OTR Geotester 3.0 User manual

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL PAGE 01
Geotester 3.0
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL
PAGE 02
STRUMENTI E MISURE GEOTECNICHE
E STRUTTURALI
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
PAGE 03
INDEX
Warnings
Applications
Identification
Description
Power
Main Menù
mv/Volt Readout
4-20mA Readout
Potentiometric Sensors Readout
Vibrating Wire Readout
PT100 Readout
Settings Menù
Help Menù
5
6
7
9
10
12
14
16
18
20
23
26
28
GEOTESTER 3.0
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUALPAGE 04
Geotester 3.0
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
PAGE 05
WARNINGS
!
!
!
!
This instrument must be utilized only for the application it has been
designed for, OTR declines all responsibility for any improper use;
Do not use the instrument in water where an electric dissipation is in
progress;
Do not use instrument near potentially explosive gases;
Don’t connect geotester 3.0 to instruments’ placed in water during an
electrical dissipation;
• Do not open the instrument, contact the manufacturer for checks and
repairs;
• Keep out of reach of children;
• Do not connect the instrument to the readout unit with wet hands;
• Clean the instrument and its cable with alcohol or water, do not use
acetone or aggressive liquids for plastics or labels;
Furthermore
Use protective gloves;
GEOTESTER 3.0
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL
PAGE 06
Geotester 3.0 has application in reading sensors for construction and
geotechnical engineering
• Electrical and Vibrating wire Piezometers;
• Crack meters, Inclinometers and Thermistores;
• Electrolines and Vibrating wires strain gauges.
Applications
GEOTESTER 3.0
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
PAGE 07
Identification
Every Geotester has a plate that indicates:
• Serial number;
• Model;
• Full scale:
• Input/Output;
GEOTESTER 3.0
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUALPAGE 08 GEOTESTER 3.0
Technical Features
0-2V 4-20 mA
+15V , 2.048 Vref
6V dc
mV
mV/V
Potentiometer
0-2V 4-20 mA
+15V , 2.048 Vref
Vibrating Wire
Thermistors
Excitation Signals
mV and 4-20 mA
mV/V
Vibrating Wire
Potentiometers
General Functions
Display
Power Supply
Autonomy
Box
0-2V 4-20 mA
+15V , 2.048 Vref
6V dc
0-2V 4-20 mA
+15V , 2.048 Vref
+15 Vdc
2.0480 Vdc
Universal, a band selection, auto centering band
2.0480 Vdc
Backlit, graphic
9V alkaline Battery
> 4 hours
ABS UL94-V0
Input
Function Resolution
Dimensions
Weight
Help
185x110x35 mm
400 gr battery included
With indication of clamps / colors for each kind of
sensor
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
PAGE 09
Description
Instrument is delivered with following accessories:
• mV/V cable and clamps ;
• mV/VW/POT/mA cable and clamps ;
• Protective Box;
• Two 315 mA Protection Fuses;
• A 9 Volt alkaline batteries
GEOTESTER 3.0
Geotester 3.0 is delivered fully calibrated and ready to use, for battery
installation refers to the following figure.
1. Remove Phillips screw indicated in the figure;
2. Open the battery holder;
3. Install a 9V battery PP3 Alkaline:
a. Do not use lithium Batteries with similar shape;
b. Zinc Carbon Batteries are not recommended;
c. Use just Alkaline PP3 9V Batteries
4. Close battery holder and screw the box.
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUALPAGE 10
Power on
Keyboard Layout with multifunction Keys
GEOTESTER 3.0
Press the key :
on
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
PAGE 11
GEOTESTER 3.0
Geotester will turn on indicating:
After few seconds a menu will appear:
Main Menù
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL
Keep pressed off button to turn off the device
Press fn button to change luminosity, this value will be automatically
recorded in Geotester Memory
Press upper arrow to change the function to be selected
Press lower arrow to change the function to be selected
Press OK to select the function
Active Key:
GEOTESTER 3.0
PAGE 12
Millivolt Readout
Connect to Geotester 3.0 the Red cable.
