fpH meter and electrode measurement systems
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Shelfscientific is a division of Lazar Research Laboratories, Inc.
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Complete pH Measurement Systems
Measure, Log & Graph all in one system


Large selection of pH and micro pH systems available - skip ahead to pH system listings

What are ArrowLabb(TM) Systems?

ArrowLabb(TM) Systems are complete all-in-one measurement systems. Instead of spending time purchasing equipment separately, ArrowLabb(TM) Systems combines your entire measurement solution into a single box. The most unique feature about ArrowLabb(TM) Systems is that you these complete systems not only measure, but they also graph and tabulate data directly on your PC in an easy to use format using a unique software program.

After the success of our ArrowDox(TM) Micro Redox Measurement System and ArrowStraight(TM) Nitric Oxide measurement system, we have developed a large selection of all-in-one measurement systems which measure, tabulate and graph in one complete out-of-the-box solution. We now have systems for pH, redox, ions, nitric oxide and flow thru electrodes.

Below is a list of pH systems we have created. Each system is geared towards a different type of research of sample type.

Each system performs the following tasks:

  1. Measures - Measures pH using our sophisticated digital pH meter and application-specific pH electrode(s)
  2. Logs - Our exclusive software records details about your measurements straight to your PC for easy analysis.
  3. Graphs - Our exclusive software charts your data onto a graph so you can easily view and compare data.

Advantages of purchasing our ArrowLabb(TM) complete systems:

  • Cost efficiant - save money over purchasing meter & electrode separtely
  • Compatibility - no compatibility problems between components
  • Quick one-stop ordering - Save time researching products & purchasing products individually
  • Exlusive! Logs & graphs straight on your computer for easy data saving and analyzing

Each ArrowLabb(TM) System includes:

  • Advanced digital pH meter
  • Application specific pH electrode(s) (see listings below)
  • New!Exclusive logging & graphing software
  • Buffer solution tablets (simply add water)
  • Connecting Cables

Expand your lab: Compatible electrodes - 20% off

We have a large selection of pH electrodes which are compatible with all of our all-in-one measurement systems. This means that as the need arises you may order additional electrodes to add on to your system. Order now and we will give you 20% off any of our compatible pH electrodes that you purchase from us in the future. (Offer valid while supplies last.).

Choose between pH measurement systems below:

See other systems to measure redox, ions and more

To receive further information on any of our pH systems, fill in the form on the bottom of this page.

Micro pH measurement system
System includes Ultra-M micro pH electrode for measurement of your smallest samples.
Item number: PHR-146XS
Regular price: $1349.00

Micro pH measurement system for NMR tubes
System includes Ultra-M micro pH electrode with extra long cable for NMR tubes for measurement of samples inside your longest NMR tubes.
Item number: PHR-146NRMXS
Regular price: $1419.00

Micro flow through pH measurement system
System includes micro flow through pH electrode for flow through measurement of pH in small samples.
Item number: FTPH-2SXS
Regular price: $1450.00


Protein-Guard(TM) pH measurement system
System includes ProteinGuard(TM) pH electrode for measurements of pH inside samples which contain proteins.
Guarenteed against damage from exposure to protein for 6 months. details
Item number: 1022DJ-XS
Regular price: $960.00

Protein-Guard Flat Surface pH measurement system
System includes ProteinGuard pH electrode for flat surfaces for measurement of pH on surfaces which contain proteins.
Guarenteed against damage from exposure to protein for 6 months. details
Item number: 1022DJF-XS
Regular price: $990.00

Multi-purpose pH measurement system
System includes 2 rugged polymer body pH electrode for pH measurements in various sample types. These electrodes are sturdy and versitile for lab, field & educational purposes.
Item number: 1015AL-XS
Regular price: $840.00

Create your own pH measurement system
Create the all-in-one pH measurement, logging and graphing system that is specific to your lab's needs.

System includes 1 rugged polymer body pH electrode plus 1 pH electrode of your choice from list below.

Item number: PHEL-XS
Regular price: $970.00

Choose 1 electrode from the following list:
item number Electrode Type Applications
1015AL - Standard multi-purpose pH electrode General - all types of applications
1335DL - Double junction pH (sealed)Fat, cream, cosmetics, milk, paint, nonaqueous
1336RDL - Double junction pH (refillable)Fat, cream, cosmetics, milk, paint, nonaqueous
1002RAL - High pH For alkaline samples- measures up to pH 14
1215RAL - Spear tip pH Spear into foods, cheese etc.
1006RAL - Sleeve junction High solids content, suspensions
1024RR - Ultra temperature stable (glass body) Our most accurate probe at varying temperature
1025RR - Ultra temperature stable (polymer body)Our most accurate probe at varying temperature
1001HPL - pH electrode for high pressure High pressure samples
1112AL - General purpose flat surface pHsurfaces, gels, paper
1015CL - Calomel plastic body pH Tris buffers
1315RAL - Rugged pH bulb pH Soils and other abrasive samples
1007RAL - Test tube pH Extra long for test tubes, narrow flasks etc.
1015ALTM - pH/temperature combined electrode Auto temperature control in tight spaces or limited volumes
1015DALTM - pH/temperature combined electrode (double junction) Auto temperature control in tight spaces or limited volumes
2910DAPM - pH electrode with internal preamplifier Noisy or humid environments or excessive cable lengths
1015DAL - General purpose pH electrode (double junction)Rugged polymer pH probe for dirty samples



Combined pH - Redox Measurement System
Enjoy the convinience of measuring pH and redox in one system. System includes polymer body pH electrode plus pH logging and plotting software AND polymer body redox electrode plus redox plotting software. (One meter is included which works together with both redox and pH electrodes.)
Item number: PHORP-XS
Regular price: $1450.00

Other pH or redox electrodes may be substituted for the standard electrodes included. Contact us using form below for details and pricing.



Receive further product & special sale details
Your name:
Your email address:
System(s) of interest:
Specific questions:

Let us create your dream system
Looking for a specific system that is just right for you? We will be happy to assemble a system specific to your application. Simply fill out the form above including information on type of application you have and type of system you are looking for.

Details contact form
Request official quotation or pro forma
When contacting us be sure to specify type of system and sale option you are interested in.


Prices and specifications subject to change without notice.


All offers subject to change without notice
© 2012