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SPECIFICATIONS HI 8720
HI 931500
Range
0.00 to 14.00 pH
Resolution
0.01 pH
Accuracy
±0.02 pH
Typical EMC
±0.1 pH
Deviation
±0.2 mA
Installation Cat.
II
Input
10
12
Ohm
Calibration
Offset: ±2 pH
∆
O trimmer
Slope: 80 to 110% Slope trimmer
Temperature
Fixed or automatic with PT100
Compensation
from 0 to 100°C
Readout
4-digit LCD plus graphic symbols
Recorder Output
0 to 20 mA or 4 to 20 mA
Set Point Relay
One, Isolated, 2 A, max 240 V,
resistive load, 1.000.000 strokes
Power Supply
110/115 V or 220/240 V; 50/60 Hz
Environment
-10 to 50°C (14 to 122°F)
Weight
1 kg (2.2 lb.)
SPECIFICATIONS HI 931500
HI 8720E
HI 8720T
Range
-1000 to +1000 mV
Resolution
1 mV
Accuracy
±5 mV
±0.5%
Typical EMC
±6 mV
±6 mV
Deviation
±0.2 mA
±0.2 mA
Installation Cat.
II
Input
10
12
Ohm
4 to 20 mA
Calibration
Slope: 90 to 110% Slope trimmer
Set Point Relay
One, Isolated, 2 A, max 240 V,
resistive load, 1.000.000 strokes
Alarm Relay
One, Isolated, 2 A, max 240 V,
resistive load, 1.000.000 strokes
Readout
4-digit LCD plus graphic symbols
Recorder Output 0 to 20 mA or 4 to 20 mA (isolated)
Power Supply
110/115 V or 220/240 V; 50/60 Hz
Environment
-10 to 50°C (14 to 122°F)
Weight
1 kg (2.2 lb.)