DeFelsko PosiTest CMM User manual
Concrete Moisture Meter
Instruction Manual
It is suggested that the eter operator take 3 - 4
measurements in close proximity to one another, noting the
maximum measurement value for that inspection area. Using
the Hold Max mode (pg. 3) makes this process rapid and
convenient.
1
Introduction
The PosiTest CMM Concrete Moisture Meter uses the principle
of electrical impedance specifically calibrated for comparative
moisture measurements of concrete.
Accurate and simple to operate, the nondestructive PosiTest
CMM records up to 200 measurements for download to a
computer with the included USB cable.
Quick Start
1. Press to power up the eter.
2. Verify operation using the included Check Standard (see
instructions on Check Standard).
3. Press to select the desired measurement scale (pg. 3).
4. Press to select between the 3 operating modes (pg. 3).
5.Place the eter onto the concrete surface and press down to
fully compress the sensor pins. The sensor pins are designed
to measure accurately on smooth, rough, or uneven concrete
surfaces.
Before measuring with the PosiTest CMM, ensure that the
concrete surface is bare (uncoated), and free of dirt, dust, or
standing water. Inspect the spring-loaded sensor pins on the
underside of the gage and remove any dust or debris.
NOTE:
2
nPress once to power up the PosiTest CMM
nPress and hold for 3 seconds to power down
nWhen powered down, press and hold to display the
gage serial number
nPress once to record the displayed measurement
into memory. An on-screen memory counter will
show the current reading number “n”. The
PosiTest CMM stores up to 200 readings for
download to PosiSoft Desktop Software (pg. 4).
nMemory Review Mode — To review stored
measurements, press and hold the emory button
until the “n/n” memory indicator appears alongside
the most recent saved reading. Press the emory
button again to cycle through the readings in
memory. Press the Power button to exit Memory
Review Mode.
nTo clear memory, press and hold the emory
and Power buttons until the memory counter
displays “n0”.
While Memory Review Mode is active, the PosiTest
CMM will not take or record measurements.
NOTE:
To conserve battery life, the PosiTest CMM
automatically turns off after 3 minutes of no activity.
NOTE:
Power
Memory
Operating
mode icon(s)
Battery icon
Reading
number
Reading
easurement
Scale
1/4”-20
Threaded ount
Power
emory
Hold ax
Scale
nPress to select the desired measurement scale:
lConcrete 0 to 6%: Used for measuring on
concrete slabs. This scale is calibrated using the
gravimetric method (percentage of dry weight).
lCarbide Method 0 to 4%: Used for measuring on
concrete slabs. This scale is equivalent to the
Carbide method.
lRelative 0 to 100: Used for taking readings for
reference comparisons. This scale does not
indicate moisture content or humidity.
nPress to toggle between the 3 operating modes:
lContinuous Measurement Mode (no icon): The
eter continuously updates the display with the
current measurement value (this is the default
operating mode).
lHold Max Mode : The eter updates the
display only when the current measurement is
greater than what is already displayed. Press the
emory button to record the displayed
measurement into memory and reset the display.
Press the power button to reset the display without
recording the measurement.
lHold Max & Save Mode : The eter
updates the display only when the current
measurement is greater than what is already
displayed. Once stabilized, the measurement will
automatically be stored in memory.
Scale
Hold Max
3
Hold Max & Save Mode is
ideal for quickly measuring and
recording measurements on a large
surface especially when used with the
optional Telescopic Extender
(C EXT).
NOTE:
Telescopic Extender:
Ergonomically measure
concrete slabs without the
need to bend or kneel.
Battery Compartment
The PosiTest CMM is
powered by (2) AAA
batteries (included). When
replacement is required,
unscrew the compartment
cover to access the
batteries. Be sure to
observe the correct polarity
by inserting the
+terminal of each
new battery first into
the compartment.
¼”-20 Threaded Mount
Convenient and secure
mounting point for the
Telescopic Extender
accessory.
USB Port
Connect the supplied
USB cable to download
recorded measurements.
Ensure that the USB protective cover is secured
over the USB port prior to taking measurements.
I PORTANT:
4
Accessing Stored Measurement Data
PosiSoft Desktop - Powerful desktop software (PC/ ac) for
downloading, viewing, printing, and storing measurement data.
Includes a customizable, templated PDF Report Generator.
