Thermo Scientific™ Orion Star™ A122 Conductivity Portable Meter

Take simple conductivity, TDS and temperature measurements with this conductivity portable meter with easy operation for basic field testing.

Take simple, routine conductivity, total dissolved solids (TDS) and temperature measurements with the Thermo Scientific™ Orion Star™ A122 Conductivity Portable Meter. This instrument, intended for basic conductivity analysis in the field, is easy-to-use and budget-friendly. Obtain temperature compensated readings using linear option with 20°C or 25°C reference temperatures. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. This waterproof meter has an IP67-rated housing for rugged protection in outdoor environments.

Thermo Scientific Orion Star A122 conductivity portable meters are a simple, economical solution for your routine outdoor sample analysis. Featuring an emphasized measure key, selectable read modes and measurement stability indicator, our basic Orion Star A122 conductivity meters are designed to deliver measurements you can trust at an affordable price.

• Measure conductivity or TDS with temperature
• Perform a one point automatic or manual calibration 
• Auto-ranging conductivity values offer consistent readings across entire measurement range
• Use linear temperature compensation with 20°C or 25°C reference temperatures
• Simplified, easy-to-read display shows main measurement with temperature, stability indicator and electrode condition icon
• User-friendly operation with basic calibration text prompts 
• Easily recall calibration data for procedure checks 
• Non-volatile memory preserves 50 point internal data log and meter settings, even with loss of power
• Flexible power options with AA batteries or optional universal power adapter 
• IP67-rated housing is waterproof for rugged field operation 
• Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand 
• Meters offer CE, TUV 3-in-1 and FCC Class A certifications and 3-year replacement warranty

Description

Orion Star A122 conductivity/TDS portable meter

Accuracy (Conductivity)

0.5% of reading ±1 digit

Outputs

None

Includes

Star A122 conductivity meter, 4 AA batteries, literature CD, printed quick start guide and meter test certificate

Measurement Modes

Conductivity, TDS with Temperature

Compatible Probes

2-cell or 4-cell conductivity sensors with built-in temperature

Cell Constant

0.001 to 10cm-1

Calibration

Conductivity and temperature

Calibration Points (Conductivity)

1

Range (Conductivity)

0.01 μS/cm to 200.0 mS/cm

Resolution (Conductivity)

0.01 μS minimum, auto ranging up to 3 significant digits

Temperature Compensation

Linear

Temperature (Metric) Reference

20, 25°C

Range (TDS)

1 to 19,999 mg/L

Resolution (TDS)

1 mg/L

Accuracy (TDS)

0.5% of reading ±1 digit

TDS Factor Range

Linear (0.02 to 9.99)

Temperature Range (Metric)

-5°C to +105°C

Resolution (Temperature)

0.1°C (0.1°F)

Accuracy (Temperature)

±0.1°C

Temperature Selection

Manual or automatic with ATC temperature probe

Temperature Probe Calibration

1 point temperature offset calibration

Display Type

LCD

Memory

Non-volatile memory preserves log and settings

Data Points

50

Log Function Type

Automatic data logging with Auto-Read measure mode; manual data logging with Continuous measure mode

Data Management Details

Internal data point memory

Inputs

8 pin MiniDIN (conductivity sensor with built-in temperature)

Certifications/Compliance

CE, TUV 3-1, FCC Class A

IP Rating

IP67

AC Adapter

Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)

Dimensions (L x W x H)

24 x 10 x 6.5 cm (9.5 x 3.9 x 2.6 in.)

Weight (Metric)

0.5 kg

Weight (English)

2 lb.

Warranty

3 Year Meter

Probe Type

Conductivity sensor (purchase separately)

Relative Humidity Range

5 to 85%, non-condensing

Model

Orion Star A122 Conductivity/TDS/Temperature Portable Meter

Power Supply

4 AA batteries (included) or universal AC adapter (sold separately)

Stability

Smart Stability and Smart Averaging

Keypad

Simple with highlighted measure key, scroll and shortcut keys

Languages

English

Temperature (English) Operating

41°F to 113°F (ambient)

Temperature (Metric) Operating

5°C to 45°C (ambient)

Channels

1

Battery Type

4 x AA (included)

Battery Life

2000 hr.