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Starter Pen Meters
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Water Analysis Meters & Electrodes
Starter Pen Meters
Compact Design for Fast, Convenient Electrochemistry Measurement At Your Fingertips
After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.
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Models
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Details
Features
Starter Pen Meters Features
Small, economical pen meters offer simple, fast, and straightforward operation.
With durable IP67 waterproof ABS housing, protective sensor cap, and an automatic shutdown feature that preserves battery life, OHAUS pen meters can endure consistent use in rough, wet environments.
Equipped with a wrist strap to prevent accidental drop and damage.
Models
Starter Pen Meters Models
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Meter Type
Conductivity
Conductivity;pH;Salinity
Dissolved Oxygen
ORP
pH
Salinity
TDS
TDS;Conductivity;pH
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Measurement Range
0 – 1999 μs/cm
0.0 – 10.0 ppt
0.0 – 10.0 ppt;0.0 – 99.0 °C;0.00 – 14 pH;0.00 – 19.99 ms/cm
0.0 – 100.0 mg/L
0.0 – 100.0 mg/L;0.0 – 99.0 °C
0.0 – 1000 mg/L
0.0 – 1000 mg/L;0.0 – 99.0 °C
0.0 – 1000 mg/L;0.0 – 99.0 °C;0.00 – 14 pH;0 – 1999 μs/cm
0.0 – 19.9 mg/L
0.0 – 80.0 ppt;0.0 – 99.0 °C
0.0 – 99.0 °C;0 – 1999 μs/cm
0.0 – 99.0 °C;0.00 – 14 pH
0.0 – 99.0 °C;0.00 – 19.99 ms/cm
0.00 – 14 pH
0.00 – 19.99 ms/cm
0.00 – 199.9 μs/cm
0.00 – 199.9 μs/cm;0.0 – 99.0 °C
-1000 – 1000 mV
-1000 – 1000 mV;0.0 – 99.0 °C
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Accuracy
± 0.05 pH / ± 0.5 °C
± 1.5% / ± 0.5 °C
± 10mm
± 2 mV / ± 0.5 °C
±0.1 pH
±0.5 °C
±2.0 % F.S.;± 0.05 pH / ± 0.5 °C
±2.5% FS
2mV
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Measurement Resolution
0.01 pH
0.1 °C;0.1 ppt;0.01 pH;0.01ms/cm
0.1 mg/L
0.1 pH
0.1 ppt
0.1 μs/cm
1 mg/L
1 mV
10 μs/cm
1μs/cm
1μs/cm;0.01 pH
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Display
LCD
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ATC
Not Applicable
Yes
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Models #:
ST10
MSRP :
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Meter Type
pH
Measurement Range
0.00 – 14 pH
Accuracy
±0.1 pH
Measurement Resolution
0.1 pH
Display
LCD
ATC
Not Applicable
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Models #:
ST10C-A
MSRP :
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Meter Type
Conductivity
Measurement Range
0.00 – 199.9 μs/cm
Accuracy
±2.5% FS
Measurement Resolution
0.1 μs/cm
Display
LCD
ATC
Not Applicable
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Models #:
ST10C-B
MSRP :
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Meter Type
Conductivity
Measurement Range
0 – 1999 μs/cm
Accuracy
±2.5% FS
Measurement Resolution
1μs/cm
Display
LCD
ATC
Not Applicable
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Models #:
ST10C-C
MSRP :
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Meter Type
Conductivity
Measurement Range
0.00 – 19.99 ms/cm
Accuracy
±2.5% FS
Measurement Resolution
10 μs/cm
Display
LCD
ATC
Not Applicable
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Models #:
ST10R
MSRP :
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Meter Type
ORP
Measurement Range
-1000 – 1000 mV
Accuracy
2mV
Measurement Resolution
1 mV
Display
LCD
ATC
Not Applicable
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Models #:
ST10S
MSRP :
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Meter Type
Salinity
Measurement Range
0.0 – 10.0 ppt
Accuracy
±2.5% FS
Measurement Resolution
0.1 ppt
Display
LCD
ATC
Not Applicable
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Models #:
ST10T-A
MSRP :
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Meter Type
TDS
Measurement Range
0.0 – 100.0 mg/L
Accuracy
±2.5% FS
Measurement Resolution
0.1 mg/L
Display
LCD
ATC
Not Applicable
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Models #:
ST10T-B
MSRP :
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Meter Type
TDS
Measurement Range
0.0 – 1000 mg/L
Accuracy
± 10mm
Measurement Resolution
1 mg/L
Display
LCD
ATC
Not Applicable
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Models #:
ST20
