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These rugged pH and multi-parameter meters accurately provide the quick water quality measurements essential for electrochemistry research. Choose from compact benchtop or portable pen-styles to fit laboratory or field environments. Efficient dual or multi-parameter technology simultaneously determines different substance levels. The simple user interface shows prompted instructions on high resolution displays. Store the calibrations of potential hydrogen or oxidation reduction with memory storage capability. Incorporating waterproof construction, pH and multi-parameter meters endure harsh environs.

These rugged pH and multi-parameter meters accurately provide the quick water quality measurements essential for electrochemistry research. Choose from compact benchtop or portable pen-styles to fit laboratory or field environments. Efficient dual or multi-parameter technology simultaneously determines different substance levels. The simple user interface shows prompted instructions on high resolution displays. Store the calibrations of potential hydrogen or oxidation reduction with memory storage capability. Incorporating waterproof construction, pH and multi-parameter meters endure harsh environs.


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Product Image-665-0281

pH/ISE/conductivity/DO Meter, Orion Star™, Handheld pH/ISE/conductivity/DO meter Orion Star A329, instrument alone, A329 (without probe), Handheld, Meter only; without electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/l, ISE: 0 - 19999 ppm, BNC, pin tip, 8- and 9-pin mini-DIN, Datalogging: Yes, 2000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 60×105×240 mm, Weight: 0,5 kg, IP 67

Catalog Number: (665-0281)
Supplier: Thermo Orion
Description: pH/ISE/conductivity/DO Meter, Orion Star™, Handheld pH/ISE/conductivity/DO meter Orion Star A329, instrument alone, A329 (without probe), Handheld, Meter only; without electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/l, ISE: 0 - 19999 ppm, BNC, pin tip, 8- and 9-pin mini-DIN, Datalogging: Yes, 2000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 60×105×240 mm, Weight: 0,5 kg, IP 67
UOM: 1 * 1 items
Product Image-665-0282

pH/ISE/conductivity/DO Meter, Orion Star™, Handheld pH/ISE/conductivity/DO meter Orion Star A329, kit incl. pH electrode, conductivity cell and RDO optical sensor, A329 Kit (incl. 8107UWMMD Triode pH/ATC probe, 013010MD cond. cell, 087010MD RDO probe, carry case), Handheld, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/l, ISE: 0 - 19999 ppm, BNC, pin tip, 8- and 9-pin mini-DIN, Datalogging: Yes, 2000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 60×105×240 mm, Weight: 0,5 kg, IP 67

Catalog Number: (665-0282)
Supplier: Thermo Orion
Description: pH/ISE/conductivity/DO Meter, Orion Star™, Handheld pH/ISE/conductivity/DO meter Orion Star A329, kit incl. pH electrode, conductivity cell and RDO optical sensor, A329 Kit (incl. 8107UWMMD Triode pH/ATC probe, 013010MD cond. cell, 087010MD RDO probe, carry case), Handheld, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/l, ISE: 0 - 19999 ppm, BNC, pin tip, 8- and 9-pin mini-DIN, Datalogging: Yes, 2000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 60×105×240 mm, Weight: 0,5 kg, IP 67
UOM: 1 * 1 items
Product Image-662-1440

pH Meter, Orion Star™, Handheld pH/mV/°C meter Orion Star A121, only meter, A121 (without probe), Handheld, Meter only; without electrodes, pH: −2...+16, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe), Datalogging: Yes, 50, AC adapter (not included) or 4 AA batteries, W×D×H: 100×240×65 mm, Weight: 0,5 kg, IP 67

Catalog Number: (662-1440)
Supplier: Thermo Orion
Description: pH Meter, Orion Star™, Handheld pH/mV/°C meter Orion Star A121, only meter, A121 (without probe), Handheld, Meter only; without electrodes, pH: −2...+16, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe), Datalogging: Yes, 50, AC adapter (not included) or 4 AA batteries, W×D×H: 100×240×65 mm, Weight: 0,5 kg, IP 67
UOM: 1 * 1 items
Product Image-ORIOVSTAR80

pH Meter, Orion™ Versa Star™ Pro™, Bench pH/LogR meter Orion™ Versa Star™ Pro™ with pH/LogR module, instrument alone (without electrode), pH/LogR™, with interchangeable modules and 4 channels, Bench, Meter only; without electrodes, pH: −2...+20, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe), Datalogging: Yes, 2000, Outputs: RS232, USB (2), Universal AC adapter (included), W×D×H: 280×240×100 mm, Weight: 1,2 kg (modules add 0,2 kg each), CE, TUV 3-1, FCC Class A

