Need Help? Call 1-800-884-4967 8:00am to 5:00pm ET

Repair & Calibration: Instrumart is a factory service center for the original Star series. Call 1-800-884-4967 to discuss.

Features

  • Simultaneous display of pH, Dissolved Oxygen and temperature measurements
  • Backlit LCD
  • Handheld or benchtop models
  • Storage of up to 10 individually password-protected methods for easy retrieval of operation procedures
  • Datalog up to 750 points with time and date stamp
  • RS232 port for easy data downloading and software updates

The Thermo Scientific Orion 4-Star Plus pH/dissolved oxygen meter features waterproof hand-held or splash-proof benchtop models and has the ability to simultaneously display pH, conductivity and temperature measurements. This Thermo Scientific Orion pH/dissolved oxygen meter features ranges of -2.000 to 19.999 (pH), ±1999.9 (mV) and -5 to 105°C (temperature).

Other features of the Thermo Scientific Orion 4-Star Plus pH/dissolved oxygen meter include a backlit LCD, Smart Stability and Smart Averaging functions for automatically optimized accuracy, precision and response time, a resistivity range of 0.000 to 3000 mS/cm and the compatibility with 2-electrode and 4-electrode conductivity cells.

There are several different kits available for both style meters.

Benchtop Meter Kits

Application Sensor(s) Accessories & Solutions

TRIS Fresh Water

  • 8102BNUWP ROSS Ultra refillable glass pH electrode
  • 927005MD Epoxy ATC probe
  • 081010MD DO probe with 3 meter cable
  • Swing arm electrode stand
  • pH 4.01, 7.00, and 10.01 buffers (pint bottles)
  • DO calibration sleeve
  • BOD reservoir, stirrer and adapter
  • DO probe maintenance kit - 080113

Portable Meter Kits

Application Sensor(s) Accessories & Solutions

Fresh Water 1

  • 9107WMMD Low maintenance epoxy pH/ATC Triode electrode with 3 meter cable
  • 083010MD DO probe with 3 meter cable and calibration sleeve
  • Beaker
  • pH electrode storage solution (5 x 60 mL bottles)
  • pH 4.01, 7.00, 10.01 buffers (10 x 15 mL pouches)
  • DO probe maintenance kit - 080513
  • Protective probe guard
  • Soft field case

Fresh Water 3

  • 9107BNMD Low maintenance epoxy pH/ATC Triode electrode
  • 083005MD DO probe with calibration sleeve
  • Beaker
  • pH electrode storage solution (5 x 60 mL bottles)
  • pH 4.01, 7.00, 10.01 buffers (10 x 15 mL pouches)
  • DO probe maintenance kit - 080513
  • Protective probe guard
  • Hard field case

Probes

Thermo Scientific Orion Dissolved Oxygen Probes
Dissolved oxygen probes for your Thermo Scientific Orion meter
$550.00
$495.00
Thermo Scientific Orion ROSS pH Electrodes
The best performing pH electrodes on the market available in various sizes, tips and special features
$411.00
$369.90
Thermo Scientific Orion Green pH Electrodes
Environmentally friendly pH electrodes contain no lead, mercury or other hazardous substances
$138.00
$124.20
Thermo Scientific Orion pH Electrodes
pH electrodes available in a variety of styles
$131.00
$117.90
In Stock
Thermo Scientific Orion No Cal pH Electrode
Epoxy body pH electrode with 8-pin DIN connector and doesn't need calibration
$411.00
$369.90
Thermo Scientific Orion ORP Electrodes
ORP/redox electrodes available in a variety of styles
$359.00
$323.10

Calibration

Thermo Scientific Orion Dissolved Oxygen Calibration Accessories
Calibration accessories for Thermo Scientific Orion dissolved oxygen electrodes
$146.00
$131.40

Printers

Thermo Scientific Orion Inkjet Printer
Star series inkjet printer creates an instant record of test results
$690.00
$621.00
Thermo Scientific Orion Replacement Ink Cartridge
Replacement ink cartridge for Model 1010006 ink jet printer
$45.80
$41.22
Thermo Scientific Orion Printer Paper
Replacement printer paper for Model 1010006 ink jet printer
$16.00
$14.40

Protection

Thermo Scientific Orion Dissolved Oxygen Probe Guards
Probe guards for Thermo Scientific Orion dissolved oxygen electrodes
$133.00
$119.70

Cases

Carrying cases, spare cases

Thermo Scientific Orion Star Series Case
Soft field case for Thermo Scientific Orion Star series meters
$150.00
$135.00

Solutions

Thermo Scientific Orion pH Electrode Cleaning Solutions
Cleaning solutions for Thermo Scientific Orion pH electrodes
$32.90
$29.61
Thermo Scientific Orion pH Electrode Storage Solutions
Storage solutions for Thermo Scientific Orion pH electrodes
$57.00
$51.30
Thermo Scientific Orion pH Buffers
pH buffers for Thermo Scientific Orion pH electrodes
$19.40
$17.46
Thermo Scientific Orion Electrode Filling Solutions
5 x 60 mL bottles of electrode filling solution
$95.30
$85.77
Thermo Scientific Orion ORP Standards
ORP standards for Thermo Scientific Orion pH electrodes
$62.80
$56.52

Accessories

Please consider these optional accessories.

Thermo Scientific Orion Dissolved Oxygen Maintenance Kit
Maintenance kits for Thermo Scientific Orion dissolved oxygen meters
$115.00
$103.50
In Stock
Thermo Scientific Orion Dissolved Oxygen BOD Adapters
BOD adapters for Thermo Scientific Orion dissolved oxygen electrodes
$142.00
$127.80
Thermo Scientific Orion Electrode Storage Chamber
Electrode storage chamber (for meter impact jacket) for Thermo Scientific Orion Star series meters
$63.00
$56.70
In Stock
Thermo Scientific Orion Star Series Adapters
Adapters for Thermo Scientific Orion Star series meters
$60.00
$54.00
Thermo Scientific Orion ATC Probes
Automatic temperature compensation probes that are environmentally safe, mercury-free and EPA compliant
$256.00
$230.40

Spare Parts

Thermo Scientific Orion Dissolved Oxygen Membrane Caps
Membrane caps for Thermo Scientific Orion dissolved oxygen electrodes
$53.10
$47.79