ORP Meters
Measure a solution’s oxidation reduction potential (ORP) to determine its ability to break down contaminants. These meters are commonly used to monitor water quality in pools, spas, and other clean liquids. Use a Calibration Solution (not included) and the calibration adjustment screw to maintain accuracy. Meters cannot be sold to Canada due to import regulations.
Oxidation Reduction Potential (ORP) | ||||||
|---|---|---|---|---|---|---|
| Sensor Material | Range | Accuracy | Batteries Included | Cannot Be Sold To | Each | |
For Use With Dirty Liquids | ||||||
| Nonglass | -999 to 999 mV | ±2 mV | Yes | Canada | 0000000 | 0000000 |
Water-Resistant ORP Meters
Since this oxidation reduction potential (ORP) meter has a housing that meets IP67 for complete resistance to dust and protection from temporary submersion, it’s often used to determine a solution’s ability to break down contaminants in harsh field conditions. For use with dirty liquids containing heavy metals, sulfides, and harsh chemicals, this meter is often used for wastewater treatment. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy. Meters cannot be sold to Canada due to import regulations.
Meters | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Oxidation Reduction Potential (ORP) | Replacement Sensors | ||||||||||
| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Environmental Rating | Specifications Met | Batteries Included | Cannot Be Sold To | Each | Each | ||
For Use With Dirty Liquids | |||||||||||
| Glass | -1,000 to 1,000 mV | ±2 mV | 32° to 140° | IP67 | CE Marked | Yes | Canada | 00000000 | 0000000 | 00000000 | 0000000 |
Remote-Reading pH Meters with PC Output
Transmit pH readings to a PC for analysis. These meters have a sensor on a 6-ft. cable for taking remote readings of water and other clean liquids. They have automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate readings in fluctuating temperatures. Use the included calibration solution and calibration button to maintain accuracy.
Import regulations restrict sales to the listed areas.
Remote-Reading Multifunction Chemistry Meters
Take multiple water-chemistry and temperature measurements in hard-to-reach places from up to 3 feet away. Often used in tap water and wastewater, these meters work in both clean and dirty liquids. Automatic temperature compensation standardizes readings to 77° F to prevent inaccurate results in changing temperatures. The data hold function freezes the current reading on the display. For easy viewing, temperature and chemistry measurements appear on the same screen. These meters are IP57 rated, so they resist dust and withstand temporary submersion. They cannot be sold to Canada due to import regulations.
To maintain their accuracy, all have a calibration button and some also come with calibration solutions.
Conductivity, salinity, temperature, and total dissolved solids (TDS) meters take four measurements at once. Conductivity measures the concentration of salts, nutrients, chemicals, and other substances. Salinity measures the amount of dissolved salts. TDS determines the contaminant levels. The stainless steel sensor is durable and resists breaking.
Oxidation reduction potential (ORP), pH, and temperature meters take three measurements. ORP measures the amount of dissolved oxygen in liquids. It determines how efficiently a liquid breaks down contaminants.
Conductivity | Salinity | Total Dissolved Solids (TDS) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | Accuracy | Range | Accuracy | Temp. Accuracy | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Batteries Included | Cannot Be Sold To | Each | |
For Use With Clean and Dirty Liquids | |||||||||||
| 0 to 19.99 µS 20 to 199.9 µS 200 to 1,999 µS 2 to 19.99 mS 20 to 199.9 mS | ±1% ±1% ±1% ±1% ±1% | 0 to 100 ppt | ±1% | ±0.9° F | 0 to 0.1 ppm | ±1% | 32° F to 212° | Yes | Canada | 0000000 | 0000000 |
Oxidation Reduction Potential (ORP) | pH | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | Accuracy | Range | Accuracy | Temp. Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Environmental Rating | Specifications Met | Batteries Included | Cannot Be Sold To | Each | |
For Use With Clean and Dirty Liquids | |||||||||||
| -1,000 to 1,000 mV | ±0.2% | 0.0 to 14.0 pH | ±0.01 pH | ±0.9° F | 32° F to 212° | IP57 | CE Marked | Yes | Canada | 0000000 | 0000000 |
Water-Resistant Multifunction Chemistry Meters
Clean
Liquids
Test different water-chemistry measurements in dirty, wet conditions. Often used in pools and spas, all of these meters are for use with clean liquids. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a calibration solution (not included) and the calibration button to maintain accuracy.
IP57 meters are protected from dust and temporary submersion in liquids.
