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specifications Extech 407228: Heavy Duty pH/mV/Temperature Meter Kit
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- General Specifications
Display: Dual function LCD with contrast adjust
Input impedance: 1012 ohms
Temp. compensation for pH: Automatic and manual 0 ~ 65°C (32 ~ 149°F)
pH electrode compatibility: Any pH electrode with BNC connector
Data hold: Freezes displayed reading
Memory recall: Records / Recalls MAX (maximum), MIN (minimum), and AVG (average) readings
Auto Power OFF: Meter powers OFF after 10 minutes
PC Interface: Serial RS-232 communication
Over range indication: All dashes on display “- – – -”
Sampling time: Approximately 0.8 seconds
Operating conditions: 0°C ~ 50°C (32°F ~ 122°F); < 80% RH
Power supply: 9V battery (power consumption 5.7mA approx.)
Weight: 270g (0.59 lbs.) including batteries
Dimensions: 180 x 72 x 32mm (7.1 x 2.8 x1.3″)
Optional accessories: ORP Electrode (67500B); AC adaptor: 156119 (120V), 156221 (220V)
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- Range Specifications
– pH
Range: 0 ~ 14 pH
Resolution: 0.01 pH
Accuracy (of reading): ± (0.03 pH + 2 digits)
– mV
Range: ±1999 mV
Resolution: 1 mV
Accuracy (of reading): ± (0.5% + 1 digits)
– Temperature (°C)
Range: 0 ~ 50°C; 50 ~ 65°C
Resolution: 0.1°C
Accuracy (of reading): ± 1°C ± 4°C
– Temperature (°F)
Range: 32 ~ 122°F; 122 ~ 149°F
Resolution: 0.1°F
Accuracy (of reading): ± 1.8°F; ± 7.5°F
Introduction Extech 407228
Extech 407228 measures pH, mV (ORP), and Temperature. The temperature units (C/F) are selectable and the Calibration and Slope adjustments are conveniently located on the front panel.
Extech 407228 is a Heavy Duty pH/ORP/Temperature meter that simultaneously displays pH or mV and Temperature on a large 1.4 inch LCD. It features 2 point Calibration and Slope adjustments, manual and auto temperature compensation, Min/Max/AVG, Auto power off, and Data Hold. A built-in RS-232 interface can be used with optional Data Acquisition Software and Datalogger. Comes complete with a mini pH electrode, temperature probe, 9V battery, protective holster, and case.
Features
– Kit includes pH/mV/Temperature meter, mini pH electrode, Temperature probe, and carrying case
– Dual display for pH or mV and Temperature (°C/°F)
– Large 1.4″ (36mm) LCD display
– Easy 2 point Slope and Cal adjustments at pH 4 and pH 7
– Manual and Auto Temperature Compensation using temperature probe
– Min/Max/Avg, Auto off and Data Hold
– Built-in RS-232 PC interface with optional Data Acquisition Software and Datalogger
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