Catalog Number: (ORIOVSTAR80)
Supplier: Thermo Orion
Description: pH Meter, Orion™ Versa Star™ Pro™, Bench pH/LogR meter Orion™ Versa Star™ Pro™ with pH/LogR module, instrument alone (without electrode), pH/LogR™, with interchangeable modules and 4 channels, Bench, Meter only; without electrodes, pH: −2...+20, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe), Datalogging: Yes, 2000, Outputs: RS232, USB (2), Universal AC adapter (included), W×D×H: 280×240×100 mm, Weight: 1,2 kg (modules add 0,2 kg each), CE, TUV 3-1, FCC Class A
UOM: 1 * 1 items
Product Image-662-2497

pH Meter, Orion™ Versa Star™ Pro™, Bench pH/LogR meter Orion™ Versa Star™ Pro™ with pH/LogR module, kit 2, pH/LogR™, with interchangeable modules and 4 channels, kit incl. 8220BNWP pH electrode, ATC probe, buffers and solutions, Bench, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe), Datalogging: Yes, 2000, Outputs: RS232, USB (2), Universal AC adapter (included), W×D×H: 280×240×100 mm, Weight: 1,2 kg (modules add 0,2 kg each), CE, TUV 3-1, FCC Class A

Catalog Number: (662-2497)
Supplier: Thermo Orion
Description: pH Meter, Orion™ Versa Star™ Pro™, Bench pH/LogR meter Orion™ Versa Star™ Pro™ with pH/LogR module, kit 2, pH/LogR™, with interchangeable modules and 4 channels, kit incl. 8220BNWP pH electrode, ATC probe, buffers and solutions, Bench, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe), Datalogging: Yes, 2000, Outputs: RS232, USB (2), Universal AC adapter (included), W×D×H: 280×240×100 mm, Weight: 1,2 kg (modules add 0,2 kg each), CE, TUV 3-1, FCC Class A
UOM: 1 * 1 items
Product Image-ORIOVSTAR82

pH Meter, Orion™ Versa Star™ Pro™, Bench pH/LogR meter Orion™ Versa Star™ Pro™ with pH/LogR module, kit 1, pH/LogR™, with interchangeable modules and 4 channels, kit incl. 8172BNWP pH electrode, ATC probe, buffers and solutions, Bench, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe), Datalogging: Yes, 2000, Outputs: RS232, USB (2), Universal AC adapter (included), W×D×H: 280×240×100 mm, Weight: 1,2 kg (modules add 0,2 kg each), CE, TUV 3-1, FCC Class A

Catalog Number: (ORIOVSTAR82)
Supplier: Thermo Orion
Description: pH Meter, Orion™ Versa Star™ Pro™, Bench pH/LogR meter Orion™ Versa Star™ Pro™ with pH/LogR module, kit 1, pH/LogR™, with interchangeable modules and 4 channels, kit incl. 8172BNWP pH electrode, ATC probe, buffers and solutions, Bench, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe), Datalogging: Yes, 2000, Outputs: RS232, USB (2), Universal AC adapter (included), W×D×H: 280×240×100 mm, Weight: 1,2 kg (modules add 0,2 kg each), CE, TUV 3-1, FCC Class A
UOM: 1 * 1 items
Product Image-662-1441

pH Meter, Orion Star™, Handheld pH/mV/°C meter Orion Star A121, kit incl. Triode 3-in-1 pH/ATC probe and hard carrying case, A121 Kit (incl. 9107BNMD Triode 3-in-1 pH/ATC probe, carry case), Handheld, Set with electrodes, pH: −2...+16, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe), Datalogging: Yes, 50, AC adapter (not included) or 4 AA batteries, W×D×H: 100×240×65 mm, Weight: 0,5 kg, IP 67

Catalog Number: (662-1441)
Supplier: Thermo Orion
Description: pH Meter, Orion Star™, Handheld pH/mV/°C meter Orion Star A121, kit incl. Triode 3-in-1 pH/ATC probe and hard carrying case, A121 Kit (incl. 9107BNMD Triode 3-in-1 pH/ATC probe, carry case), Handheld, Set with electrodes, pH: −2...+16, mV: ±2000, Temperature: −5...+105 °C, BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe), Datalogging: Yes, 50, AC adapter (not included) or 4 AA batteries, W×D×H: 100×240×65 mm, Weight: 0,5 kg, IP 67
UOM: 1 * 1 items
Product Image-665-0361

