Skip to content

Home
My Account
Cart
Contact Us / Register
FAQ

Enter a Product # or Term to Search

Search for: When autocomplete results are available use up and down arrows to review and enter to go to the desired page. Touch device users, explore by touch or with swipe gestures.

PRODUCTS »

Clearance Items
Apparel
- Aprons
- Gowns
Bags
- Biohazard Bags
- Whirl-Pak Bags
- Reclosable Bags
Beakers
- Disposable Beakers
- Glass Beakers
Bottles
- Glass-Clear
- Glass-Amber
  - Boston Rounds – Amber
  - Wide Mouth Packers – Amber
- Plastic
- Media
  - PET Storage Bottles
  - Glass Storage Bottles
- Coliform
  - Screw Top – Coliform
- Wash Bottles
- Separate Closures
Cell Culture
- Plates
  - Treated Plates
  - Non-Treated Plates
- Dishes
  - Dishes
- Flasks
Chemicals
- High Purity Solvents
  - HPLC LCMS
- Solutions
- Buffers
  - pH Buffers
- General Solutions
  - Compendial Reagent
    - ACS
    - AOAC
    - APHA Standard Methods
    - ASTM
    - EP
    - EPA
    - TAPPI
    - USP
  - Electrode Cleaning Solutions
  - Electrode Solutions
  - IC Eluants
  - Solvents
- General Use
- In-Vitro Diagnostic Reagents
  - Clinical
  - Fixatives
  - Cytology
  - Hematology
  - Histology
  - Microbiology
- Karl Fischer
  - Volumetric
  - Coulometric
- Stains, Indicators
  - Stains – Indicators
- Standards
  - AA ICP
  - Standards
- Water
  - Water
Cleaners
- Liquid Cleaners
  - Citranox
  - Detergent 8
  - Detojet
  - Detonox
  - Luminox
  - Liquinox
  - Solujet
- Powdered Cleaners
  - Alconox
  - Alcotabs
  - Alcojet
  - Tergajet
Compounding Products
Cups & Cuvettes
- Autosampler Cups
- Cuvettes
Dishes
- Aluminum
- Plastic
  - Weigh Boats
  - Petri Dishes
ELISA
Equipment
- Autoclaves
  - Benchmark
- Balances
- Centrifuges
- Hot Plates, Stirrers
- Incubators
  - Benchmark
- pH Meters
- Conductivity Meters
  - Portable Meters
  - Bench Meters
- Vortex Mixers
- Oven
  - Benchmark
- Pen Meters
- Dry Block Heaters
  - Ohaus Dry Block Heaters
- Waterbaths
  - Benchmark
- Timers
Filters
- 13mm Syringe Filters
- 25mm Syringe Filters
Flasks
- Glass Flasks
Funnels
Gloves
- Latex Gloves
- Nitrile Gloves
- Nitrile with Aloe
- Nitrile Specialty Gloves
- Vinyl
- Synthetic Gloves
High Throughput
- 96 Deep Well Plates and Mats
- Kingfisher Compatible Consumables
Kimwipes Low Lint Wipers & Towelettes
Mailers
Microbiology
Molecular
- Plates
  - Assay Plates
  - Deep Well Plates
Parafilm
PCR
- Plates
  - 96 Well Plates
  - 384 Well Plates
- Sealing Film
- Tubes and Strips
Pipet Tips
- Labtek Brand
  - Standard Pipet Tips
  - Filtered Pipet Tips
- Pipettor Specific Pipet Tips
- Globe
  - Globe Standard Tips
  - Globe Filtered Tips
- Nest
  - Nest Standard Tips
  - Nest Filtered Tips
Pipet Tips Robotic
- Hamilton Compatible
- Labtek Brand
Pipets
- Pasteur Pipettes
- Serological
  - Serological Pipets
  - Serological Dairy Pipets
- Transfer Pipets
Pipettors
- Pipet Aids Manual
  - Force Pipet Aids
  - Levo Pro Pipet Aids
- Pipet Aids Electronic
- Repeating Manual
  - StepMate Pipettors
  - RV-Pette Pipettors
- Single Channel Manual
- Single Channel Electronic
  - iPette Plus Pipettors
- Multi Channel Manual
  - MicroPette™ Multi Channel Pipettors – Discontinued, SEE MICROPETTE PLUS MULTI CHANNEL
  - MicroPette™ Plus Multi Channel Pipettors
- Multi Channel Electronic
  - iPette Plus 8 Channel
Racks
- Tube Racks
Sample Collection
- Kits
- Media
- Swabs
Sample Containers
Control Seals
- Close-it Control Seals
- Security and Tamper Proof Seals
Sampling Dispensing
- Spatula
  - Disposable Spatulas
- Dippers
- Lid Openers
- Drum Locks
- Plastic Drum Thief
- Spigots
- Sampets
- Scoops Disposable
  - Standard Scoops
- Scoops Reusable
- Spoons Disposable
  - Standard Spoons
  - Economy Spoons
- Syringe
- Spoons Reusable
- Tape
  - Labeling Tapes
  - Thread Tapes
- Bottle-Top Dispensers
Tubes
- Culture Tubes
- Centrifuge Tubes
- Digestion Tubes
- Microcentrifuge Tubes
- Test Tubes – Plastic
  - 12 13 mm Plastic Test Tubes
  - 16 17 mm Plastic Test Tubes
- Test Tubes – Glass
  - 10-12-13-16mm Glass Test Tubes
- Transport Tubes
- Caps
Vials
- Chromatography Polypropylene
  - 9mm Cap Vials
  - 11mm Cap Vials
- Chromatography Glass
- Head Space
  - Screw Top Head Space Vials
  - Crimp Top Head Space Vials
- Cryogenic Vials
- Storage/Sampling Glass
- Storage/Sampling Plastic
  - Hinged Vials
  - Screw Top Plastic Vials

Home / Equipment / Portable pH Meters

Portable pH Meters

Showing the single result

Portable pH Meters
ST300 pH Meter, 3-in-1 Plastic Gel pH Electrode, pH Buffer Powder Sachet
$603.00 (1/ea) Add to cart

Labtek Inc.
3890 East Paris Ave. SE
Suite 28
Grand Rapids, MI 49512

Ph. 616-333-2369

Superior Service
Quality Products
Excellent Value

Copyright © 2026 Labtek Inc

Welcome to LabtekInc.com!

For Our Existing Customers:

Click here to log in or use the My Account link in the top menu »

1) Please use your existing login (lowercase only, no spaces)
2) Please use your existing password as-is (upper/lowercase).
Problems? Please call or email us.

Would you like to set up an account with us?
Please contact us and we’ll get you set up quickly!

Scroll to Top