- -
58
HD2205.2
T
ECHNICAL
C
HARACTERISTICS
pH
-
mV
-
°C
-
°F
MEASUREMENT
Measured quantities
pH - mV
°C - °F;
Connections
Input for the temperature probes
with SICRAM module
5
8-pole male DIN45326 connector
pH/mV inputs
1
-
2
Female
BNC
Socket for the reference electrode
∅
4mm standard plug
Inputs
3
and
4
SICRAM module pH/temperature 8-pole male DIN45326 connector
Serial interface
DB9 connector (male 9-pole)
USB interface
USB connector type B
Bluetooth
Optional
Mains power supply
2-pole connector (Ø5.5mm-2.1mm). Posi-
tive at centre.
Power supply socket for the electrode holder with
built-in magnetic stirrer
2-pole connector (Ø5.5mm-2.1mm). Positive
at centre (12Vdc/200mA max. output).
•
Measurement of pH by Instrument
Measurement range
-9.999…+19.999pH
Resolution
0.01 or 0.001pH selectable from menu
Accuracy
±
0.001pH
±
1digit
Input impedance
>10
12
Ω
Calibration error @25°C
|Offset| > 20mV
Slope > 63mV/pH or Slope < 50mV/pH
Sensitivity > 106.5% or Sensitivity < 85%
Calibration points
Up to 5 points selected among 13 auto-
matically detected buffer solutions
Temperature compensation
-50...150°C
Standard solutions detected
automatically @25°C
1.679pH - 2.000pH - 4.000pH - 4.008pH -
4.010pH - 6.860pH - 6.865pH - 7.000pH -
7.413pH - 7.648pH - 9.180pH - 9.210pH -
10.010pH
Measurement of mV by Instrument
Measurement range
-1999.9…+1999.9mV
Resolution 0.1mV
Accuracy
±
0.1mV
±
1digit
Drift after 1 year
0.5mV/year
Summary of Contents for HD2205.2
Page 78: ...78...