Camur​ ​II​ ​CorroWatch

For​ ​automatic​ ​monitoring​ ​of​ ​CorroWatch1​ ​and​ ​CorroRisk​1​​ ​sensors Description The​ ​Camur​ ​II​ ​CorroWatch​ ​node​ ​monitors​ ​automatically​ ​LPR,​ ​ZRA,​ ​resistance,​ ​potential​ ​and temperature.​ ​The​ ​inputs​ ​are​ ​galvanically​ ​separated​ ​from​ ​the​ ​bus​ ​side. Technical​ ​data Inputs Voltage Current AC​ ​resistance Temperature Temp.​ ​coefficient Noise Impedance Sampling​ ​interval

6 6 6 1​ ​(Pt1000) 0,009​ ​%​ ​/​ ​°C ±​ ​1​ ​division >​ ​50​ ​MΩ ≥​​ ​1​ ​s

Polarization​ ​output​ ​(LPR) Range ±​ ​2​ ​V Resolution 0.1​ ​mV Accuracy ±​ ​(0.1​ ​mV​ ​+​ ​0.004​ ​%​ ​of​ ​reading) Resistance​ ​measurement​ ​signals Vosc Rout Range​ ​1 1​ ​V 220​ ​Ω​ ​(below​ ​500​ ​Ω:​ ​0.5​ ​V​ ​/​ ​220​ ​Ω​) Range​ ​2 1​ ​V 220​ ​Ω Range​ ​3 1​ ​V 220​ ​Ω Range​ ​4 1​ ​V 220​ ​Ω Frequency​ ​of​ ​1kHz Power​ ​in Power​ ​consumption Dimensions​ ​(WxHxD) Weight

1

12-48​ ​VDC 18​ ​mA​ ​@​ ​24​ ​V 63​ ​x​ ​82​ ​x​ ​34​ ​mm 125​ ​g

​ ​FORCE​ ​Technology

HS​ ​export​ ​code:​ ​9031​ ​8090

Camur​ ​II​ ​CorroWatch,​ ​Rev​ ​1​ ​-​ ​May​ ​2015 Page​ ​1​ ​of​ ​5

Range​ ​1 Resolution Accuracy

Voltage ±​ ​2 VDC 0.1 mV 0.2 mV

Current ±​ ​2 mADC 1 μA 1 μA

AC​ ​resistance 1​ ​-​ ​2000 Ω 1 Ω 1 %

Range​ ​2 Resolution Accuracy

-

±​ ​300 μA 0.05 μA 0.1 μA

2-20 1 1

k​Ω Ω %

-

Range​ ​3 Resolution Accuracy

-

-

20​ ​-​ ​100 10 1

k​Ω Ω %

-

Range​ ​4 Resolution Accuracy

-

-

0.1​ ​-​ ​3 100 5

M​Ω Ω %

-

Temperature -40​ ​-​ ​+80​°C 0.1​ ​°C ±​ ​1​ ​°C

Connectors Bus Double​ ​set​ ​of​ ​screw​ ​terminals​ ​in​ ​the​ ​node​ ​box​ ​(+,​ ​-​ ​,​ ​H​ ​,​ ​L) Sensors A1​ ​-​ ​A4 A5​ ​-​ ​A6 BAR CE RE P1+ P2P1 P2

Working​ ​electrodes​ ​(anodes)​ ​1​ ​-​ ​4 Additional​ ​working​ ​electrodes​ ​for​ ​CorroWatch​ ​6 Optional​ ​connection​ ​to​ ​reinforcement​ ​bar Counter​ ​electrode​ ​(cathode) Reference​ ​electrode Supply​ ​Voltage​ ​for​ ​Pt​ ​1000 Supply​ ​Voltage​ ​for​ ​Pt​ ​1000 Measuring​ ​sense​ ​for​ ​Pt​ ​1000 Measuring​ ​sense​ ​for​ ​Pt​ ​1000

Note! For​ ​two​ ​wire​ ​Pt​ ​1000​ ​sensors,​ ​connect​ ​P1​ ​+​ ​with​ ​P1​ ​and​ ​P2​ ​-​ ​with​ ​P2. The​ ​analog​ ​inputs​ ​are​ ​not​ ​galvanically​ ​separated​ ​from​ ​each​ ​other. Recording​ ​types The​ ​CorroWatch​ ​node​ ​supports​ ​recording​ ​types​ ​Monitor,​ ​Monitor​ ​Extended,​ ​LPR​ ​and​ ​Decay​ ​in​ ​Camur​ ​II software. HS​ ​export​ ​code:​ ​9031​ ​8090

Camur​ ​II​ ​CorroWatch,​ ​Rev​ ​1​ ​-​ ​May​ ​2015 Page​ ​2​ ​of​ ​5

Outputs​ ​from​ ​measurements​ ​in​ ​standard​ ​format​ ​reports​ ​a​ ​list​ ​of​ ​the​ ​measurements​ ​of​ ​each​ ​sensor​ ​on the​ ​format.​ ​[sensor​ ​name]-[value​ ​type],​ ​one​ ​column​ ​for​ ​each​ ​combination.​ ​Measurements​ ​that​ ​belong​ ​to the​ ​same​ ​sample​ ​interval​ ​are​ ​collected​ ​in​ ​one​ ​row. Measurement​ ​reports Monitor Value type

