Hanna Instruments ph 301 ユーザーズマニュアル
13
12
1. Reference Electrode Connector (Ø 4 mm)
2. BNC socket for measurement electrode
3. Socket for Temperature Probe
4. Reset Button
5. DC Power Socket (for HI710005 or
HI710006)
6. RS 232 Connector
THE REAR PANEL
LCD FUNCTIONAL DESCRIPTION
MEASUREMENT
ELECTRODE
REFERENCE
ELECTRODE
ELECTRODE
TEMPERATURE
PROBE
RESET
12VDC
RS 232
ooooo
oooo
1
2
3
4
5
6
m
s
s
1
2
3
2
3
Rel mV
mV
°C
ppm
ppm
pH
pH
DATE TIME
INTV
CAL
LOG
LOG
MEM
CFM
WRONG
BUF
Primary Display
Secondary Display
SPECIFICATIONS pH 302
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
±0.3 mV
ORP
±1 mV
°C
±0.5
pH Calibration
Automatic 1, or 2 points with
3 memorized buffers
(4.01,7.01,10.01)
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)
(for pH only)
Electrode
HI 1131B glass body combination
refillable pH electrode (included)
Temperature
HI 7669/2W with 1 m
probe
(3.3') cable (included)
Input impedance
10
12
Ω
Printer
Dot matrix, 44mm wide paper
Languages
English, German, French,
Spanish, Italian & Swedish
PC Interface
RS 232 (optoisolated)
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.)