Spectrum Technologies 6490S User manual

TruFirm

Turf Firmness Meter

PRODUCT MANUAL

Item #6490S

This manual will familiarize you with the features and operation of

your new Field Scout TruFirm Turf Firmness Meter. Please read

this manual thoroughly before using your instrument. For customer

support, or to place an order, call Spectrum Technologies, Inc. at

800-248-8873 or 815-436-4440 between 8 am and 4:30 pm CST,

FAX at 815-436-4460, or e-mail at info@specmeters.com.

www.specmeters.com

Spectrum Technologies, Inc

3600 Thayer Court

Aurora, IL 60504

Table of Contents

General Overview 3

Specifications 3

Component Part Names 4

Setup 5

Using the TruFirm 6

FieldScout Mobile App/SpecConnect 8

FieldScout Mobile App/Setup and Use 10

Interpreting TruFirm Readings 12

Certifications 14

TruFirm® is a registered trademark of the USGA.

The Field Scout TruFirm Turf Firmness Meter is used to

measure the firmness of sports playing surfaces, especially

golf greens, fairways and bunkers. The device consists of

an impact plunger and a rotary position sensor. Once

motion of the plunger is detected the electronics will collect

and process the signal and send a measurement to an LCD

display. The measurement also transmitted via Bluetooth

to a mobile device.

General Overview

Specifications

Power: 2 AA batteries (included)

Weight: 4.3 lb. (1.95 kg)

Height: 27 in (69 cm)

Height: 46 in (117 cm), with plunger extended

Diameter of Plunger: (1.68 in, 4.27 cm)

Measurement units: Depth of travel (inches)

Range: 0.1 in - 1.5 in

Resolution: .01 in at 1.00 in - 1.50 in

.003 in at 0.100 in - .999 in

Display: LCD

Component Part Names

Actuator Arm

Button

Collar

Plunger Shaft

Base

Foot Support

SET UP

The TruFirm meter requires 2 AA Batteries (included). They

are installed inside the plastic housing. Remove the four

screws holding the lid in place to access the battery holder.

Note: If the TruFirm will not be used for an extended period

of time (over one month), it is recommended that you re-

move the batteries.

Using the TruFirm

The TruFirm meter measures the depth the plunger de-

presses a surface when it is released from a set height. The

value of this depth is displayed on an LCD readout.

The unit will also display the average of a series of meas-

urements and the number of measurements included in the

average on its LCD.

Activating/Deactivating the Display:

The unit is activated by briefly pressing the Button. The

LCD will display the percent battery life for 5 seconds and

then show zeros when it is ready to take a measurement.

The TruFirm will power off after 5 minutes of inactivity.

Taking a reading:

1. Place the unit on the surface being measured. If the sur-

face is sloped, orient the Base so that it is pointing

downhill.

2. Step lightly on the Foot Support. This will ensure the unit

does not tip over after the reading is taken.

3. If the Display is blank, press the Button briefly and wait

for the unit to turn on.

4. Lift up the Plunger all the way. The display will now

show the number of measurements that have been in-

cluded in the average (or zero for the first reading).

5. Release the Plunger so that it drops smoothly.

6. On the first measurement, the value of the current

measurement is displayed. For subsequent measure-

ments, the LCD will display the current reading for 2

seconds and the average after 2 seconds.

To reset the average, press the Button briefly while the av-

erage value is being displayed. If the average is not reset,

the next reading will be included in the average as well. The

average will also be reset if the meter is powered off

(manually or due to 5 minutes of inactivity).

Release smoothly to avoid affecting drop speed.

Lift plunger straight up to top of travel. Use foot support to

stabilize the unit.

The FieldScout Mobile App can be used to view measurement results

directly on your mobile device and send data directly to the Spec-

Connect web interface. Data can be viewed on a Smartphone in two

formats:

Basic Grid mode - Available with or without a SpecConnect subscrip-

tion. The site is divided into a customizable 2-dimensional grid of 3 to 5

rows and 3 to 5 columns. Measurements are taken in each grid cell.

Grid cells are color-coded showing firmness average (fig. 1).

Freeform mode - Available with a SpecConnect subscription. Color-

coded location icons are placed at every measurement point using the

coordinates from the internal location of the app’s mobile device (fig.

2).

The data from the Pro version of the app is sent instantaneously to

SpecConnect. Data can be viewed in map form (fig. 3), exported to a

spreadsheet, or viewed as a Trend Report (fig. 4).

More details are available in the user's guide for the app.

Field Scout

Mobile App/

SpecConnect

Figure 2. Freeform ModeFigure 1. Grid Mode

Fig. 3. 2-D Mapped Readings and Contour Plot in SpecConnect

Fig. 4. Trend Report

1. Open the FieldScout mobile app.

2. Enter the SpecConnect username and password to send measure-

ments to the cloud account or tap Use FieldScout Basic to start grid

mode

3. Upon first use; Tap the Golf or Agriculture icon.

4. Select an existing Course/Farm or create a new one.

5. Tap the “Start a New Session” button. Alternately, you can select an

existing session. In this case, skip to the second part of step 7.

6. Select TruFirm as the Meter Type and name the session.

7. Select the newly created session, then select whether the data will be

collected in Grid or Freeform mode.

8. In Basic mode, the Grid screen appears. Tap on a grid cell where

measurements will be added. The app will display the Take Read-

ings screen (fig. 1a).

In Freeform mode, the app will transition to the session screen (fig.

1b).

FieldScout Mobile App:

Setup and use

Figure 1a. Bluetooth

Connect button (grid) Figure 2. Scanned

device list

Figure 1b. Bluetooth

Connect button

(freeform)

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