Spectrum Technologies FieldScout TDR 250 Bedienungsanleitung

“To Measure Is To Know”“To Measure Is To Know”

FieldScout® TDR 250 Soil Moisture Meter

Product Manual

info@specmeters.com www.specmeters.com 800.248.8873

Item #6250

GENERAL OVERVIEW

Thank you for purchasing a FieldScout TDR 250 Soil Moisture Meter. This manual describes the meter’s general features



















• TDR 250 Meter

• 

TDR rods are sold separately

TABLE OF CONTENTS



Product Details.....................................................



Data Logging & Measurements.........................

Maintenance........................................................





Please read this manual thoroughly before launching the unit.

























PRODUCT DETAILS

Specicaons

Product Dimensions

Characterisc







Display



Descripon







































Diameter......... 0.2" (0.5cm)



Display Screens



• Startup

• Reading

• 

Startup Informaon Screen



• 

• 

Reading Screen







Sengs Menu Screen







Clear Average*

READ|Down

Rod Length

Soil Type

• Standard: for most soil types

• Hi-Clay:

• Sand:

Clear Logs*

Save to USB*

Backlight

Sound

Moisture Type

• 

• 

• 

Auto-O

Current Date, Current Time

Time Zone

Daylight Savings

Calibraon*

Clear User Calibraon

Factory Defaults*

*Pressing Select buon for these opons brings up addional screen

About

Defaults

Oponal Accessories





TDR Spacer (Item 6435SP)

•  



• 

• 

Pilot Hole Maker (Item 6430PH)



of the probe rods.

Rod Length

Soil Type

Sound

Backlight

Moisture Type

EC Units

Not Set

Standard

Disabled





Auto-O

Time Zone

15 minutes

GMT

OPERATIONS

Buon Funcons

Seng Date/Time



Note: When the baeries are removed, the date and me are reset

Updang the Date and Time

1. Press the MENU|SELECT

2. Press the UPDOWNCurrent Date or Current Time

3. Press the MENU|SELECT

4. Press the DELETE|UP

5. UPDOWN

6. Press the MENU|SELECT

7. MENU|SELECT

8. Press the ON/OFF|BACK

ON/OFF|BACK 

• 

• 

• 

• 

MENUSELECT

• Press to enter menus

• 

DELETEUP

• 

• 

counter and its entry from the internal data log

READDOWN

• 

• Press READ to take a reading

• 

250



Meter Operaons

Handlebars Aached

Seng Up the Meter

1. 

2. 

3. 

4. 

5. 

Taking Readings

1. 

2. 







3. Press the READ

DATA LOGGING & MEASUREMENTS

Data Logs

Downloading Data Logs to a USB Flash Drive

1. 



2. Press the MENU|SELECT

3. Press the READ|DOWN

4. Press the MENU|SELECT







Erasing the Internal Data Log

1. Press the MENU|SELECT

2. Press the READ|DOWNClear Logs

3. Press the MENU|SELECT

4. Press the MENU|SELECTON/OFF|BACK

Data Collected



Time

VWC%

Period

Rod Length

Soil Type

VWC Mode

Time Zone







Depicted as Long (LMST

0.5" Spacer (12)

Depicted as Standard (SH) or Sand (D)

V) or

3)



VWC Measurements

Volumetric Water Content (VWC)





Saturaon:

Field Capacity:



Permanent Wilng Point:

Plant Available Water:



Time Domain Reectometry (TDR)

















MAINTENANCE

Meter Care



NOT





• 

• 

• 

Baery Life











Display and Sensor Separaon

1. 

2. Flip the display so the backing plate is facing up

3. 

4. Gently separate the display from the base plate



Baery Replacement

1. 

2. 

3. 



Display Installaon

1. 

2. 

cable molding.

3. 

4. 

number label.

5. 

UPDATING & CALIBRATION

Updang Device Firmware





1. 



2. 

3. 

4. 

5. DELETE|UPON/OFF|BACK

and the screen should stay blank.

6. 





Spectrum logo.

7. 

8. 

Soil-Specic Reading Correlaon









1. 

2. 

3. Obtain FieldScout TDR period reading at each sample site

4. 

5. 

6. 

7. Plot sample measurements against FieldScout TDR readings



Volumec Water Content Calculaons   Where

drytot) M Mdry

Gravimetric Water Constant Calculaonstot

b) p

drydry

pbdrytot

Calibraon











1. 



2. 

Note: Well or municipal tap water cannot be substuted.

Procedure:

1. 



2. 

3. 

4. Press the MENU|SELECT

5. 

MENU|SELECT

6. 

the sensor base and rods centered in the container. Do not submerge the sensor base.

7. Press the MENU|SELECT





Troubleshoong













Unable to save data to or load rmware from a USB ash drive





“Sensor Not Detected” appears on the display





“No Sensor” appears on the display





Rod Length

VWC %

















Dieses Handbuch passt für folgende Modelle

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