Analyze • Detect • Measure • Control™

Orion 2-Star

Benchtop pH Meter

The new Orion 2-Star pH meter

offers ease of use with simple

three button operation and is value

priced for your general purpose pH

measurements in the lab.

Value Priced pH Meter for General Purpose Applications

• 1, 2 or 3 point calibration

• Simple push button keypad

• Auto calibration for USA/EURO buffers

• Order complete kit or meter only

• 3 year replacement warranty

What’s new compared to the previous Orion 410Aplus and 420Aplus

2-Star Features

2-Star Benefits

Pullout quick start guide

Rapid setup for sample measurement

Electrode condition indicator

Monitors electrode slope

Auto buffer recognition

Improved to add new Orion pH 1.68, 6.86, 9.18 and 12.46 buffers

Smart Averaging

™

Faster response time, better accuracy and precision without user

intervention

Convenient packages

Packages tailored to your application needs

TRIS buffer compatible package For Life Science applications

Universal power adapter

For worldwide operation and ease of ordering

Orion 2-Star pH Specifications

Orion 2-Star pH Specifications vs. previous Orion models

(blue highlight = enhanced feature)

Orion 2-Star pH Kit Ordering Information

Kit Cat. No.

w/ Stand

Kit Cat. No.

w/o Stand

Electrode / Probe

Electrode / Probe Features & Benefits

1111000 Orion 2 Star meter only

1111001 None 9157BNMD – Refillable epoxy Triode

™

, pH/ATC,

4, 7 & 10 buffers and stand

3-in-1 real time temperature compensation for better stability, longer electrode life –

with unbreakable body.

1111201 1111101 9165BNWP – Epoxy Sure-Flow

®

pH

Electrode stability (low drift, very good equilibration), good precision, rapid push button cleaning, unbreakable body.

1111202 1111102 9157BNMD – Refillable epoxy Triode, pH/ATC 3-in-1 temperature compensation for better stability and convenience with unbreakable body.

1111203 1111103 9156APWP – Epoxy body AquaPro pH (gel)

double junction

Low maintenance, fast response, good accuracy, unbreakable body. TRIS buffer compatible. Electrode has no

porous junction to plug when used in difficult samples.

1111204 1111104 9142BN – Refillable glass pH & stainless body

ATC 927007MD

Refillable pH electrode offers economical value and longer life. The stainless steel ATC stands up to the most

rigorous testing conditions.

1111205 1111105 9142BN – Refillable glass pH

Refillable pH electrode offers economical value and longer life.

1111206 1111106 9145BN – Epoxy gel pH

Affordable low maintenance, requires no filling solution, unbreakable body.

1111207 1111107 9107BNMD – Epoxy gel Triode

Best buy package that includes 3-in-1 low maintenance probe with unbreakable body.

1111208 1111108 9107APMD – Epoxy gel double junction TRIS

compatible Triode

Best buy for Life Science applications – 3-in-1 good accuracy, unbreakable body, TRIS buffer compatible.

Specs

420APlus

410APlus

2-Star

Parameters

pH/mV/ORP/temperature

pH/temperature

pH/mV/ORP/temperature

pH

Range

- 2.000 to 19.999

- 2.000 to 19.999

0.000 to 14.000

Resolution

0.001/0.01/0.1

0.001/0.01/0.1

0.001/0.01/0.1

Relative accuracy

± 0.005

± 0.005

± 0.002

SMART STABILITY

™

Yes

Yes

Yes

SMART AVERAGING

™

–

–

Yes

Slope

80 to 120 %

80 to 120 %

80 to 120 %

Auto buffer recognition

4.01, 7.00, 10.01

4.01, 7.00, 10.01

4.01, 7.00, 10.01 / 1.68, 6.86, 9.18, 12.46

Calibration points

1, 2 or 3

1, 2 or 3

1, 2 or 3

Selectable calibration sets –

–

Yes, USA or EURO

Custom buffers accepted

Yes

Yes

Yes

Temperature

Temperature range

- 5.0 to 105.0 ºC

- 5 to 105 ºC

- 5.0 to 105.0 ºC

Resolution

0.1 ºC

0.1 ºC

0.1 up to 99.9 ºC, 1.0 over 99.9 ºC

Relative accuracy

± 0.1 ºC

± 0.1 ºC

± 0.1 °C

Millivolts

Millivolt range

± 1600.0 mV

–

± 1999.9 mV

ORP mode with E

H

autocalibration

to standard hydrogen electrode

–

–

Yes

Resolution

0.1 mV

–

0.1 mV

Relative accuracy

± 0.2 mV or 0.05% of reading,

whichever is greater

–

± 0.2 mV or 0.05% of reading,

whichever is greater

Relative millivolts

Relative millivolt range

± 1999.9 mV

–

± 1999.9 mV

Resolution

0.1 mV

–

0.1 mV

Relative accuracy

± 0.2 mV or 0.05% of reading,

whichever is greater

–

± 0.2 mV or 0.05% of reading,

whichever is greater

Custom LCD Display

Simultaneous display of selected

measurement and temperature

Simultaneous display of pH and

temperature

Simultaneous display of selected measurement and

temp, cal. points, and current electrode condition

Inputs

BNC, pin tip ref, 8 pin DIN ATC, power BNC, pin tip ref, 8 pin DIN ATC, power BNC, ATC miniDIN locking, power

Outputs

RS232

RS232

RS232

Power requirements

AC line, 110 V, 220 V or 240 V

AC line, 110 V, 220 V or 240 V Universal AC line voltage or 4 AA batteries

Agency Approvals

CE, CSA, UL

CE, CSA, UL

CE, CSA, UL, TUV, FCC Class A limits

Environmental Requirements

5 to 45 ºC and 5 to 85% relative

humidity, non-condensing”

5 to 45 ºC and 5 to 85% relative

humidity, non-condensing

5 to 45 ºC and 5 to 85% relative humidity,

non-condensing

GLP Features

# of datalogging points

–

–

Cal. data storage and output 50 points by time,

stability or manual reading with time/date stamp

Advanced self test and diagnostics –

–

Yes

GLP electrode verification

–

–

Yes

IP rating

IP54, splashproof and dustproof IP54, splashproof and dustproof IP54, splashproof and dustproof

Warranty

36 months (from date of purchase) 36 months (from date of purchase) 36 months (from date of purchase)

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