Search for:

Digital Panel pH Transmitter/Indicator

• Two 4-20 mA isolated current output modes - normal and expanded
• Large 0.56" LED display
• Rugged aluminum 1/8 DIN housing

The Model 691N is easy to install; this two-wire pH transmitter is housed in an all aluminum 1/8 DIN case for quick and durable mounting. It features two output modes: Normal Mode provides an isolated 4-20 mA output over the full 0.00 to 14.00 pH range and Expanded Mode gives an isolated 4-20 mA output over any two pH units. The large 3 1/2 digit, 0.56" high LED is easy to read even in dimly lit areas. Calibration and manual temperature compensation controls are conveniently located on the front of the meter face; pH electrode and output connections are located on the back of the instrument. Price includes transmitter and manual.

Specifications

Range: 0.00 to 14.00
pH Resolution: 0.01
pH Accuracy: 0.02 pH ±1 digit
Transmitter Output: "NOR" Mode: 4-20 mA over 0-14 pH; "EXP" Mode: 4-20 mA over any two pH units
Output Current Accuracy: 0.3%
Transmitter Load: 550 Ohms max
Isolation Voltage: 500 VDC min
Temp Compensation: Manual from 0-100° C
Display: 3 1/2 digit 0.56" LED
Power: 115/230 VAC ±15%, 50/60 Hz
Size: 3.75" x 1.9" x 6.75"
Weight: 1.4 lbs

Note: For information on appropriate pH electrodes, please click on "Electrodes" under "pH Measurement" in Product Listing. Calibration solution and other accessories are also available; contact Kernco for additional information.

IMPORTANT NOTICE - If you need a product and it has not yet
been set up for on-line purchase, please place your order by
credit card toll-free to 1-800-325-3875.  We will honor the prices
shown on the website.

Any problems or questions call 1-800-325-3875 or Email or fax to 915-852-4084.

 

Prices shown apply to sales to companies within the United States.

For sales outside the US contact Kernco Instruments for appropriate prices for your country.

  Hosting provided by 3N1 Creative  © Kernco Instruments Inc.