+1-800-504-5813 Live Chat Contact Us Check Order Status
About Us Policies
Free Shipping & Free Returns*

EXPEDITED SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Business
  • Eyewear
  • Fun Gifts & Other
  • Gun Accessories
  • Hobbies
  • Hunting
  • Lab & Science
  • Law Enforcement
  • Military Gear
  • Outdoor Gear
  • Photo Gear
  • Sports
TIP
Shopping Cart

Extech Instruments Replacement Membrane DO603

Extech Instruments Replacement Membrane, DO603
Extech Instruments Replacement Membrane DO603
Extech Instruments Replacement Membrane, DO603
1 of 2 images
Extech Instruments Replacement Membrane, DO603
Extech Instruments Replacement Membrane DO603
2 of 2 images
Extech Instruments Replacement Membrane DO603

Tap Tap to Zoom

Product No Longer Available

Unfortunately Extech Instruments Replacement Membrane DO603 is not listed by OpticsForYou.You can also explore other items in the pH Meters yourself to try and find the perfect replacement for you!

Product Info for Extech Instruments Replacement Membrane DO603

The Extech Instruments Replacement Membrane DO603 is here at Opticsforyou.com and as usual we offer competitive prices !image

Purchase your new Extech Instruments Replacement Membrane DO603 from Opticsforyou.com today and you will appreciate the easy checkout process, fantastic customer service, Free Shipping policy and information on easily tracking your order.

Extech Instruments Replacement Membrane DO603 is one of the many quality laboratory and scientific products we have to offer at very competitive pricing. Extech Instruments Replacement Membrane DO603 / 89030-402 is part of a wide selection of Extech Instruments pH meters. Combining excellent quality with an affordable price, the Extech Instruments Replacement Membrane DO603 / 89030-402 can meet your scientific research needs while still offering a good value for a budget conscious end user. If you have any questions about any of our pH meters please do not hesitate to contact our customer service for further guidance.

Replacement Membrane. Replacement membrane for DO600 dissolved oxygen meter. Membrane kit contains 6 screw on membrane caps, 15mL filling solution and polishing paper.

Features of Extech Instruments Replacement Membrane DO603

  • Replacement screw-on membrane kit for DO sensor Includes 6 screw on membrane caps, 15mL filling solution and polishing paper Compatible with dissolved oxygen sensor (DO605) of DO600 meter

Package Contents:

  • Extech Instruments Replacement Membrane DO603
  • Membrane Kit

Related Products to Extech Instruments Replacement Membrane DO603

Image of VWR Conductivity Calibration Standards 4067 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4067 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $109.09 $97.99 Save 10%
Image of VWR Conductivity Calibration Standards 4068 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4068 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $78.11 $63.99 Save 18%
Image of VWR Conductivity Calibration Standards 4069 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4069 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $107.03 $95.99 Save 10%
Image of VWR Conductivity Calibration Standards 4161 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4161 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $87.75 $69.99 Save 20%
Image of VWR Conductivity Calibration Standards 4162 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4162 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $87.95 $69.99 Save 20%
Image of VWR Digital Conductivity Bench Meter 4163 Conductivity Bench Meter VWR Digital Conductivity Bench Meter 4163 Conductivity Bench Meter List: $3,181.52 $434.49 Save 86% Final Sale
Image of VWR Conductivity/Temperature Meter 4169 Conductivity Meter With Probe VWR Conductivity/Temperature Meter 4169 Conductivity Meter With Probe List: $1,433.42 $919.99 Save 36%
Image of VWR Redi-Stor Conductivity Probe Storage Solution 4170 Vwr Conductivity Probe Strge VWR Redi-Stor Conductivity Probe Storage Solution 4170 Vwr Conductivity Probe Strge List: $102.17 $91.99 Save 10%
Image of VWR Conductivity Calibration Standards 4172 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4172 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate) List: $102.98 $89.99 Save 13%
Image of VWR Conductivity Calibration Standards 4173 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4173 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $67.48 $59.99 Save 11%
Image of VWR Conductivity Calibration Standards 4174 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate) 2 models VWR Conductivity Calibration Standards 4174 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate) As Low As $39.99 Save Up to 16%
Image of VWR Conductivity Calibration Standards 4175 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 VWR Conductivity Calibration Standards 4175 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 List: $134.75 $115.99 Save 14%
Image of VWR Conductivity Calibration Standards 4176 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 VWR Conductivity Calibration Standards 4176 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 List: $114.63 $101.99 Save 11%
Image of VWR Conductivity Calibration Standards 4177 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 VWR Conductivity Calibration Standards 4177 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 List: $110.46 $99.99 Save $10.47
Image of VWR Conductivity Calibration Standards 4178 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 VWR Conductivity Calibration Standards 4178 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 List: $111.21 $99.99 Save 10%
Image of VWR Conductivity Calibration Standards 4179 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 VWR Conductivity Calibration Standards 4179 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 List: $95.10 $85.99 Save 10%
Image of VWR Digital Data Logger Thermometers 4236 Accessories Ac Adapter For 61220-601, 115V VWR Digital Data Logger Thermometers 4236 Accessories Ac Adapter For 61220-601, 115V List: $86.25 $65.99 Save 23%
Image of VWR Conductivity Calibration Standards 4270 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4270 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $200.80 $167.99 Save 16%
Image of VWR Conductivity Calibration Standards 4271 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 VWR Conductivity Calibration Standards 4271 Single-Use, 100 Ml (3.4 oz.) Polyethylene Bottles (NIST/ISO 17025 Certificate), Pack of 6 List: $262.75 $213.99 Save 19%
Image of VWR Conductivity Calibration Standards 4274 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) VWR Conductivity Calibration Standards 4274 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 Certificate) List: $185.14 $155.99 Save 16%
Image of VWR Conductivity Calibration Standards 4561 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) VWR Conductivity Calibration Standards 4561 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) List: $243.79 $165.99 Save 32%
Image of VWR Conductivity Calibration Standards 4562 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) VWR Conductivity Calibration Standards 4562 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) List: $243.79 $165.99 Save 32%
Image of VWR Conductivity Calibration Standards 4565 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) VWR Conductivity Calibration Standards 4565 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) List: $283.99 $275.99 Save $8.00
Image of VWR Conductivity Calibration Standards 4566 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) VWR Conductivity Calibration Standards 4566 473 Ml (16 oz.) Brown Glass Bottles (NIST/ISO 17025 A2LA Certificate) List: $283.99 $279.99 Save $4.00
Last updated 2026-09-09 UTC.