Hanna Instruments HI 9321 User Manual
Page 6

6
SPECIFICATIONS HI 9321
& HI 931400
Range
pH
0.00 to 14.00
ISE
±399.9 mV
ORP
±1999 mV
°C
0.0 to 100.0
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
±0.02
Deviation
ISE
±0.5 mV
ORP
±1 mV
°C
±2
pH Calibration
Automatic 1 or 2 points with 5 memorized buffers
(4.01, 6.86, 7.01, 9.18, 10.01)
Temperature
Automatic or manual
Compensation
from 0 to 100°C (32 to 212°F)
Electrode
HI 1131B glass-body combination
refillable pH electrode (included)
Temperature probe
HI 7669/2W (included)
Input impedance
10
12
Ω
Computer Interface
opto-isolated RS 232C (HI 931400 only)
Power supply
12 VDC (CSA, UL & CE approved) (included)
Environment
0 to 50°C (32 to 122°F)
max. 95% RH non-condensing
Dimensions
230x170x70 mm (9.1x6.7x2.7")
Weight
1.3 kg (2.9 lb.); kit with holder: 3.2 kg (7 lb.)