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Thermo Orion pH Meters for Sale Up to 38% Off — 140 products / 140 models

You will appreciate the savings on your purchase of one of the 140 Thermo Orion pH Meters offered at such competitive prices at OpticsPlanet.image

Engineered with legendary Thermo Orion quality, the pH Meters delivers the excellent performance you expect. Thermo Orion products far exceed performance expectations and earns high praise in the field.

Enjoy your hobby and achieve your goals with the outstanding performance of pH Meters products from OpticsPlanet.

Thermo Orion pH Meters Reviews

There are thousands of product reviews from verified purchasers from OpticsPlanet. You can read all the Thermo Orion pH Meters Reviews here and receive useful information from our network of satisfied customers including product quality, shipping speed, customer service and sometimes even stories of using their Thermo Orion pH Meters.

Up to 38% Off on pH Meters from Thermo Orion is only one of the reasons to purchase from Opticsplanet.com. Add the excellent customer service, fantastic return policy, FREE SHIPPING on all orders over $49 PLUS the fact that we have EXPERTS in pH Meters products ready to answer your questions today and a commitment to the outdoors unparalleled by any company selling Thermo Orion pH Meters online.

140 Products in Thermo Orion pH Meters

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Image of Thermo Orion Meter Star A121 Ph Hh STARA1210 Thermo Orion Meter Star A121 Ph Hh STARA1210 List: $963.62 (Save 20%) $769.99
Image of Thermo Orion Electrode Ammonia With Bnc 9512HPBNWP Thermo Orion Electrode Ammonia With Bnc 9512HPBNWP List: $1,587.78 (Save 19%) $1,279.00
Image of Thermo Orion Nitrate Sensing Module 930702 Thermo Orion Nitrate Sensing Module 930702 List: $586.36 (Save 23%) $449.99
Image of Thermo Orion Calcium Module 972001 Thermo Orion Calcium Module 972001 List: $628.10 (Save 22%) $489.99
Image of Thermo Orion Extension Bnc 15FT 910027 Thermo Orion Extension Bnc 15FT 910027 List: $396.65 (Save 24%) $299.99
Image of Thermo Orion Aquapro Flat Surface 9135APWP Thermo Orion Aquapro Flat Surface 9135APWP List: $825.51 (Save 25%) $619.99
Image of Thermo Orion Low Maintenance Orp Epxy Triod 9179BN Thermo Orion Low Maintenance Orp Epxy Triod 9179BN List: $745.05 (Save 25%) $559.99
Image of Thermo Orion Potassium Module 971901 Thermo Orion Potassium Module 971901 List: $625.40 (Save 22%) $489.99
Image of Thermo Orion Swing Arm And Holder 090043 Thermo Orion Swing Arm And Holder 090043 List: $471.81 (Save 19%) $379.99
Image of Thermo Orion Meter Star A221 Ph Hh STARA2210 Thermo Orion Meter Star A221 Ph Hh STARA2210 List: $1,166.13 (Save 21%) $919.99
Image of Thermo Orion Conductivity 4CELL Mdin 3M Cbl 013010MD Thermo Orion Conductivity 4CELL Mdin 3M Cbl 013010MD List: $1,247.59 (Save 22%) $969.99
Image of Thermo Orion Cndctvty Cell PT/GLASS WPDIN1M 011010A Thermo Orion Cndctvty Cell PT/GLASS WPDIN1M 011010A List: $1,669.00 (Save $10.00) $1,659.00
Image of Thermo Orion Meter Star A329 Ph/ise/cond/ STARA3290 Thermo Orion Meter Star A329 Ph/ise/cond/ STARA3290 $2,739.00