Chlorine, oxidation reduction potential (ORP), and pH meters come with three sensors that each take one chemistry measurement. They cannot be sold to Canada due to import regulations.
Import regulations restrict sales to the listed areas.
| Sensor Material | Automatic Temperature Compensation (ATC) Range, °F | Environmental Rating | Specifications Met | Batteries Included | Cannot Be Sold To | Each | |
For Use With Clean Liquids | |||||||
|---|---|---|---|---|---|---|---|
| Glass | 23° F to 194° | IP57 | CE Marked | Yes | Canada | 0000000 | 0000000 |
Easy-Read Bench-Top Multifunction Chemistry Meters
Don’t strain your eyes reading a scale—these bench-top meters indicate exact results on the digital display. For complete resistance to dust and protection from temporary submersion, these meters float and have a housing that meets NEMA 6 and IP67. They're for use with water and other clean liquids. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution
Import regulations restrict sales to the listed areas.
Meters | Replacement Sensors | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Testing | Sensor Material | Automatic Temperature Compensation (ATC) Range, °F | Environmental Rating | Specifications Met | Batteries Included | Cannot Be Sold To | Each | Each | ||
For Use With Clean Liquids | ||||||||||
| Conductivity, Oxidation Reduction Potential (ORP), pH, Resistivity, Total Dissolved Solids (TDS) | Glass | 32° F to 160° | IP67, NEMA 6 | CE Marked | Yes | Canada | 000000 | 000000000 | 000000 | 0000000 |
Remote-Reading Multifunction Chemistry Meters with PC Output
Test temperature, chemical concentration, contamination, and salt levels in liquid from up to 6 ft. away, then send the results to your computer for analysis. These meters include a USB cable that transfers up to 1,000 readings. Often used to test water quality, they work on both clean and dirty liquids—from tap water to wastewater. Conductivity tests measure the concentration of salts, nutrients, chemicals, and other substances. Total dissolved solids (TDS) tests report contaminant levels. Salinity tests determine the salt levels in liquid. The sensor is made of stainless steel, so it’s durable and resists breaking. IP67 rated, these meters are dust tight and withstand temporary submersion.
To prevent inaccurate results from changing temperatures, these meters automatically standardize temperature readings at 77° F. Temperature readings appear on screen with other measurements, so you won’t have to scroll through multiple screens. A data hold function freezes the current reading on the display.
To maintain accuracy of the meters, they come with calibration solutions and have a calibration button.
These meters cannot be sold to Canada due to import regulations.
Conductivity | Resistivity | Salinity | Total Dissolved Solids (TDS) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | Accuracy | Range | Accuracy | Range | Accuracy | Temp. Accuracy | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Batteries Included | Cannot Be Sold To | Each | |
For Use With Clean and Dirty Liquids | |||||||||||||
| 0 to 200 mS | ±1.5% | 0 to 20 megohms | ±1.5% | 0 to 100 ppt | ±1.5% | ±0.9° F | 0 to 100 ppt | ±0.1% | 32° to 212° | Yes | Canada | 00000000 | 0000000 |
| For Testing | Each | |
| Conductivity, Resistivity, Salinity, Temperature, Total Dissolved Solids (TDS) | 00000000 | 0000000 |
Multifunction Chemistry Controllers
The same controller can actuate equipment based on pH or oxidation reduction potential (ORP). Attach pH and ORP sensors (not included) and set the current measurement type with the selection switch. Controllers turn equipment on or off when the reading reaches the actuation point. They have one control relay and two alarm relays. Relays are SPDT (single pole, double throw) and can be set to turn one circuit from “off” to “on” (normally open) or from “on” to “off” (normally closed). Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures.
Controller with LED display is more visible in low-light conditions than controller with LCD display.
pH | Oxidation Reduction Potential (ORP) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DIN Trade Size | Range | Accuracy | Range | Accuracy | AC Voltage (Phase) | Mount Type | Ht. | Wd. | Dp. | Fasteners Included | Each | |
LCD Display | ||||||||||||
| 1/4 | 0.0 to 14.0 pH | ±0.01 pH | -1,999 to 1,999mV | ±0.1% | 120 (Single) | Panel | 3 3/4" | 3 3/4" | 4 3/4" | No | 00000000 | 0000000 |
LED Display | ||||||||||||
| 1/4 | 0.0 to 14.0 pH | ±0.01 pH | -1,999 to 1,999mV | ±0.1% | 120 (Single) | Panel | 3 3/4" | 3 3/4" | 4 3/4" | No | 00000000 | 000000 |