Learn more at www.defelsko.com/posisoft
Measurement
Scales
0 to 6% oisture content of concrete
0 to 4% Carbide ethod equivalent
0 to 100 Relative
Accuracy ± 0.5% oisture content of Concrete
Depth of
Penetration 20 mm
0.75”
Temperature
Range 5°C to 40°C
40°F to 105°F
IP Rating 65
Power 2 AAA Alkaline Batteries
Size 89 mm x 152 mm x 38 mm
3.5” x 6” x 1.5”
eight
including batteries
295 g
0.65 lbs.
Technical Data
5
www.defelsko.com
© 2021 DeFelsko Corporation USA
All Rights Reserved
This manual is copyrighted with all rights reserved and may not be reproduced or transmitted,
in whole or part, by any means, without written permission from DeFelsko Corporation.
DeFelsko, PosiTest, PosiTector, and PosiSoft are trademarks of DeFelsko Corporation
registered in the U.S. and in other countries. Other brand or product names are trademarks
or registered trademarks of their respective holders.
Every effort has been made to ensure that the information in this manual is accurate.
DeFelsko is not responsible for printing or clerical errors.
Troubleshooting and Returning for Service
Before returning your PosiTest CMM for service, first perform the
following actions:
1. Install new batteries in the proper alignment (pg. 4).
2. Examine the sensor pins and remove any debris or dust.
3. Ensure the concrete surface is bare (uncoated) and free of
dirt, dust, or standing water.
IMPORTANT:
If these steps do not resolve the issue, visit our Service &
Support page for information on returning your eter for a no-
charge evaluation. See: www.defelsko.com/service.
Limited arranty, Sole Remedy
and Limited Liability
DeFelsko's sole warranty, remedy, and liability are the express
limited warranty, remedy, and limited liability that are set forth on
its website: www.defelsko.com/terms
Concrete Moisture Meter
Manual de Instrucciones
1
Introdu ión
El PosiTest CMM Medidor de Humedad en Concreto utiliza el
principio de impedancia eléctrica calibrada específicamente para
realizar mediciones comparativas de humedad en el concreto.
Preciso y fácil de operar, el PosiTest CMM es un Medidor no-
destructivo que registra hasta 200 mediciones que se pueden
descargar en una computadora via cable USB incluido.
Ini io rápido
1. Presione para encender el Medidor.
2. Verifique la operación del Medidor utilizando el Patrón de
Verificación incluido (ver las instrucciones del patrón de
verificación).
3. Presione para seleccionar la escala de medición deseada
(ver pág. 3).
4. Presione para seleccionar uno de los 3 modos de
operación (ver pág. 3).
5. Coloque el Medidor sobre la superficie de concreto y presione
hacia abajo hasta comprimir completamente las puntas del
sensor. Las puntas del sensor están diseñadas para medir
con precisión en superficies de concreto lisas, rugosas e
incluso en superficies irregulares.
Antes de medir con el PosiTest CMM, asegúrese que la
superficie del concreto esta al desnudo (sin recubrimiento), libre
de polvo y agua estancada. Verifique la limpieza de las puntas de
medición con resorte de carga ubicadas en la cara inferior del
equipo. Retire cualquier tipo de polvo o escoria.
2
nPresione una vez para encender el PosiTest CMM
nPresione y sostenga la presión por 3 segundos
para apagar
nCuando esté apagado, presione y mantenga para
mostrar el número de serie
nPresione una vez para ingresar la medición en la
pantalla a la memoria. Un contador de registros
con el prefijo “n” en la pantalla indicará el número
de registro correspondiente a la memoria actual. El
PosiTest CMM almacena hasta 200 lecturas
descargables con el Software PosiSoft Desktop
(pág. 5).
nModo de Visualiza ión de Memoria — Para ver
las mediciones almacenadas, presione y mantenga
el botón de memoria hasta que el indicador de
memoria “n/n” aparezca a un lado del registro más
Para preservar la batería, el PosiTest CMM se apaga
automáticamente después de 3 minutos de inactividad.
N TA:
En endido
Memoria
Icono(s) del
modo de
operación
Icono de
la batería
Número
de registros
Lecturas
Escala de
medición
Montura
Roscada 1/4”-20
Encendido
Memoria
Retención
Max
Escala
Se sugiere que el operador de Medidor tome de 3 a 4
mediciones en proximidad cercana una de la otra dentro del área
inspeccionada. El valor máximo será el valor de medición.
Puede utilizar el modo Reten ión Max (“Hold Max”, pág. 3) para
hacer este proceso rápido y convenientemente.
N TA:
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