страница 3: ...e shipping to prevent damage in transit To release the mechanism remove the funnel from its base by unscrewing the three thumbscrews Remove the piece of foam from under the bucket mechanism This foam...

Страница 4: ...hosen times Resolution 0 0033 15 bit data storage Clock accuracy 1 sec per day Alarm 0 100 of the measuring range Battery status 0 to 100 Temperature operating range 20 70 C Relative humidity range 0...

Страница 5: ...Application Management tab and enter the following settings options Selected port should show the number of the port to which the readout unit is connected User type in this case Basic is sufficient o...

Страница 6: ...o a permanently installed connecting cable The IrDa interface has an optical unit that makes it possible for the datalogger to be read from a distance of 1 2 metres It is fitted with a 9 pole sub D co...

Страница 7: ...designed to carry out remote wireless transmission of the measurement data from the e sensors by means of an SMS modem to a central Internet database This does away with having to read data in the fie...

Страница 8: ...d First of all the stand for the meter must be placed in a stable and horizontal position This will require drilling a hole in the soil in which to place the tube of the stand After putting the tube i...

Страница 9: ...ation cable Protective cap optional e logger Mounting nut with vandalism proof bolts Delivered with measuring station 7 Remove the protective cap with eye and the O ring of the e logger 8 Remove the n...

Страница 10: ...continue installation for IRDA readout step 11 till 14 Communication cable step 15 till 18 11 Screw the logger nut on the e logger or use the optional protective cap and turn it hand tight It is also...

Страница 11: ...is curved along the e logger Sensor cable 14 Push the e logger in the square tube just that far that the tap holes of the mounting nut correspond with the first pair of holes in the square tube Screw...

Страница 12: ...er and screw it hand tight Sensor connector Ring nut e logger 17 Shove the e logger in the square tube of the measuring unit the sensor cable is curved along the e logger Sensor cable 14 Push the e lo...

Страница 13: ...step 19 15 Screw the opto connector of the communication cable on the e logger the postion pen of the opto connector fits in the free space of the e logger Position pen 16 Mount the sensor connector...

Страница 14: ...needs 18 Push the e logger in the square tube just that far that the tap holes of the mounting nut correspond with the second pair of holes in the square tube Screw in both vandalism proof bolts Vanda...

Страница 15: ...on starting if this box has been checked the RTC clock of the datalogger is synchronized with the system clock of the computer at start up Stop clicking on this button will stop the datalogger immedi...

Страница 16: ...the measurement values exceed one of the alarm boundaries the alarm status is activated The alarm status can be reactivated only once the hysteresis limits are reached The limit values can be set in...

Страница 17: ...it is necessary to start obtaining measurement totals the starting value of the integrator can be set at zero which can be done by adjusting the datalogger s Master setting to the value 0 This is cal...

Страница 18: ...if the correct type of connection cable has been used or whether the cable is damaged If the measures above do not solve the problem remove the datalogger and check its operation with a readout unit...

Страница 19: ...If many alarm messages are received repeatedly choose the hysteresis values in such a way that the difference with the alarm values is increased If the problem persists check the course of the measur...

Страница 20: ...the instrument to which a static calibration is performed Subsequently the new calibration factor of the instrument is determined via a dynamic calibration measurement If so desired the Range setting...

Страница 21: ...ervoir should take at least one hour Use the datalogger to record the number of contacts The number of contacts should roughly be 98 whereby the actual number of contacts determines the calibration fa...

Страница 22: ...the outside of the e logger dry and clean 3 Remove the O ring and the nut 4 Slip the support ring battery cover and both thin O rings of the e logger 5 Remove the desiccant pack 6 Remove the battery b...

Страница 23: ...O ring with vaseline The O ring must be covered completely with vaseline O ring seat Vaseline O ring 1 for O ring 1 12 Place the desiccant pack H2 76 41 0 13 Slide the battery cover on the e logger No...

Страница 24: ...6 808 www vanwalt com Rain Gauge 24 VAN WALT Monitoring your needs 16 Place the support ring and screw the nut on the e logger place O ring 3 17 Clean the outside of the e logger remove the superfluou...

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