A221 pH Portable Meter blank display

Orion Star A221 pH Portable Meter Kit

  • Mid Range pH Applications pH measurement range from -2.000 to 20.000

  • Non-Volatile Memory Memory capacity to store up to 1000 time and date stamped readings

  • Easy to Use Features a large, easy to read LCD display and screen prompts

  • Warranty A221 is covered by a 3 year meter replacement warranty

The Thermo Scientific Handheld Orion Star A221 pH Portable Meter allows you to get the readings you want wherever you need to get them. It's waterproof and protected with an IP67 rated housing making it truely portable.

The handheld A221 is easy to use and features a large, graphic LCD display with backlight which displays pH/mV/RmV and temperature along with the time, electrode status and calibration points. Its plain language screen prompts, soft keys which update for easy selection and a multi-language interface means anyone can use this meter.

To avoid missing a reading, the AUTO-READ™ function locks in the stable reading on the display and the ready indicator alerts. It can also provide up to 5 point pH calibration with automatic recognition for USE/NIST and DIN buffers.

Up to 1000 data points with time and date stamp can be held by the A221s non-volatile memory. The data gathered can be easily transferred using the with the USB and RS232 ports and complimentary data analysis software. The same ports and software can also be used to update the meter software.

The portable A221 pH Meter is powered by four AA batteries which provide 800 hours of operation. A universal power adapter is also available to use AC power.

The A221 meter comes with a 3 year meter replacement warranty.

Includes:

  • - Orion Star A221 pH Portable Meter
  • - 8107UWMMD ROSS Gel-filled Epoxy pH/ATC Triode with 3 Meter Cable
  • - 910410 pH 4.01 Buffer Pouches; 910710 pH 7.00 Buffer Pouches
  • - 911010 pH 10.01 Buffer Pouches; 810001 ROSS Electrode Storage Solution, 475mL
  • - 911110 Rinse Solution Pouches
  • - STARA-CS Star A Portable Meter Hard Carrying Case
  • - STARA-AR Star A Portable Meter Armor with Stand and Electrode Holders

Manufactured by: Thermo Scientific
Model: Orion Star A221 pH Portable Meter Kit

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance

Applications

  • Mid range pH monitoring
  • ORP testing
pH
Range -2.000 to 20.000
Resolution 0.1, 0.01, 0.001
Relative accuracy ±0.002
Calibration points Up to 5
mV/RmV
Range ±2000.0 mV
Resolution 0.1
Relative accuracy ±0.2 mV or ±0.05% of reading whichever is greater
EH ORP mode Yes
Temperature
Range -5 to 105°C, 23 to 221°F
Resolution 0.1
Relative accuracy ±0.1
Offset calibration 1 point
Datalogging
Number of points 1000 with time and date stamp
Log function Manual, automatic with AUTO-READ™
Log edit Delete last reading or all
Inputs
pH electrode BNC, reference pin
ATC probe 8-pin mini-DIN
Output
Output RS232, USB
Power
AC adapter Optional - universal, 100-240 VAC
Battery power Included - 4 AAs
Battery life 800 hrs

Files and software available to download:

Specification
Manual