LogR Corrosion Monitor

Readings taken every 2.5 minutes

The ProMinent LogR is a single channel corrosion rate monitor using Linear Polarization Resistance (LPR) to measure the corrosion rate of metals in cooling water treatment applications. Weight loss coupon results can take weeks or months. With the LogR, a reading is taken every 2.5 minutes giving accurate corrosion rates instantly. Select from carbon steel, copper, or admiralty sensors.

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Product description

Corrosion monitoring system

Features and Benefits

Package Includes:

Monitor, sensor, 24 V DC/120 V AC power supply
Universal power adapter
3/4” sensor entry “T” fitting
4-20mA output
Backplate mounting hardware
USB flash drive with startup and O&M manuals

Field of application

The following list is a general representation of basically suitable applications for this product. Please contact your personal representative to discuss the use of the product in your individual application.

Corrosion rate monitoring for cooling water systems and swimming pool equipment

Technical Details

Carbon Steel sensor package (P/N 7760788)
Copper sensor package (P/N 7760789)
Admiralty sensor package (P/N 7760790)
90:10 Cupro - Nickel sensor package (P/N 7761467)
Zinc sensor package (P/N 7761468)

LogR Specifications

Corrosion Rate Measure & Display	0.01 to 50.0 mpy for steel
	Updates every 150 seconds
4-20 mA Output	Three wire: Power, Ground & 4-20 mA out Resolution nominally 1 part in 4000
Data Logging	1 Year at 5 minute intervals
Alarm Contacts	Normally closed
	Rated 24 V DC, 250 mA
	Thermally fused 300 mA
Display & Data Link	2x8 LCD Display
	USB Host emulation
UP-DOWN & Mode Switches	UP & DOWN push buttons
	8 selectable display modes, 0 to 7
Conductivity	50 to 9999 μS
Power	9-24 V DC, 100 mA max.
	Polarity Protected
LogR Enclosure	Non-metallic, IP65
	4 3/8" x 4 3/8" x 1 3/4"
	110 mm x 110 mm x 45 mm
Wiring Terminal Blocks	Rated AWG 16-26
	3.5 mm spacing

Sensor Specifications

LPR Sensor (Linear Polarization Resistance)	Non-metallic sensor rated at 125ºF (50ºC) max, 125 psi max. Immersed components: ABT, Nylon & Epoxy	Digital, DC isolated 3 wire sensor, Power, Common & Data. Sensor supplies with 3/4" SCH 80 threaded PVC 'T' fitting with 3/4" non-metallic sensor entry fitting and 3m, 10ft of 3xAWG 22 PVC jacketed cable.
LPR_CS	1010 Carbon Steel	1 1/4" L x 3/16"D electrode set supplied installed. Sensor accepts standardized LPR electrodes threaded #4-40 UNC
LPR_CU	CDA 110 Copper	1 1/4" L x 3/16"D electrode set supplied installed. Sensor accepts standardized LPR electrodes threaded #4-40 UNC
LPR_AM	CDA 443 Admiralty	1 1/4" L x 3/16"D electrode set supplied installed. Sensor accepts standardized LPR electrodes threaded #4-40 UNC
LPR_CN	90:10Cupro-Nickle
LPR_ZN	Zinc Galvanizing

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Overview

Corrosion monitoring system

Features and Benefits

Package Includes:

Monitor, sensor, 24 V DC/120 V AC power supply
Universal power adapter
3/4” sensor entry “T” fitting
4-20mA output
Backplate mounting hardware
USB flash drive with startup and O&M manuals

Application

Technical Data

Downloads

Find local ProMinent representative

Contact us

ProMinent Fluid Controls, Inc.

sales-us@prominent.com

+1 412-787-2484
sales-us@prominent.com Send request

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+1 412-787-2484