• Clearly and logically designed keypads for easiest operation
  • Smooth surfaces for easy cleaning
  • 1 to 5 point pH calibration and a selection of 22 different buffer sets, pH 7310 Only
  • Large, clearly arranged displays for best information
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Product Description
The new inoLab® 7110 and 7310 wastewater pH meters represent the state-of-the-art when measuring pH.  For WTW it always was important not only to present new wastewater pH meter measuring technique but also to maintain the ease of use and perfect handling.  So they created a symbiosis between design and functionality with the new inoLab® wastewater pH meter.  The wastewater pH meter's newly designed and optimized keypads with tactile feedback as well as large clearly arranged displays support a fantastic easy to use user interface.  But the best is yet to come, the wastewater pH meters feature a plug-and-measure ability with its intelligent digital sensors (IDS).  Finally, for validation purposes IQOQ documents are available for all new wastewater pH meters. inoLab® 7110 wastewater pH meters
The inoLab® 7110 series wastewater pH meters are perfectly suited for routine measurements in general laboratory applications.  While focused on the wastewater market these pH meters offer advanced features in a simple to use package for environmental, medical, chemical, pharmaceutical or food & beverage industries.  The intuitive use interface and easy to clean housing and keypad make these wastewater pH meters ideal for all environments.  The AutoRead function means the wastewater pH meters will provide repeatable results.  The wastewater pH meter recognizes when a stable pH measurement value has been reached.  Increased wastewater pH meter accuracy is ensured with the adjustable calibration timer reminding the customer to calibrate periodically.  The wastewater pH meter's keypad design offers intuitive operation and the large and clearly arranged display provides all necessary information at a glance.  All wastewater pH meters are available in application sets including sensors electrode stand and AC supply. inoLab® 7310 wastewater pH meters
The 7310 series wastewater pH meters offer measurement of pH for all applications in laboratories where documentation supporting AQA and GLP is required.  These wastewater pH meters offer all the features of the 7110 series plus essential additional functions.  The wastewater pH meter's graphical backlit display offers convenient and secure operation.  All needed information is shown at a glance on the wastewater pH meter's bright, clear display.  With its USB interface the inoLab® 7310 wastewater pH meter allows an easy connection to PC for convenient data transfer of current or stored data and the ability to update its firmware.  An integrated datalogger with adjustable intervals provides the wastewater pH meters with automatic recording of all measurement data.  Date, time, and ID number which support Good Laboratory Practice are included in the data the wastewater pH meters record.  Additionally the user can enter the serial number of the sensor into the wastewater pH meter for complete documentation.  All data can be transferred from the wastewater pH meter in an easy to process CSV format; an Excel Add-In supplied by WTW allows import of formatted measurement and calibration records into Excel.  The inoLab® 7310P wastewater pH meter option offers an integrated printer which allows direct print out of pH measurement and calibration results.  The new CMC function monitors the wastewater pH meter electrode's calibration range and indicates if measurement range is between calibration points.  This results in an optimization of the data and shows any deviations ensuring the most accurate wastewater pH meter pH measurement.  The wastewater pH meters enable up to a five point pH calibration with the selection of 22 different buffer sets.  All inoLab® 7310 wastewater pH meters are available in application sets including sensors electrode stand and AC supply.
Specifications pH 7110 pH 7310
pH: -2.0 to 20.0, -2.00 to 20.00, -2.000 to 20.000 -2.0 to 20.0, -2.00 to 20.00, -2.000 to 19.999
mV: ±1200.0 mV, ±2000 mV ±1200.0 mV, ±2500 mV
Temp: 23 to 221 °F (-5.0 to 105.0 °C) 23 to 221 °F (-5.0 to 105.0 °C)
Accuracy (± 1 digit)
pH: +0.1, +0.01, +0.005 (test sample temp 59 to 95 °F (15 to 35 °C)) +0.1, +0.01, +0.005 (test sample temp 59 to 95 °F (15 to 35 °C))
mV: +0.3, +1 (test sample temp 59 to 95 °F (15 to 35 °C)) +0.3, +1 (test sample temp 59 to 95 °F (15 to 35 °C))
Temp: +0.2 °F (+0.1 °C) +0.2 °F (+0.1 °C)
Resolution All values +1 digit
Manual temperature input range -13 to 266 °F (-25 to 130 °C)
Manual temperature input increment 1 °
Calibration 1, 2, or 3 point 1, 2, 3, 4, or 5 point calibration
Calibration Memory Current record Up to 10 records
Calibration Timer Yes
Display 7-Segment LCD LCD backlit graphic
Memory N/A 500 manual datasets/5000 automatic
Logger N/A manual/time controlled
Interface N/A Mini USB
Printer (optional) N/A Thermal printer, width 2.28 inches (58 mm)
Power Four 1.5V AA batteries or four 1.2 V NiMH
Battery Life Up to 2500 hours Up to 1000 hours w/o backlight, 150 hours w/ backlight
Sensor plug/Temp sensor input DIN or BNC/4mm Banana
Storage Temp -13 to 149 °F (-25 to 65 °C)
Operating Temp 41 to 131 °F (5 to 55 °C)
Relative Humidity Yearly mean:

pH7110B.pdf (365 views)


pH7110.pdf (353 views)


pH7310.pdf (371 views)

Additional information