Unit

Measurement

I​ ​1

mA

Current​ ​between​ ​A1​ ​and​ ​CE

I​ ​2

mA

Current​ ​between​ ​A2​ ​and​ ​CE

I​ ​3

mA

Current​ ​between​ ​A3​ ​and​ ​CE

I​ ​4

mA

Current​ ​between​ ​A4​ ​and​ ​CE

I​ ​5*

mA

Current​ ​between​ ​A5​ ​and​ ​CE

I​ ​6*

mA

Current​ ​between​ ​A6​ ​and​ ​CE

R​ ​1

k​ ​Ω

Resistance​ ​between​ ​A1​ ​and​ ​A2

R​ ​2

k​ ​Ω

Resistance​ ​between​ ​A2​ ​and​ ​A3

R​ ​3

k​ ​Ω

Resistance​ ​between​ ​A3​ ​and​ ​A4

R​ ​4

k​ ​Ω

Resistance​ ​between​ ​A4​ ​and​ ​A5

R​ ​5*

k​ ​Ω

Resistance​ ​between​ ​A5​ ​and​ ​A6

R​ ​6*

k​ ​Ω

Resistance​ ​between​ ​A6​ ​and BAR

T

C

Temperature

U​ ​1

m​ ​V

Potential​ ​between​ ​A1​ ​and​ ​RE

aU​ ​2

m​ ​V

Potential​ ​between​ ​A2​ ​and​ ​RE

U​ ​3

m​ ​V

Potential​ ​between​ ​A3​ ​and​ ​RE

U​ ​4

m​ ​V

Potential​ ​between​ ​A4​ ​and​ ​RE

U​ ​5*

m​ ​V

Potential​ ​between​ ​A5​ ​and​ ​RE

U​ ​6*

m​ ​V

Potential​ ​between​ ​A6​ ​and​ ​RE

*only​ ​applicable​ ​for​ ​six-anode​ ​CorroWatch​ ​sensors

HS​ ​export​ ​code:​ ​9031​ ​8090

Camur​ ​II​ ​CorroWatch,​ ​Rev​ ​1​ ​-​ ​May​ ​2015 Page​ ​3​ ​of​ ​5

Monitor​ ​Extended The​ ​same​ ​as​ ​in​ ​Monitor,​ ​in​ ​access​ ​also​ ​LPR​ ​result​ ​calculation Value type

Unit

Measurement

C1​ ​I

m​ ​A

Calculated​ ​corrosion​ ​current​ ​at​ ​A1

C2​ ​I

m​ ​A

Calculated​ ​corrosion​ ​current​ ​at​ ​A2

C3​ ​I

m​ ​A

Calculated​ ​corrosion​ ​current​ ​at​ ​A3

C4​ ​I

m​ ​A

Calculated​ ​corrosion​ ​current​ ​at​ ​A4

C5​ ​I*

m​ ​A

Calculated​ ​corrosion​ ​current​ ​at​ ​A5

C6​ ​I*

m​ ​A

Calculated​ ​corrosion​ ​current​ ​at​ ​A6

*​ ​only​ ​applicable​ ​for​ ​six-anode​ ​CorroWatch​ ​sensors

LPR​ ​measurement Value type

Unit

​ ​Measurement

C1-V

mV

Potential​ ​between​ ​A1​ ​and​ ​RE

C1-I

mA

Current​ ​between​ ​A1​ ​and​ ​CE

C2-V

mV

Potential​ ​between​ ​A2​ ​and​ ​RE

C2-I

mA

Current​ ​between​ ​A2​ ​and​ ​CE

C3-V

mV

Potential​ ​between​ ​A3​ ​and​ ​RE

C3-I

mA

Current​ ​between​ ​A3​ ​and​ ​CE

C4-V

mV

Potential​ ​between​ ​A4​ ​and​ ​RE

C4-I

mA

Current​ ​between​ ​A4​ ​and​ ​CE

C5-V*

mV

Potential​ ​between​ ​A5​ ​and​ ​RE

C5-I*

mA

Current​ ​between​ ​A5​ ​and​ ​CE

C6-V*

mV

Potential​ ​between​ ​A6​ ​and​ ​RE

C6-I*

mA

Current​ ​between​ ​A6​ ​and​ ​CE

HS​ ​export​ ​code:​ ​9031​ ​8090

Camur​ ​II​ ​CorroWatch,​ ​Rev​ ​1​ ​-​ ​May​ ​2015 Page​ ​4​ ​of​ ​5

LPR​ ​results Value type

Unit

​ ​Measurement

C1I

mA

Calculated​ ​corrosion​ ​current​ ​at​ ​A1

C1S

mA

Standard​ ​deviation​ ​for​ ​corrosion​ ​current​ ​at​ ​A1

C2I

mA

Calculated​ ​corrosion​ ​current​ ​at​ ​A2

C2S

mA

Standard​ ​deviation​ ​for​ ​corrosion​ ​current​ ​at​ ​A2

C3I

mA

Calculated​ ​corrosion​ ​current​ ​at​ ​A3

C3S

mA

Standard​ ​deviation​ ​for​ ​corrosion​ ​current​ ​at​ ​A3

C4I

mA

Calculated​ ​corrosion​ ​current​ ​at​ ​A4

C4S

mA

Standard​ ​deviation​ ​for​ ​corrosion​ ​current​ ​at​ ​A4

C5I*

mA

Calculated​ ​corrosion​ ​current​ ​at​ ​A5

C5S*

mA

Standard​ ​deviation​ ​for​ ​corrosion​ ​current​ ​at​ ​A5

C6I*

mA

Calculated​ ​corrosion​ ​current​ ​at​ ​A6

C6S*

mA

Standard​ ​deviation​ ​for​ ​corrosion​ ​current​ ​at​ ​A6

*only​ ​applicable​ ​for​ ​six-anode​ ​CorroWatch​ ​sensors

HS​ ​export​ ​code:​ ​9031​ ​8090

Camur​ ​II​ ​CorroWatch,​ ​Rev​ ​1​ ​-​ ​May​ ​2015 Page​ ​5​ ​of​ ​5