Multi-parameter meter, Portavo®, Portavo® 907 LDO Set, with optical dissolved oxygen sensor SE340-MS and carrying case, 907 LDO Set (with electrode SE340 and carrying case), Handheld, Set with electrodes, pH: −2...+16, Temperature: −50...+250 °C, Datalogging: Yes, 10000

Catalog Number: (665-0361)
Supplier: KNICK
Description: Multi-parameter meter, Portavo®, Portavo® 907 LDO Set, with optical dissolved oxygen sensor SE340-MS and carrying case, 907 LDO Set (with electrode SE340 and carrying case), Handheld, Set with electrodes, pH: −2...+16, Temperature: −50...+250 °C, Datalogging: Yes, 10000
UOM: 1 * 1 SET
Product Image-664-0138

Multi-parameter meter, Portavo®, Portavo® 907 OXY, without electrode, with digital Memosens input, for optical oxygen measurements, 907 OXY, Handheld, Meter only; without electrodes, pH: −2...+16, Temperature: −50...+250 °C, 1×M8 socket, 4 pins, for Memosens lab cable: 1×M12 socket, 8 pins for Memosens and optical oxygen sensors: 2×4 mm socket for separate temperature detector, Datalogging: Yes, 10000, Outputs: Micro USB ports, 4 alkaline AA batteries, Li-ion accumulator (loading via USB) available, W×D×H: 127×30×155 mm, Weight: 0,5 kg, IP 66/IP 67

Catalog Number: (664-0138)
Supplier: KNICK
Description: Multi-parameter meter, Portavo®, Portavo® 907 OXY, without electrode, with digital Memosens input, for optical oxygen measurements, 907 OXY, Handheld, Meter only; without electrodes, pH: −2...+16, Temperature: −50...+250 °C, 1×M8 socket, 4 pins, for Memosens lab cable: 1×M12 socket, 8 pins for Memosens and optical oxygen sensors: 2×4 mm socket for separate temperature detector, Datalogging: Yes, 10000, Outputs: Micro USB ports, 4 alkaline AA batteries, Li-ion accumulator (loading via USB) available, W×D×H: 127×30×155 mm, Weight: 0,5 kg, IP 66/IP 67
UOM: 1 * 1 items
Product Image-665-0287

Multi-parameter meter, Portavo®, Portavo® 907 COND, without electrode, with analogue conductivity and digital Memosens input, 907 COND, Handheld, Meter only; without electrodes, pH: −2...+16, Temperature: −50...+250 °C, Conductivity: 0,1 μS...1000 mS; 0,1 μS...200 mS, 1×multi contact for 2-/4-electrode sensors (analogue)
1×M8 socket, 4 pins, for Memosens lab cable
2×4 mm socket for separate temperature detector, Datalogging: Yes, 10000, Outputs: Micro USB ports, 4 alkaline AA batteries, Li-ion accumulator (loading via USB) available, W×D×H: 127×30×155 mm, Weight: 0,5 kg, IP 66/IP 67

Catalog Number: (665-0287)
Supplier: KNICK
Description: Multi-parameter meter, Portavo®, Portavo® 907 COND, without electrode, with analogue conductivity and digital Memosens input, 907 COND, Handheld, Meter only; without electrodes, pH: −2...+16, Temperature: −50...+250 °C, Conductivity: 0,1 μS...1000 mS; 0,1 μS...200 mS, 1×multi contact for 2-/4-electrode sensors (analogue)
1×M8 socket, 4 pins, for Memosens lab cable
2×4 mm socket for separate temperature detector, Datalogging: Yes, 10000, Outputs: Micro USB ports, 4 alkaline AA batteries, Li-ion accumulator (loading via USB) available, W×D×H: 127×30×155 mm, Weight: 0,5 kg, IP 66/IP 67
UOM: 1 * 1 items
Product Image-665-0278

pH/mV/conductivity Meter, Orion Star™, Handheld pH/conductivity meter Orion Star A325, kit incl. pH/ATC probe and conductivity cell, A325 Kit (incl. 8107UWMMD ROSS Triode pH/ATC probe, 013010MD cond. cell, carry case), Handheld, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/L, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe), Datalogging: Yes, 5000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 240×100×65 mm, Weight: 0,5 kg, IP 67

