DeFelsko PosiTest HHD Installation and operating instructions

The conduc ivi y of concre e is direc ly rela ed o i s mois ure
con en . To op imize he PosiTes HHD’s abili y o de ec
holidays in coa ings applied over concre e, Concre e Mode
should be enabled. When concre e mode is enabled he
Sensi ivi y menu icon will appear. For mos applica ions
he defaul sensi ivi y is appropria e.
Concrete Mode
Addendum to Instruction Manual v. 1
The conduc ivi y of concre e is direc ly rela ed o i s mois ure
con en . To op imize he PosiTes HHD’s abili y o de ec
holidays in coa ings applied over concre e, Concre e Mode
should be enabled. When concre e mode is enabled he
Sensi ivi y menu icon will appear. For mos applica ions
he defaul sensi ivi y is appropria e.
Concrete Mode
Addendum to Instruction Manual v. 1
The conduc ivi y of concre e is direc ly rela ed o i s mois ure
con en . To op imize he PosiTes HHD’s abili y o de ec
holidays in coa ings applied over concre e, Concre e Mode
should be enabled. When concre e mode is enabled he
Sensi ivi y menu icon will appear. For mos applica ions
he defaul sensi ivi y is appropria e.
Concrete Mode
Addendum to Instruction Manual v. 1
The conduc ivi y of concre e is direc ly rela ed o i s mois ure
con en . To op imize he PosiTes HHD’s abili y o de ec
holidays in coa ings applied over concre e, Concre e Mode
should be enabled. When concre e mode is enabled he
Sensi ivi y menu icon will appear. For mos applica ions
he defaul sensi ivi y is appropria e.
Concrete Mode
Addendum to Instruction Manual v. 1

Modifica ions o he ‘Quick S ar ’ (p. 5)
procedure when Measuring on Concrete
• A ach he PosiTes HHD ground cable o exposed rebar, pipe of o her me al
s ruc ure embedded in he concre e. Al erna ively, he ground cable can be
placed on op of an area of uncoa ed concre e using damp sandbags.
• Ensure Concre e Mode is enabled from he PosiTes HHD Menu. The
Concre e Mode icon will appear on he display.
•Ensure ha he elec rode is in con ac wi h he coa ing in an area wi h no
holidays before ac iva ing he high vol age ou pu . In concre e mode, he
PosiTes HHD only regula es he ou pu vol age for he firs half-second af er
he high vol age ou pu has been ac iva ed. If, while es ing, he displayed es
vol age decreases due o changes in concre e mois ure, simply deac iva e and
reac iva e he high vol age ou pu while keeping he elec rode in con ac wi h
he coa ing.
If he high vol age ou pu is ac iva ed while he elec rode is no in
con ac wi h he coa ing or if a holiday is presen , a vol age drop may be no iced
when he elec rode is placed on he coa ing.
NOTE:
• For bes opera ion, verify ha he Sensi ivi y is se correc ly. Find a
known holiday in he coa ing or prepare a shim of he same hickness as he
coa ing over he bare concre e wi h a 1mm diame er hole drilled in he cen er.
Ensure ha he PosiTes HHD de ec s he holiday or hole in he shim. If he
sensi ivi y is oo high (slider oo far o he righ ) he ins rumen may alarm when
no holiday is presen . If he sensi ivi y is oo low (slider oo far o he lef ) he
ins rumen may fail o alarm when a holiday is presen .
The sensi ivi y se ing is re ained during power cycles. Af er a Rese
he sensi ivi y is se o defaul .
NOTE:
• To urn off Concre e Mode, selec from he PosiTes HHD Menu.
© DeFelsko Corporation USA 2019 All Rights Reserved
Modifica ions o he ‘Quick S ar ’ (p. 5)
procedure when Measuring on Concrete
• A ach he PosiTes HHD ground cable o exposed rebar, pipe of o her me al
s ruc ure embedded in he concre e. Al erna ively, he ground cable can be
placed on op of an area of uncoa ed concre e using damp sandbags.
• Ensure Concre e Mode is enabled from he PosiTes HHD Menu. The
Concre e Mode icon will appear on he display.
•Ensure ha he elec rode is in con ac wi h he coa ing in an area wi h no
holidays before ac iva ing he high vol age ou pu . In concre e mode, he
PosiTes HHD only regula es he ou pu vol age for he firs half-second af er
he high vol age ou pu has been ac iva ed. If, while es ing, he displayed es
vol age decreases due o changes in concre e mois ure, simply deac iva e and
reac iva e he high vol age ou pu while keeping he elec rode in con ac wi h
he coa ing.
If he high vol age ou pu is ac iva ed while he elec rode is no in
con ac wi h he coa ing or if a holiday is presen , a vol age drop may be no iced
when he elec rode is placed on he coa ing.
