Starter Pen Meters
Compact Design for Fast, Convenient Electrochemistry Measurement At Your Fingertips
Price Range
$46.80 - $312.65
View All ModelsOverview
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.
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
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.
Documents
Models
Ohaus St10
Net Weight
3.88 oz (110 g)
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St10C-A
Measurement Resolution
0.1 μs/cm
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St10C-B
Measurement Resolution
1μs/cm
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St10C-C
Measurement Resolution
10 μs/cm
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St10R
Measurement Resolution
1 mV
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St10S
Measurement Resolution
0.1 ppt
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St10T-A
Measurement Resolution
0.1 mg/L
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St10T-B
Measurement Resolution
1 mg/L
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Display
Not Applicable
Ohaus St20
Meter Type
pH
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20C-A
Measurement Range (Temperature)
0 °C ; 99 °C
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20C-B
Measurement Range (Temperature)
0 °C ; 99 °C
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20C-C
Measurement Range (Temperature)
0 °C ; 99 °C
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20D
Meter Type
Dissolved Oxygen
Wrist Strap
Yes
Working Environment
41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20M-B
Net Weight
3.88 oz (110 g)
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20M-C
Net Weight
3.88 oz (110 g)
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20R
Measurement Resolution
1 mV
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20S
Measurement Range (Temperature)
0 °C ; 99 °C
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20T-A
Measurement Range (Temperature)
0 °C ; 99 °C
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
Ohaus St20T-B
Measurement Range (Temperature)
0 °C ; 99 °C
Wrist Strap
Yes
Working Environment
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85% RH, non-condensing)
Temperature Sensor
50 KΩ NTC
