Thermo Scientific Orion Star A320 Series Manual page 112

Chapter 8 Customer Services
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112 Orion Star A320 Series Portable Meter User Manual
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Orion Star A329 pH/ISE/Conductivity/RDO/DO Portable Meter Specifications
Measurement Channels
Range
Resolution
Relative Accuracy
pH Calibration Points
Calibration Editing
Input Impedance
Electrode Status
Range
Resolution
Relative Accuracy
ISE (Ion Units
Concentration)
Calibration Points
Calibration Editing
Advanced Features
Range
Resolution
mV / RmV Relative Accuracy
Relative mV Mode
E ORP Mode
H
Range
Resolution
Relative Accuracy
Conductivity
Reference Temp.
Temp. Comp.
Calibration Points
Range
Resolution
Salinity
Relative Accuracy
Type
Range
Resolution
TDS
Relative Accuracy
TDS Factor
Range
Resistivity Resolution
Relative Accuracy
3 – Ch. 1: pH, mV, RmV, ORP or ISE with temperature
Ch. 2: conductivity, salinity, TDS or resistivity with temperature
Ch. 3: dissolved oxygen as % saturation or mg/L with temperature
- 2.000 to 20.000
0.1 / 0.01 / 0.001
±0.002
Up to 5
Yes
> 10^ ohms
12
Onscreen indicator for good, fair or bad electrode status
0.0001 to 19900
0.0001 minimum, 1 to 3 significant digits (user selectable)
±0.2 mV or ±0.05% of reading, whichever is greater
ppm, Molar, mg/L,%, ppb, none
Up to 5
Yes
Segmented (point-to-point) slope, non-linear selectable auto-
blank, low concentration range stability
±2000.0 mV
0.1 mV
±0.2 mV or ±0.05% of reading, whichever is greater
Yes
Yes
0.001 μS to 3000 mS
0.001 μS minimum, auto ranging, up to 4 significant digits
0.5% of reading ±1 digit > 3 μS, 0.5% of reading ±0.01 μS ≤ 3 μS
5 °C, 10 °C, 15 °C, 20 °C, 25 °C
Linear, nonlinear nLFn, nonlinear nLFu, EP (USP), off
Up to 5 with calibration editing option
0.06 to 80.00 psu, 0.05 to 42.00 ppt
0.01 psu or 0.01 ppt minimum, auto ranging
0.5% of reading ±1 digit
Practical salinity (psu) or natural sea water (ppt)
0.001 to 200.0 ppm
0.001 ppm minimum, auto ranging, up to 4 significant digits
0.5% of reading ±1 digit
Linear (0.02 to 9.99)
2 Ω to 100 MΩ
1 Ω or 0.1 MΩ, auto ranging
0.5% of reading ±1 digit
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