NOTE:
• For bes opera ion, verify ha he Sensi ivi y is se correc ly. Find a
known holiday in he coa ing or prepare a shim of he same hickness as he
coa ing over he bare concre e wi h a 1mm diame er hole drilled in he cen er.
Ensure ha he PosiTes HHD de ec s he holiday or hole in he shim. If he
sensi ivi y is oo high (slider oo far o he righ ) he ins rumen may alarm when
no holiday is presen . If he sensi ivi y is oo low (slider oo far o he lef ) he
ins rumen may fail o alarm when a holiday is presen .
The sensi ivi y se ing is re ained during power cycles. Af er a Rese
he sensi ivi y is se o defaul .
NOTE:
• To urn off Concre e Mode, selec from he PosiTes HHD Menu.
© DeFelsko Corporation USA 2019 All Rights Reserved
Modifica ions o he ‘Quick S ar ’ (p. 5)
procedure when Measuring on Concrete
• A ach he PosiTes HHD ground cable o exposed rebar, pipe of o her me al
s ruc ure embedded in he concre e. Al erna ively, he ground cable can be
placed on op of an area of uncoa ed concre e using damp sandbags.
• Ensure Concre e Mode is enabled from he PosiTes HHD Menu. The
Concre e Mode icon will appear on he display.
•Ensure ha he elec rode is in con ac wi h he coa ing in an area wi h no
holidays before ac iva ing he high vol age ou pu . In concre e mode, he
PosiTes HHD only regula es he ou pu vol age for he firs half-second af er
he high vol age ou pu has been ac iva ed. If, while es ing, he displayed es
vol age decreases due o changes in concre e mois ure, simply deac iva e and
reac iva e he high vol age ou pu while keeping he elec rode in con ac wi h
he coa ing.
If he high vol age ou pu is ac iva ed while he elec rode is no in
con ac wi h he coa ing or if a holiday is presen , a vol age drop may be no iced
when he elec rode is placed on he coa ing.
NOTE:
• For bes opera ion, verify ha he Sensi ivi y is se correc ly. Find a
known holiday in he coa ing or prepare a shim of he same hickness as he
coa ing over he bare concre e wi h a 1mm diame er hole drilled in he cen er.
Ensure ha he PosiTes HHD de ec s he holiday or hole in he shim. If he
sensi ivi y is oo high (slider oo far o he righ ) he ins rumen may alarm when
no holiday is presen . If he sensi ivi y is oo low (slider oo far o he lef ) he
ins rumen may fail o alarm when a holiday is presen .
The sensi ivi y se ing is re ained during power cycles. Af er a Rese
he sensi ivi y is se o defaul .
NOTE:
• To urn off Concre e Mode, selec from he PosiTes HHD Menu.
© DeFelsko Corporation USA 2019 All Rights Reserved
Modifica ions o he ‘Quick S ar ’ (p. 5)
procedure when Measuring on Concrete
• A ach he PosiTes HHD ground cable o exposed rebar, pipe of o her me al
s ruc ure embedded in he concre e. Al erna ively, he ground cable can be
placed on op of an area of uncoa ed concre e using damp sandbags.
• Ensure Concre e Mode is enabled from he PosiTes HHD Menu. The
Concre e Mode icon will appear on he display.
•Ensure ha he elec rode is in con ac wi h he coa ing in an area wi h no
holidays before ac iva ing he high vol age ou pu . In concre e mode, he
PosiTes HHD only regula es he ou pu vol age for he firs half-second af er
he high vol age ou pu has been ac iva ed. If, while es ing, he displayed es
vol age decreases due o changes in concre e mois ure, simply deac iva e and
reac iva e he high vol age ou pu while keeping he elec rode in con ac wi h
he coa ing.
If he high vol age ou pu is ac iva ed while he elec rode is no in
con ac wi h he coa ing or if a holiday is presen , a vol age drop may be no iced
when he elec rode is placed on he coa ing.
NOTE:
• For bes opera ion, verify ha he Sensi ivi y is se correc ly. Find a
known holiday in he coa ing or prepare a shim of he same hickness as he
coa ing over he bare concre e wi h a 1mm diame er hole drilled in he cen er.
Ensure ha he PosiTes HHD de ec s he holiday or hole in he shim. If he
sensi ivi y is oo high (slider oo far o he righ ) he ins rumen may alarm when
no holiday is presen . If he sensi ivi y is oo low (slider oo far o he lef ) he
ins rumen may fail o alarm when a holiday is presen .
The sensi ivi y se ing is re ained during power cycles. Af er a Rese
he sensi ivi y is se o defaul .
NOTE:
• To urn off Concre e Mode, selec from he PosiTes HHD Menu.
© DeFelsko Corporation USA 2019 All Rights Reserved