Specifications
General Specifications
Display
Dual function LCD with contrast adjust
1012 ohms
Input impedance
Temp. compensation for pH
pH electrode compatibility
Data hold
Automatic and manual 32 to 149°F (0 to 65°C)
Any combination pH electrode with BNC connector
Freezes displayed reading
Memory recall
Records / Recalls MAX (maximum), MIN
(minimum), and AVG (average) readings
Auto Power OFF
PC Interface
Meter powers off after 10 minutes
Serial RS-232 Communication
Over range indication
Sampling time
Operating conditions
Power supply
All dashes on display "- - - -"
Approximately 0.8 seconds
32°F to 122°F (0°C to 50°C); < 80% RH
9V battery (power consumption 5.7mA approx.)
0.59 lbs. / 270g (including batteries)
7.1 x 2.8 x1.3" (180 x 72 x 32mm)
Weight
Dimensions
Optional accessories
ORP Electrode, AC adaptor, datalogger, and data
acquisition WindowsTM software
Range Specifications
Measurement
pH
Range
Resolution
0.01 pH
1 mV
Accuracy (of reading)
± (0.03 pH + 2 digits)
± (0.5% + 1 digits)
± 1oC
0 to 14 pH
±1999 mV
0 to 50oC
mV
Temperature (oC)
0.1oC
50 to 65oC
32 to 122oF
122 to 149oF
± 4oC
Temperature (oF)
0.1oF
± 1.8oF
± 7.5oF
Meter Description
1
2
1. pH Electrode input (BNC jack)
2. RS-232 PC Interface jack
3. LCD display
4. Keypad
5. pH Electrode
6. Calibration potentiometers
7. Temperature sensor input jack
8. LCD Contrast adjustment wheel
9. Protective rubber holster
7
8
9
3
4
5
6
10
10. Battery compartment and tilt stand (rear)
Page 2
Model 407227 Ver. 2.1 Oct. 2002