pH Portable Meter, Boiler and Cooling Tower

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Description

Boiler and Cooling Tower pH Portable Meter

The HI-99141 is a waterproof, portable pH and temperature meter specifically designed for boilers and cooling towers.

The HI-729113 pre-amplified double junction pH probe features a flat tip sensor that is easy to clean and prevents solids in solutions from collecting on the sensor. The titanium body of the HI-729113 functions as a potential matching pin for increased stability of readings and extended sensor life.

Automatic Temperature Compensation
Automatic Two-Point Calibration
Waterproof

The HI-99141 meter features a large multi level LCD screen which displays both pH and temperature readings simultaneously with 0.01 pH resolution and an accuracy of ±0.02 pH. The LCD screen also has indicators for calibration status and stability, as well as on-screen tutorial messages. The HI99141 has many advanced features that are found in more expensive portable instrumentation including automatic calibration, buffer recognition,and temperature compensation. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available.

The HI-99141 is supplied with the amplified titanium body pH/temperature electrode. The titanium body is resistant to many aggressive chemicals and extremely durable.The titanium body acts as a matching pin for the flat tip pH electrode. A matching pin is a differential measurement technique used to eliminate electrical noise in a pH measurement system. The matching pin coupled with a pre-amplifier provides for an increased response time in pH measurement and extends the electrode life.

The HI729113 also features a large annular polytetrafluoroethylene (PTFE) junction. This large junction is resistant to chemicals but has a large surface area allowing for maximum diffusion of ions from the inside of the reference electrode into the sample resulting in a fast, stable reading. The flat tip pH electrode with a PTFE junction in a titanium body make the HI729113 ideal for the water treatment industry.

pH meter for boilers and cooling towers

Maintenance free gel filled electrode

Unbreakable titanium body

Titanium construction provides an unbreakable structure and allows the transfer of heat to the internal temperature sensor for rapid temperature compensation.

Maintenance free gel filled electrode

Maintenance free, gel-filled electrode

No fill solution required.

Features

Automatic Temperature Compensation
One or two-point automatic calibration
BEPS - Alerts the user of low battery power that could adversely affect readings
Compact, heavy-duty, and waterproof
Battery % displayed on start-up
HELP feature, displays messages on LCD

Specifications

pH Range	-2.00 to 16.00 pH; -2.0 to 16.0 pH
pH Resolution	0.01 pH; 0.1 pH
pH Accuracy	±0.02 pH; ±0.1 pH
pH Calibration	automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
pH Temperature Compensation	automatic ‐5.0 to 105.0 °C/23.0 to 221.0 °F
pH CAL Check (electrode diagnostics)	probe condition indicator
mV Range	±825 mV (pH‐mV)
mV Resolution	1 mV (pH‐mV)
mV Accuracy	±1 mV (pH‐mV)
Temperature Range	-5.0 to 105.0°C / 23.0 to 221.0°F
Temperature Resolution	0.1°C / 0.1°F
Temperature Accuracy	±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)
pH Electrode	HI729113 titanium body, pre-amplified pH electrode with internal temperature sensor, quick connect DIN connector and 1 m (3.3’ cable) (included)
Automatic Shut-Off	user selectable
Battery Type/Life	1.5V (3) AAA / approximately 1400 hours of continuous use
IP Protection	IP67
Environment	0 to 50°C (32 to 122°F); RH max 100%
Dimensions	154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)
Weight	196 g (6.91 oz.)