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Electrochemistry meters measure accurate sample levels in pH, oxygen, temperature, conductivity, and more. Economical benchtop and portable handheld designs feature multiple simultaneous measurement capabilities that cut down on time and equipment needed. A simple step-by-step technology walks users through the testing process. Strong waterproof construction allows for routine use in potentially destructive surroundings. Export information potential transfers collected readings to computers. Electrochemistry meter styles vary in accuracy, range, operating temperature, and resolution capabilities.

Electrochemistry meters measure accurate sample levels in pH, oxygen, temperature, conductivity, and more. Economical benchtop and portable handheld designs feature multiple simultaneous measurement capabilities that cut down on time and equipment needed. A simple step-by-step technology walks users through the testing process. Strong waterproof construction allows for routine use in potentially destructive surroundings. Export information potential transfers collected readings to computers. Electrochemistry meter styles vary in accuracy, range, operating temperature, and resolution capabilities.


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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-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-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-ORIOSTARA2136

Dissolved Oxygen Meter, Orion Star™, A213 Kit (incl. 086030MD polarographic AUTO-STIR DO/BOD probe), Bench, DO: 0 - 90 mg/L, 0…50 °C, USB, RS232, Universal AC adapter (included) or 4 AA batteries (sold separately)

Catalog Number: (ORIOSTARA2136)
Supplier: Thermo Orion
Description: Dissolved Oxygen Meter, Orion Star™, A213 Kit (incl. 086030MD polarographic AUTO-STIR DO/BOD probe), Bench, DO: 0 - 90 mg/L, 0…50 °C, USB, RS232, Universal AC adapter (included) or 4 AA batteries (sold separately)
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-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-665-0277

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-664-0145

Dissolved Oxygen Meter, Orion Star™, A213 (without probe), Bench, DO: 0 - 90 mg/L, 0…50 °C, USB, RS232, Universal AC adapter (included) or 4 AA batteries (sold separately)

Catalog Number: (664-0145)
Supplier: Thermo Orion
Description: Dissolved Oxygen Meter, Orion Star™, A213 (without probe), Bench, DO: 0 - 90 mg/L, 0…50 °C, USB, RS232, Universal AC adapter (included) or 4 AA batteries (sold separately)
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-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-665-0291

Dissolved oxygen meter, Portavo®, 904, Handheld, EU-plug, −20...+150 °C, 1 x M8 socket, 4 pins, for Memosens lab cable
1 x M12 socket for Memosens sensors
2 x 4-mm socket for separate temperature detector, Micro USB-B, 4 alkaline AA batteries (1000 hours operating time), Li-ion accumulator or 4 NiMH rechargeable batteries , IP 66/IP 67

Catalog Number: (665-0291)
Supplier: KNICK
Description: Dissolved oxygen meter, Portavo®, 904, Handheld, EU-plug, −20...+150 °C, 1 x M8 socket, 4 pins, for Memosens lab cable
1 x M12 socket for Memosens sensors
2 x 4-mm socket for separate temperature detector, Micro USB-B, 4 alkaline AA batteries (1000 hours operating time), Li-ion accumulator or 4 NiMH rechargeable batteries , IP 66/IP 67
UOM: 1 * 1 items
Product Image-664-0143

Dissolved Oxygen Meter, Orion Star™, A123 (without probe), Handheld, DO: 0 - 20 mg/L, –5...+50 °C, 9-pin mini-DIN, AC adapter or 4 AA batteries, IP 67

Catalog Number: (664-0143)
Supplier: Thermo Orion
Description: Dissolved Oxygen Meter, Orion Star™, A123 (without probe), Handheld, DO: 0 - 20 mg/L, –5...+50 °C, 9-pin mini-DIN, AC adapter or 4 AA batteries, IP 67
UOM: 1 * 1 items
Product Image-664-0146

Dissolved Oxygen Meter, Orion Star™, A213 Kit (incl. 083005MD polarographic DO probe), Bench, DO: 0 - 90 mg/L, 0…50 °C, USB, RS232, Universal AC adapter (included) or 4 AA batteries (sold separately)

Catalog Number: (664-0146)
Supplier: Thermo Orion
Description: Dissolved Oxygen Meter, Orion Star™, A213 Kit (incl. 083005MD polarographic DO probe), Bench, DO: 0 - 90 mg/L, 0…50 °C, USB, RS232, Universal AC adapter (included) or 4 AA batteries (sold separately)
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-664-0144

Dissolved Oxygen Meter, Orion Star™, A123 Kit (incl. 083005MD polarographic DO probe, carry case), Handheld, DO: 0 - 20 mg/L, –5...+50 °C, 9-pin mini-DIN, AC adapter or 4 AA batteries, IP 67

Catalog Number: (664-0144)
Supplier: Thermo Orion
Description: Dissolved Oxygen Meter, Orion Star™, A123 Kit (incl. 083005MD polarographic DO probe, carry case), Handheld, DO: 0 - 20 mg/L, –5...+50 °C, 9-pin mini-DIN, AC adapter or 4 AA batteries, IP 67
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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