With a large, custom-size LCD screen, the Alpha pH 550 provides clear visuals even in dark ambients. Monitor automatically recognizes US and NIST buffers for easy calibration, and is flexibly designed for panel mounting or wall mounting.
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Measures and displays pH/ORP with temperature simultaneously
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Symmetrical Mode option gives clear, accurate readings in electrically noisy ambient
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Push button operation for easy set-up programming
and customization
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US and NIST auto buffer recognition for quick,
easy calibration
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Reliable, accurate measurements at different temperature with Automatic Temperature Compensation
Specifications
Product
Specification
Description
pH
Range
0.00 to 14.00 pH
Resolution
0.01 pH
Accuracy
±0.01 pH
ORP
Range
-1000 to 1000 mV
Resolution
1 mV
Accuracy
±1 mV
Temperature
Range
-10.0 to 125.0 ºC / 14.0 to 157.0 ºF
Resolution
0.1 ºC / 0.1 ºF
Accuracy
±0.5 ºC / ±0.9 ºF
Sensor
Pt100; 2 or 3 wire
Compensation
Auto/manual
Electrical
Data And Connections
pH/ORP Input
2-pin terminal; asymmetrical/symmetrical
Connection Terminal
2-pin & 8-pin terminal, detachable blocks; DC jack
Display
LCD
7 segments display with symbols for status information
Power
Supply
Input
12 to 24 V DC or 9 V DC
EMC Specifications
Emitted Interference
According to EN 61326
Immunity
To Interference
According to EN 61326
Environmental Conditions
Operating Temperature Range
0 to 40 ºC
Max. Relative Humidity
80 % up to 31 ºC decreasing linearly to 50 %
at 40 ºC
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