MSRP :
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Meter Type
pH
Measurement Range
0.0 – 99.0 °C;0.00 – 14 pH
Accuracy
± 0.05 pH / ± 0.5 °C
Measurement Resolution
0.01 pH
Display
LCD
ATC
Yes
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Models #:
ST20C-A
MSRP :
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Meter Type
Conductivity
Measurement Range
0.00 – 199.9 μs/cm;0.0 – 99.0 °C
Accuracy
± 1.5% / ± 0.5 °C
Measurement Resolution
0.1 μs/cm
Display
LCD
ATC
Yes
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Models #:
ST20C-B
MSRP :
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Meter Type
Conductivity
Measurement Range
0.0 – 99.0 °C;0 – 1999 μs/cm
Accuracy
±0.1 pH
Measurement Resolution
1μs/cm
Display
LCD
ATC
Yes
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Models #:
ST20C-C
MSRP :
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Meter Type
Conductivity
Measurement Range
0.0 – 99.0 °C;0.00 – 19.99 ms/cm
Accuracy
± 1.5% / ± 0.5 °C
Measurement Resolution
10 μs/cm
Display
LCD
ATC
Yes
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Models #:
ST20D
MSRP :
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Meter Type
Dissolved Oxygen
Measurement Range
0.0 – 19.9 mg/L
Accuracy
±0.5 °C
Measurement Resolution
0.1 mg/L
Display
LCD
ATC
Yes
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Models #:
ST20M-B
MSRP :
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Meter Type
TDS;Conductivity;pH
Measurement Range
0.0 – 1000 mg/L;0.0 – 99.0 °C;0.00 – 14 pH;0 – 1999 μs/cm
Accuracy
±2.0 % F.S.;± 0.05 pH / ± 0.5 °C
Measurement Resolution
1μs/cm;0.01 pH
Display
LCD
ATC
Yes
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Models #:
ST20M-C
MSRP :
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Meter Type
Conductivity;pH;Salinity
Measurement Range
0.0 – 10.0 ppt;0.0 – 99.0 °C;0.00 – 14 pH;0.00 – 19.99 ms/cm
Accuracy
±2.0 % F.S.;± 0.05 pH / ± 0.5 °C
Measurement Resolution
0.1 °C;0.1 ppt;0.01 pH;0.01ms/cm
Display
LCD
ATC
Yes
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Models #:
ST20R
MSRP :
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Meter Type
ORP
Measurement Range
-1000 – 1000 mV;0.0 – 99.0 °C
Accuracy
± 2 mV / ± 0.5 °C
Measurement Resolution
1 mV
Display
LCD
ATC
Yes
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Models #:
ST20S
MSRP :
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Meter Type
Salinity
Measurement Range
0.0 – 80.0 ppt;0.0 – 99.0 °C
Accuracy
± 1.5% / ± 0.5 °C
Measurement Resolution
0.1 ppt
Display
LCD
ATC
Yes
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Models #:
ST20T-A
MSRP :
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Meter Type
TDS
Measurement Range
0.0 – 100.0 mg/L;0.0 – 99.0 °C
Accuracy
± 1.5% / ± 0.5 °C
Measurement Resolution
0.1 mg/L
Display
LCD
ATC
Yes
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Models #:
ST20T-B
MSRP :
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Meter Type
TDS
Measurement Range
0.0 – 1000 mg/L;0.0 – 99.0 °C
Accuracy
± 1.5% / ± 0.5 °C
Measurement Resolution
1 mg/L
Display
LCD
ATC
Yes
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Documents
Data Sheet_Pen Meter_(EN)
Data Sheet_Pen Meter_(ES)
Data Sheet_Pen Meter_(FR)
Data Sheet_StarterPenMeters_(EN)
Electrochemistry Brochure
Manual_ST10_(EN)
Manual_ST10C/10T/10S_(EN)
Manual_ST10R/20R_(EN)
Manual_ST20_(EN)
Manual_ST20C/20T/20S_(EN)
Manual_ST20D_(EN FR ES CN)
WARNING: California Residents - Proposition 65
Details
Starter Pen Meters Product Details
Applications
pH, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, total dissolved solids (TDS), temperature measurement
Display
Liquid crystal display (LCD) display with secondary information line (on select models)
Operation
4 1.5V batteries (included)
Communication
N/A
Construction
ABS Housing
Design Features
Easily replaceable electrodes, automatic shut off feature
Documents
Documents
Data Sheet_Pen Meter_(EN)
Data Sheet_Pen Meter_(ES)
Data Sheet_Pen Meter_(FR)
Data Sheet_StarterPenMeters_(EN)
Electrochemistry Brochure
Manual_ST10_(EN)
Manual_ST10C/10T/10S_(EN)
Manual_ST10R/20R_(EN)
Manual_ST20_(EN)
Manual_ST20C/20T/20S_(EN)
Manual_ST20D_(EN FR ES CN)
WARNING: California Residents - Proposition 65
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