Image of Thermo Orion Perphect PRINTER/CABLE 220V PRT301 Thermo Orion Perphect PRINTER/CABLE 220V PRT301 List: $2,399.00 (Save $20.00) $2,379.00
Image of Thermo Orion Meter Star A215 Ph/conduct Bt STARA2150 Thermo Orion Meter Star A215 Ph/conduct Bt STARA2150 List: $2,769.40 (Save 15%) $2,349.00
Image of Thermo Orion Meter Star A113 Do Bt STARA1130 Thermo Orion Meter Star A113 Do Bt STARA1130 List: $1,595.00 (Save $16.00) $1,579.00
Image of Thermo Orion Fluoroborate Sensing Module 930501 Thermo Orion Fluoroborate Sensing Module 930501 $1,499.00
Image of Thermo Orion Probe PH/ATC Triode 3-IN-1 9109WP Thermo Orion Probe PH/ATC Triode 3-IN-1 9109WP List: $909.99 (Save $10.00) $899.99
Image of Thermo Orion Metrstar A112 Conductivitybt STARA1120 Thermo Orion Metrstar A112 Conductivitybt STARA1120 List: $1,495.00 (Save $16.00) $1,479.00
Image of Thermo Orion Temp Compensator Perphect Gls 927006 Thermo Orion Temp Compensator Perphect Gls 927006 $849.99
Image of Thermo Orion Hard Carrying Case Orion Star STARA-CS Thermo Orion Hard Carrying Case Orion Star STARA-CS List: $289.99 (Save 17%) $239.99
Image of Thermo Orion Kit Versa Star Conductivity VSTAR22 Thermo Orion Kit Versa Star Conductivity VSTAR22 $3,799.00
Image of Thermo Orion Din To Bnc Electrode Adapter 090034 Thermo Orion Din To Bnc Electrode Adapter 090034 $279.99
Image of Thermo Orion Conductiviy CELL, GLS 8PIN 1MCB 011020A Thermo Orion Conductiviy CELL, GLS 8PIN 1MCB 011020A List: $1,979.00 (Save $10.00) $1,969.00
Image of Thermo Orion Temp Compensator Perphect Epxy 927005 Thermo Orion Temp Compensator Perphect Epxy 927005 $879.99
Image of Thermo Orion Ph Tri 18ftcb Wpbnc/mdin 9107WLMD Thermo Orion Ph Tri 18ftcb Wpbnc/mdin 9107WLMD $1,059.00
Image of Thermo Orion Ross Ultra Flat Surface 8135BNUWP Thermo Orion Ross Ultra Flat Surface 8135BNUWP $1,449.00
Image of Thermo Orion Printer Perphect + Cable 110V PRT300 Thermo Orion Printer Perphect + Cable 110V PRT300 List: $2,409.00 (Save $10.00) $2,399.00
Image of Thermo Orion No Cal Elec WPBNC/MDIN 5107BNMD Thermo Orion No Cal Elec WPBNC/MDIN 5107BNMD List: $639.99 (Save $60.00) $579.99
Image of Thermo Orion Kit Star A112 Conductivitybt STARA1125 Thermo Orion Kit Star A112 Conductivitybt STARA1125 List: $1,979.00 (Save $20.00) $1,959.00
Image of Thermo Orion Ribbn F/PRNTRS PRT300/301 PRT302 Thermo Orion Ribbn F/PRNTRS PRT300/301 PRT302 List: $109.99 (Save $4.00) $105.99
Image of Thermo Orion Probe Stainls Stl Perphect 927007 Thermo Orion Probe Stainls Stl Perphect 927007 $1,049.00
Image of Thermo Orion Meter Star A111 Ph Bt STARA1110 Thermo Orion Meter Star A111 Ph Bt STARA1110 List: $1,139.00 (Save $10.00) $1,129.00
Image of Thermo Orion Kit Star A214 Ph/ise Bt STARA2145 Thermo Orion Kit Star A214 Ph/ise Bt STARA2145 $3,569.00
Image of Thermo Orion 93 Series Handle Bnc 9300BNWP Thermo Orion 93 Series Handle Bnc 9300BNWP List: $1,216.94 (Save 25%) $909.99
Image of Thermo Orion Aquapro Rugged Bulb 9104APWP Thermo Orion Aquapro Rugged Bulb 9104APWP List: $762.76 (Save 25%) $569.99
Image of Thermo Orion Printer Paper PK5 Rolls 55PR45 Thermo Orion Printer Paper PK5 Rolls 55PR45 List: $213.99 (Save $8.00) $205.99
Image of Thermo Orion Printer Cartridge For Ss Print 1010008 Thermo Orion Printer Cartridge For Ss Print 1010008 List: $101.04 (Save 15%) $85.99