Catalog Number: (665-0278)
Supplier: Thermo Orion
Description: pH/mV/conductivity Meter, Orion Star™, Handheld pH/conductivity meter Orion Star A325, kit incl. pH/ATC probe and conductivity cell, A325 Kit (incl. 8107UWMMD ROSS Triode pH/ATC probe, 013010MD cond. cell, carry case), Handheld, Set with electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/L, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe), Datalogging: Yes, 5000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 240×100×65 mm, Weight: 0,5 kg, IP 67
UOM: 1 * 1 items
Product Image-665-0277

pH/mV/conductivity Meter, Orion Star™, Handheld pH/conductivity meter Orion Star A325, instrument alone, A325 (without probe), Handheld, Meter only; without electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/L, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe), Datalogging: Yes, 5000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 240×100×65 mm, Weight: 0,5 kg, IP 67

Catalog Number: (665-0277)
Supplier: Thermo Orion
Description: pH/mV/conductivity Meter, Orion Star™, Handheld pH/conductivity meter Orion Star A325, instrument alone, A325 (without probe), Handheld, Meter only; without electrodes, pH: −2...+20, mV: ±2000, Temperature: –5...+105 °C, Conductivity: 0 - 3000 mS/cm, Salinity: 0 - 80 ppt, TDS: 0 - 200 ppt, DO: 0 - 90 mg/L, BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe), Datalogging: Yes, 5000, Outputs: RS232, USB, AC adapter or 4 AA batteries, W×D×H: 240×100×65 mm, Weight: 0,5 kg, IP 67
UOM: 1 * 1 items
Product Image-LOVI721300

pH meter, Lovibond®, pH meter, SensoDirect pH 110, SensoDirect pH 110, Handheld, Set with electrodes, pH: 0...14, Temperature: 0…+60 °C, BNC, Datalogging: No, 1 × 9 V battery, W×D×H: 110×34×208 mm, Weight: 0,380 kg

Catalog Number: (LOVI721300)
Supplier: Lovibond
Description: pH meter, Lovibond®, pH meter, SensoDirect pH 110, SensoDirect pH 110, Handheld, Set with electrodes, pH: 0...14, Temperature: 0…+60 °C, BNC, Datalogging: No, 1 × 9 V battery, W×D×H: 110×34×208 mm, Weight: 0,380 kg
UOM: 1 * 1 items
Product Image-LOVI194800

pH Meter, Lovibond®, pH meter, handheld, SD 50, SD 50, Handheld, Set with electrodes, pH: 0...14, Temperature: 0…+60 °C, Datalogging: Yes, 25, 2 × CR2032 batteries (>25 hours continuous use), Weight: 0,10 kg, IP 67

Catalog Number: (LOVI194800)
Supplier: Lovibond
Description: pH Meter, Lovibond®, pH meter, handheld, SD 50, SD 50, Handheld, Set with electrodes, pH: 0...14, Temperature: 0…+60 °C, Datalogging: Yes, 25, 2 × CR2032 batteries (>25 hours continuous use), Weight: 0,10 kg, IP 67
UOM: 1 * 1 items
Product Image-TEST0563.2052

pH meter, Handheld pH/°C meter starter kit, with temperature/penetration probe and accessories, 205, probe shaft Ø×L: 11×25 mm, 205, Tester, Set with electrodes, pH: 0...14, Temperature: 0...+60 °C, Datalogging: No, 4× Button cell LR44, W×D×H: 145×38×167 mm, Weight: 0,135 kg

Catalog Number: (TEST0563.2052)
Supplier: TESTO
Description: pH meter, Handheld pH/°C meter starter kit, with temperature/penetration probe and accessories, 205, probe shaft Ø×L: 11×25 mm, 205, Tester, Set with electrodes, pH: 0...14, Temperature: 0...+60 °C, Datalogging: No, 4× Button cell LR44, W×D×H: 145×38×167 mm, Weight: 0,135 kg
UOM: 1 * 1 items
Product Image-TEST0563.2062

pH meter, pH/°C tester, 206 pH2, single instrument, 206-pH2, Tester, Set with electrodes, pH: 0...14, Temperature: 0...+60 °C, Datalogging: No, 1 × CR2032 battery, W×D×H: 33×20×197 mm, Weight: 0,062 kg, IP68

Catalog Number: (TEST0563.2062)
Supplier: TESTO
Description: pH meter, pH/°C tester, 206 pH2, single instrument, 206-pH2, Tester, Set with electrodes, pH: 0...14, Temperature: 0...+60 °C, Datalogging: No, 1 × CR2032 battery, W×D×H: 33×20×197 mm, Weight: 0,062 kg, IP68
UOM: 1 * 1 items
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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