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Thermo Scientific™ Orion™ pH and pH/mV Meters
Description
Microprocessor, digital, analog models; Model 525A with dual input.
Orion Model 301 analog pH/mV meter has mirrored meter scale and offers manual temperature compensation. Comes with combination electrode, electrode holder, and shorting cap.
Orion Model 410 Aplus™ pH/temperature meter offers simple four-button operation, large liquid crystal display, three-point autocalibration with three buffers, and automatic temperature compensation with optional ATC probe. RS-232-C port allows data output; works with Orion 900A printer (order separately) and offers three print options (when reading's stable, at timed intervals, and on demand). Comes with combination electrode and three-year warranty.
Orion 525Aplus, 520Aplus and 420Aplus meters have direct pH, absolute/relative mV readout; selectable pH resolution; adjustable isopotential point; automatic slope calculation and display; self-diagnostics, user-friendly prompts; manual temperature compensation or autocompensation (with optional probe); simultaneous data/temperature display; 24-hour clock; recall of time/date of last calibration; lock-in and confirmation of stable readings; and three print options. Models available with combination electrode or Orion Triode™.
Orion Model 420Aplus pH/mV meter has large LCD, three-point autocalibration with three buffers; RS-232-C port for data output. Three-year warranty.
Orion Model 520Aplus pH/mV meter has two-color vacuum fluorescent display with 17-character prompt line; three-point autocalibration with five buffers; 25-point datalogging; selectable high/low alarm limits; two-way RS-232-C port, recorder and KF outputs. Three-year warranty.
Orion Model 525Aplus dual-channel pH/mV meter offers all the features of the 520Aplus, plus three-point autocalibration with five buffers. Accommodates two electrodes (pH, mV or BOD) and retains calibration data—no need to recalibrate when switching between channels. Three-year warranty.
Order Info
Packaging Options. All meters come with instruction manual and electrical cord and plug appropriate for voltage requirements. Optional Benchtop Meter Starter Kit includes A-Series electrode holder and stand; epoxy body ATC probe (13-641-260); one 17 oz. (475mL) bottle each of pH 4, 7, and 10 buffer solution; and one bottle pH storage solution.
- Selectable to 0.1, 0.01 or 0.001pH.
- Relative mV range: 0 to ±1999.9mV.
- With combination electrode.
- With Orion Triode Combination Electrode/ATC Probe (13-641-259).
- With Benchtop Meter Starter Kit 13-641-262.
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