User Guide

76
FUNCTIONAL DESCRIPTION pH 301
THE FRONT PANEL
• ON to turn the meter on
• OFF to turn the meter off
• Power LED to confirm the meter is on
ON
ON
OFF
OFF
0.00/0.000
0.00/0.000
CFM
LOG
LOG
CAL DATA
CAL DATA
mV
mV
TIME
pH
pH
CAL
ION
ION
DATE COMM
°C
°C
RANGE
°C
°C
pH / ION
METER
pH / ION
METER
pH301
pH301
m
m
s
s
1
1
2
2
3
3
Rel mV
Rel mV
mV
mV
°C
°C
ppm
ppm
ppm
ppm
pH
pH
pH
pH
DATE
DATE
TIME
TIME
INTV
INTV
CAL
CAL
LOG
LOG
MEM
MEM
CFM
CFM
WRONG
WRONG
BUF
BUF
SPECIFICATIONS pH 300
Range pH 0.00 to 14.00
ISE ±399.9 mV
ORP ±1999 mV
°C -9.9 to 120.0
Resolution pH 0.01
ISE 0.1 mV
ORP 1 mV
°C 0.1
Accuracy pH ±0.01
(@20°C/68°F) ISE ±0.2 mV
ORP ±1mV
°C ±0.5
Typical EMC pH ±0.01
Deviation ISE ±0.6 mV
ORP ±1 mV
°C ±0.5
pH Calibration Automatic 1 or 2 points with
3 memorized buffers
(4.01, 7.01, 10.01)
pH Offset Max ±60mV or ±1pH
pH Slope 70-108%
Temperature Automatic 1 or 2 points with
Calibration 2 memorized values
(0 and 50°C)
Temperature Automatic or manual
Compensation from -9.9 to 120°C (14 to 248°F)
Electrode HI1131B glass body combination
refillable pH electrode (included)
Temperature HI 7669/2W with 1 m
probe (3.3') cable (included)
Input impedance 10
12
Ω
Computer RS 232 (optoisolated)
Interface
Power supply 12 VDC (CSA, UL & CE approved)
Environment 0 to 50°C (32 to 122°F); 95% RH
Dimensions 280x200x75mm (11x7.9x3")
Shipping Weight 1.3 kg (2.9 lb.)