TOC analytical method in cleaning validations: criteria, limits and robustness of the process
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Portable pH Meter model STAR A121 - Complete Kit
Description
Specifications
Parameters
Standards
Accessories
Suitable for routine and simple measurements.
It has a backlit LCD display that simultaneously shows pH / mV and temperature readings, as well as cell status and calibration points.
Simple operation through guided on-screen menus with key indicators for the user.
AUTO-READ function.
Up to 3 pH calibration points with recognition of USA / NIST and DIN standards.
Stores up to 50 readings in its non-volatile memory.
IP67 splash-proof protection.
The STAR A1215 model includes:
STAR A121 pH Meter
TRIODO pH/Temperature Electrode (OR9107BNMD)
Standard solutions kit for pH 4, 7 and 10.
Storage solution
Carrying case.
Alkaline batteries (4 x AA).
Dimensions: 24 cm x 10 cm x 6.5 cm (length x width x height)
Weight: 0.5 kg
Power supply: 4 AA alkaline batteries
Autonomy: 2000 hr.
Inputs: BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe)
Outputs: None
Measuring modes: pH, mV, relative mV (RmV) with temperature
Calibration: pH, relative mV (RmV), ORP and Temperature
Calibration points: 1 to 3
Channels: 1
Operating temperature: 5°C to 45°C (ambient)
Temperature probe calibration: 1-point temperature compensation calibration
Temperature selection: manual or automatic with ATC temperature probe
Parameter specifications:
pH:
Range: -2,000 to 16,000
Resolution: 0.1 / 0.01
Accuracy: ± 0.002
Calibration points: Up to 3 points.
mV/RmV:
Range: mV: ± 1600.0 mV
RmV: ± 1999.9 mV
Resolution: 0.1
Accuracy: ± 0.2 mV or 0.05% of the reading
Temperature:
Range: -5 to 105 ºC
Resolution: 0.1
Accuracy: ± 0.1
Compensation: Automatic or manual
pH, mV / RmV and T
USP 791
IP 67
pH patterns
Cleaning solution sachets
Rigid plastic suitcase
AC adapter: universal 100-240 VAC
Other accessories available on request
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