Chapter 8
|
Customer Services
Orion Star A216 pH/RDO/DO Benchtop Meter Specifications
Measurement Channels
2 – Ch. 1: pH, mV, relative mV (RmV) or ORP with temperature
Ch. 2: dissolved oxygen as% saturation or mg/L with temperature
pH
Range
- 2.000 to 20.000
Resolution
0.1 / 0.01 / 0.001
Relative Accuracy ±0.002
Calibration Points
Up to 5
Calibration Editing Yes
Input Impedance
> 10^
12
ohms
Electrode Status
Onscreen indicator for good, fair or bad electrode status
mV / RmV
Range
±2000.0 mV
Resolution
0.1 mV
Relative Accuracy ±0.2 mV or ±0.05% of reading, whichever is greater
Relative mV Mode
Yes
E
H
ORP Mode
Yes
Dissolved
Oxygen
Polarographic
Concentration
% Saturation
Range
0 to 90 mg/L
0 to 600 %
Resolution
0.01 / 0.1 mg/L
0.1 / 1 %
Relative Accuracy ±0.2 mg/L or ±2% of reading,
whichever is greater
±2 % saturation or ±2% of
reading, whichever is greater
RDO Optical
Concentration
% Saturation
Range
0 to 50 mg/L
0 to 500 %
Resolution
0.01 / 0.1 mg/L
0.1 / 1 %
Relative Accuracy
±0.1 mg/L up to 8 mg/L,
±0.2 mg/L 8 to 20 mg/L,
±10% of reading up to 50 mg/L
±2 % saturation ≤ 200 %
saturation, ±10 % saturation
> 200 % saturation
Barometric
Pressure Correction
400 to 850 mmHg, automatic using built-in barometer (±6 mmHg)
or manual entry
Salinity Correction 0.0 to 45.0 ppt, automatic using manual entry of sample salinity
Calibration Types
Water-saturated air, air-saturated water, manual, zero point
Compatible Sensors Polarographic, RDO optical
Temperature
Range
0 to 50 °C, 32 to 122 °F
Resolution
0.1 °C, 0.1 °F
Relative Accuracy ±0.1 °C
Offset Calibration
1 point
Source Options
Manual or automatic with ATC probe or built-in temp. sensor
Sensor
Inputs
BNC
pH or ORP electrode
Pin Tip
Reference electrode
8 pin MiniDIN
ATC temperature probe
9 pin MiniDIN
Dissolved oxygen sensor with built-in temperature
Note: All specifications are subject to change without notice.
Thermo Scientific
Orion Star A210 Series Benchtop Meter User Manual
|
105
Summary of Contents for Orion Star A210 Series
Page 5: ......
