Orion™ Star™ A221 pH Portable Meter, Thermo Scientific

About this item

Reliably measure pH, mV, ORP and temperature with the Orion™ Star™ A221 pH Portable Meter for advanced field analysis and printer or computer interfacing.

Perform up to a five point pH calibration using automatic buffer recognition of NIST or DIN buffer groups
Informative, easy-to-read backlit graphic display with clear on-screen instructions simplifies operation
Capture critical readings with measurement stability indicator and selectable read modes
Auto-Read mode holds a stable reading and Continuous mode shows changing readings with hold option
Three-year meter warranty

Record accurate and reliable pH, mV, ORP, and temperature measurements with the Orion™ Star™ A221 pH Portable Meter, ideal for a wide range of applications and advanced pH analysis in the field.

These portable meters are designed to provide the reliability needed in a user-friendly package for dedicated pH testing needs. This waterproof portable meter displays critical data with measurements including temperature, date and time, read type, measurement stability, active calibration information, and power source status. Flexible power options with AA batteries or optional universal power adapter. Non-volatile meter memory ensures data and settings are protected, even with loss of power.

Perform up to a five point pH calibration, log up to 1000 data point sets with time or date stamp, and easily transfer calibration and data logs via USB or RS232 to a printer or computer with free downloadable Orion™ Star Com software. Waterproof meter ensures durable, rugged performance in outdoor environments with an IP67-rated housing.

Certifications: CE, TUV 3-1, FCC Class A.

Ordering information: For compatible pH electrode, see item 97015-740. For compatible buffer solutions and kits, see items 34175-510, 34175-512, and 34175-514.

Restricted Products: To process your orders without delay, please provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide ID that includes your business name & shipping address via email [email protected] or fax 484.881.5997 referencing your VWR account number. Acceptable forms of ID are:

• State issued document with your organization's Federal Tax ID Number
• State issued document with your organization's Resale Tax ID Number
• City or County issued Business License
• State Department of Health Services License
• Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. Avantor will not lift restrictions for residential shipping addresses.

Specifications

Catalog No:
76076-744
76076-742
76076-748
89206-306
89206-308

pH Range:
-2.000 – 20.000 pH
-2.000 – 20.000 pH
-2.000 – 20.000 pH
-2.000 – 20.000 pH
-2.000 – 20.000 pH

pH Resolution:
0.1, 0.01, 0.001 pH
0.1, 0.01, 0.001 pH
0.1, 0.01, 0.001 pH
0.1, 0.01, 0.001 pH
0.1, 0.01, 0.001 pH

pH Accuracy:
±0.002 pH
±0.002 pH
±0.002 pH
±0.002 pH
±0.002 pH

mV range:
±2000.0 mV
±2000.0 mV
±2000.0 mV
±2000.0 mV
±2000.0 mV

mV resolution:
0.1 mV
0.1 mV
0.1 mV
0.1 mV
0.1 mV

mV accuracy:
±0.2 mV or ±0.05% of reading whichever is greater
±0.2 mV or ±0.05% of reading whichever is greater
±0.2 mV or ±0.05% of reading whichever is greater
±0.2 mV or ±0.05% of reading whichever is greater
±0.2 mV or ±0.05% of reading whichever is greater

Temperature Resolution:
0.1 °C, 0.1 °F
0.1 °C, 0.1 °F
0.1 °C, 0.1 °F
0.1 °C, 0.1 °F
0.1 °C, 0.1 °F

Temperature Accuracy:
±0.1 °C
±0.1 °C
±0.1 °C
±0.1 °C
±0.1 °C

Display:
Graphic LCD with backlight
Graphic LCD with backlight
Graphic LCD with backlight
Graphic LCD with backlight
Graphic LCD with backlight

Battery Type:
Four AA (included)
Four AA (included)
Four AA (included)
Four AA (included)
Four AA (included)

Battery Life:
800 hours
800 hours
800 hours
800 hours
800 hours

Power supply:
4 AA batteries (included) or universal AC adapter (sold separately), 90 - 240 V
4 AA batteries (included) or universal AC adapter (sold separately), 90 - 240 V
4 AA batteries (included) or universal AC adapter (sold separately), 90 - 240 V
4 AA batteries (included) or universal AC adapter (sold separately), 90 - 240 V
4 AA batteries (included) or universal AC adapter (sold separately), 90 - 240 V

Operating Temperature Range:
5…45 °C (41…113 °F)
5…45 °C (41…113 °F)
5…45 °C (41…113 °F)
5…45 °C (41…113 °F)
5…45 °C (41…113 °F)

Data Logging Capacity:
1000 with time/date stamp
1000 with time/date stamp
1000 with time/date stamp
1000 with time/date stamp
1000 with time/date stamp

Memory:
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)

Languages:
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)
English, Spanish, French, Italian, German, and Chinese (Portuguese and Korean available with software update)

IP Rating:
IP-67
IP-67
IP-67
IP-67
IP-67

Dimensions:
24L×10W×6.5H cm (9.5×3.9×2.6")
24L×10W×6.5H cm (9.5×3.9×2.6")
24L×10W×6.5H cm (9.5×3.9×2.6")
24L×10W×6.5H cm (9.5×3.9×2.6")
24L×10W×6.5H cm (9.5×3.9×2.6")

Outputs:
USB, RS232
USB, RS232
USB, RS232
USB, RS232
USB, RS232

Input:
BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)

Alarm:
Calibration due alarm (fixed 12 hour)
Calibration due alarm (fixed 12 hour)
Calibration due alarm (fixed 12 hour)
Calibration due alarm (fixed 12 hour)
Calibration due alarm (fixed 12 hour)

No. of Channels:
1
1
1
1
1

Calibration:
pH, relative mV (RmV), ORP, and temperature
pH, relative mV (RmV), ORP, and temperature
pH, relative mV (RmV), ORP, and temperature
pH, relative mV (RmV), ORP, and temperature
pH, relative mV (RmV), ORP, and temperature

Calibration Points:
1 point relative mV (RmV) mode; 1 point ORP mode; 1 to 5 points pH mode
1 point relative mV (RmV) mode; 1 point ORP mode; 1 to 5 points pH mode
1 point relative mV (RmV) mode; 1 point ORP mode; 1 to 5 points pH mode
1 point relative mV (RmV) mode; 1 point ORP mode; 1 to 5 points pH mode
1 point relative mV (RmV) mode; 1 point ORP mode; 1 to 5 points pH mode

Weight:
0.5 kg (1.2 lbs.)
0.5 kg (1.2 lbs.)
0.5 kg (1.2 lbs.)
0.5 kg (1.2 lbs.)
0.5 kg (1.2 lbs.)

Specifications

Related Information

Datasheet

Thermo Scientific Orion STARA221 Meters