Orion* 4-Star Plus pH/ISE Portable Multiparameter Meter

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**Orion* 4-Star Plus pH/ISE Portable Multiparameter Meter**

The Thermo Scientific* 4-Star Plus portable pH/ISE multiparameter meter reads two measurements simultaneously.

Waterproof, battery-operated meter makes it easy to read two water quality parameters at once

Part Number	Description
1215000	Orion 4-Star Plus Portable pH/ISE Meter Only
1215001	Orion 4-Star Plus Portable pH/ISE Meter with hard field case. Includes 9107BNMD epoxy Triode electrode, pH electrode storage solution and pH buffers.
1215501	Orion 4-Star Plus Portable pH/ISE Meter with soft field case. Includes 9107BNMD epoxy Triode electrode, pH electrode storage solution and pH buffers.

Specifications
Model	Orion 4-Star Plus pH/ISE Portable Multiparameter Meter
pH Mode
Range	-2.000 to +19.999pH
Resolution	0.1/0.01/0.001pH
Relative Accuracy	±0.002pH
Calibration Points	AUTO-CAL* and/or Manual Calibration; 1 to 5 points; US/NIST, DIN, and custom buffers recognized
ISE Mode
Range	0 to 19,999 in M, mg/L, %, ppb, or no units
Resolution	1, 2, or 3 signi?cant digits
Relative Accuracy	±0.2mV or 0.05%, whichever is greater
Calibration Poin	1 to 5 points; linear point to point, non-linear selectable auto-blank, low concentration range options
mV/RmV/ORP Mode
Range	±1999.9mV
Resolution	0.1mV
Relative Accuracy	±0.2mV or 0.05%, whichever is greater
ORP Calibration	E_H autocalibration to standard hydrogen electrode for ORP measurements
Temperature Mode
Range	-5° to +105°C
Resolution	0.1°C up to 99.9°C, 1.0°C over 99.9°C
Relative Accuracy	±0.1°C, ±1 digit
Temperature Compensation	Automatic or manual
Display	Custom LCD; simultaneous display of selected measurement and temperature, pH calibration points, and current electrode condition
Inputs/Outputs
Inputs	Waterproof BNC for pH/ORP/ISE electrodes; waterproof 8-Pin Mini-DIN Locking for ATC probe; Pin tip for separate reference electrode; Phono jack for stirrer
Sensor Types	pH, ORP or Ion Selective electrodes
Outputs	Waterproof bidirectional RS-232, stereo jack, optional USB interface cable
Data Management	GLP Electrode Veri?cationSaves 750 points by time, stability or manual read with time/date stampCalibration log of last 10 calibrationsUser method storage for 10 proceduresAdvanced self-test and diagnostics routinesPassword protectionDownloadable software and methods updates via Internet
GLP Compliance	21 CFR Part II Compliant with optional software
Regulatory and Safety Compliance	CE, CSA, UL, TUV, FCC Class A limits
Environmental Operating Conditions
Ambient Operating Temperature	5° to 45°C
Relative Humidity	5 to 85% noncondensing
IP Rating	IP54 compliance: splashproof and dustprooIP67 waterproof
Stability	SMART STABILITY* and SMART AVERAGING* Resolution dependent/automatic
Power Supply	4 x 1.5V AA batteries
Warranty	Three years from date of purchase