Image of Thermo Orion Printer Paper For Ss Printer 1010009 Thermo Orion Printer Paper For Ss Printer 1010009 List: $57.99 (Save 31%) $39.99
Image of Thermo Orion Solution Hp Ammonia Elect Fill 951209 Thermo Orion Solution Hp Ammonia Elect Fill 951209 List: $160.55 (Save 17%) $133.99
Image of Thermo Orion No Cal Elec Ofs 5 Pk 510011 Thermo Orion No Cal Elec Ofs 5 Pk 510011 List: $312.61 (Save 22%) $243.99
Image of Thermo Orion Electrode F/MEMEBRANE BX20 951214 Thermo Orion Electrode F/MEMEBRANE BX20 951214 List: $295.90 (Save 18%) $243.99
Image of Thermo Orion Kit Ross Ph All-in-one 810199 Thermo Orion Kit Ross Ph All-in-one 810199 List: $204.33 $203.99
Image of Thermo Orion Elec Str Btl Smimcro 3PK 910004 Thermo Orion Elec Str Btl Smimcro 3PK 910004 List: $146.08 (Save 21%) $115.99
Image of Thermo Orion Ph Bffr 9.18 60ML EA=PK5 9191860 Thermo Orion Ph Bffr 9.18 60ML EA=PK5 9191860 List: $165.99 (Save 16%) $139.99
Image of Thermo Orion Sodium Kap Analysis Std Pack 650700 Thermo Orion Sodium Kap Analysis Std Pack 650700 List: $273.19 (Save 22%) $213.99
Image of Thermo Orion Shorting Plug Bnc W/MOUNT Strp 090045 Thermo Orion Shorting Plug Bnc W/MOUNT Strp 090045 List: $120.50 (Save 15%) $101.99
Image of Thermo Orion Calibration Slve 083XXA Doprb 080017 Thermo Orion Calibration Slve 083XXA Doprb 080017 List: $328.43 (Save 21%) $259.99
Image of Thermo Orion Visc IFS-STM Strl Ele PK5X60ML 900019 Thermo Orion Visc IFS-STM Strl Ele PK5X60ML 900019 List: $311.20 (Save 21%) $245.99
Image of Thermo Orion Power Adapter Universal Spare 1010003 Thermo Orion Power Adapter Universal Spare 1010003 List: $136.51 (Save 14%) $117.99
Image of Thermo Orion Ammonia Storage Solution 475ml 951213 Thermo Orion Ammonia Storage Solution 475ml 951213 List: $150.72 (Save 18%) $123.99
Image of Thermo Orion Kit Star A211 Ph Bt STARA2115 Thermo Orion Kit Star A211 Ph Bt STARA2115 List: $2,120.68 (Save 23%) $1,639.00
Image of Thermo Orion Meter Star A324 Ph/ise Hh STARA3240 Thermo Orion Meter Star A324 Ph/ise Hh STARA3240 List: $2,273.03 (Save 25%) $1,699.00
Image of Thermo Orion Meterstar A212 Conductivtybt STARA2120 Thermo Orion Meterstar A212 Conductivtybt STARA2120 List: $2,370.00 (Save 18%) $1,949.00
Image of Thermo Orion Kit Star A221 Ph Hh STARA2215 Thermo Orion Kit Star A221 Ph Hh STARA2215 List: $3,029.49 (Save 38%) $1,869.00
Image of Thermo Orion Electrode Ross Glass Triode 8302BNUMD Thermo Orion Electrode Ross Glass Triode 8302BNUMD List: $1,731.53 (Save 38%) $1,069.00
Image of Thermo Orion Electrode Arm Orion Star A STARA-BEA Thermo Orion Electrode Arm Orion Star A STARA-BEA List: $459.99 (Save $16.00) $443.99
Image of Thermo Orion Meter Star A222 Conductivity STARA2220 Thermo Orion Meter Star A222 Conductivity STARA2220 List: $1,649.27 (Save 21%) $1,299.00
Image of Thermo Orion Meter Star A321 Ph Hh STARA3210 Thermo Orion Meter Star A321 Ph Hh STARA3210 List: $1,550.63 (Save 21%) $1,219.00
Image of Thermo Orion Baseorion Star A Benchtop STARA-HB Thermo Orion Baseorion Star A Benchtop STARA-HB List: $111.70 (Save 10%) $99.99
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    Last updated 2026-07-10 UTC.