Chemistry

Portable pH Meter Model STAR A221 - Complete Kit

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Description

Specifications

Parameters

Standards

Accessories

Suitable for different types of samples.
It has a backlit LCD display that shows the readings of: pH / mV and Temperature, as well as the cell status and calibration points.
Simple operation through guided on-screen menus with key indicators for the user.
AUTO-READ function.
Up to 5 pH calibration points with recognition of USA / NIST and DIN standards.
Stores up to 1000 readings in its non-volatile memory.
Data transfer (USB - RS232)
IP67 splash-proof protection.
 
The STAR A2215 model includes:
STAR A 221 pH Meter
ROSS pH/ATC triode electrode (OR8107UWMMD)
Standard solutions kit, boxes of 10 sachets pH 4, 7 and 10
Storage and cleaning solution
Carrying case.
Alkaline batteries (4 x AA).
Dimensions: 24cm x 10cm x 6.5cm (length x width x height)
Weight: 0.5 kg
Power supply: 4 AA alkaline batteries
Autonomy: 800hrs.
Inputs: BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Outputs: USB, RS232
Measuring modes: pH, mV, relative mV (RmV) or ORP with temperature
Calibration: pH, mV realtive (RmV), ORP, and Temperature.
Calibration points: 1 to 5
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 20,000
   Resolution: 0.1 / 0.01 / 0.001
   Accuracy: ± 0.002
   Calibration points: Up to 5 points.
mV/RmV:
   Range: ± 2000.0 mV
   Resolution: 0.1
   Accuracy: ± 0.2 mV or 0.05% of the reading
   ORP mode: Yes
Temperature:
   Range: -5 to 105 ºC
   Resolution: 0.1
   Accuracy: ± 0.1

pH, mV, relative mV (RmV) or ORP and Temperature

USP 791
IP 67

pH electrodes
pH patterns
Cleaning solution sachets
Rigid plastic suitcase
StarCom software
Other accessories available on request

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