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
GEOTESTER 3.0 PAGE 13
Press OK to enter in Millivolt reading menu and it will appear:
Red Sensor positive Supply (15Vdc)
Black Sensor negative supply/signal
Blue Positive Signal (±5000.0 mV)
Refer always to sensor manual before connecting Geotester 3.0. An
improper connection could damage your sensor.
Press OK to enter in measure modality after learning connections and
colours.
Geotester will measure the signal in mV. For other features of these
function refer to Stability Option paragraph.
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL
Keep pressed off button to turn off the device. If battery charge allows it
when geotester will be turned on again it will start directly in this function.
Press fn button to change luminosity, this value will be automatically
recorded in Geotester Memory
Press esc button to return to general menu.
Active Key:
Connect to Geotester 3.0 the Yellow cable.
Press OK to enter in Millivolt reading menu and it will appear:
GEOTESTER 3.0
PAGE 14
mV/Volt Readout
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
Red Sensor Positive Supply (2.0000 V)
Black Sensor Negative Supply
Green Differential Positive Ouput signal (± 2mV/V/FS)
White Differential Negative Ouput signal (± 2mV/V/FS)
GEOTESTER 3.0 PAGE 15
Refer always to sensor manual before connecting Geotester 3.0. An
improper connection could damage your sensor.
Press OK to enter in measure modality after learning connections and
colours.
Geotester will measure the signal in mV/V. For other features of these
function refer to Stability Option paragraph.
Keep pressed off button to turn off the device. If battery charge allows it
when geotester will be turned on again it will start directly in this function.
Press fn button to change luminosity, this value will be automatically
recorded in Geotester Memory
Press esc button to return to general menu.
Active Key:
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL GEOTESTER 3.0 PAGE 16
Connect to Geotester 3.0 the Red cable.
Press OK to enter in mA reading menu and it will appear:
4-20mA Readout
Red Sensor positive Supply (15Vdc, L+)
Green Sensor signal return (L-)
Black Sensor negative supply (3 Wires 4-20 mA sensors only)
Refer always to sensor manual before connecting Geotester 3.0. An
improper connection could damage your sensor.
Press OK to enter in measure modality after learning connections and
colours.
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
GEOTESTER 3.0 PAGE 17
Geotester will measure the signal in mA. For other features of these
function refer to Stability Option paragraph.
Keep pressed off button to turn off the device. If battery charge allows it
when geotester will be turned on again it will start directly in this function.
Press fn button to change luminosity, this value will be automatically
recorded in Geotester Memory.
Press esc button to return to general menu.
Action Key:
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL
Potentiometric sensors Readout
GEOTESTER 3.0
PAGE 18
Connect to Geotester 3.0 the Red cable.
Press OK to enter in Potentiometer reading menu and it will appear:
Red Sensor positive Supply of the sensor (2.0000V)
Black Sensor negative supply of the sensor
Blue Sensor Ouput (0 to positive supply)
Refer always to sensor manual before connecting Geotester 3.0. An
improper connection could damage your sensor.
Press OK to enter in measure modality after learning connections and
colours.
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
GEOTESTER 3.0 PAGE 19
Geotester will measure the signal of potentiometer in % considering 0%
zero value and 100% full scale value.
For other features of these function refer to Stability Option paragraph.
Keep pressed off button to turn off the device. If battery charge allows it
when geotester will be turned on again it will start directly in this function.
Press fn button to change luminosity, this value will be automatically
recorded in Geotester Memory
Press esc button to return to general menu.
Action Key:
Numero 051
Rev. 03 del 27/04/2022

O.T.R. s.r.l. Via Btg. Susa 36 29122 Piacenza [phone]
www.otr-geo.it [e-mail] P.IVA 00894610153
USE AND MAINTENANCE MANUAL GEOTESTER 3.0 PAGE 20
Vibrating wire Readout
Connect to Geotester 3.0 the Red cable.
Press OK to enter in Vibrating wire reading menu and it will appear:
Yellow Coil + of the sensor
White Coil - of the sensor
White Thermistor of the sensor
Green Thermistor of the sensor
Refer always to sensor manual before connecting Geotester 3.0. An
improper connection could damage your sensor.
Press OK to enter in measure modality after learning connections and
colours.
Numero 051
Rev. 03 del 27/04/2022