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  • Brand Name: Traceable(R)
  • Model Number: 4319
  • Hand-held: Features


Measure dissolved oxygen pen reads to 100% air saturation in the palm of your hand.

Compact, rugged design
Tough ABS plastic housing and water-resistant design with o-ring seal and membrane keypad assure a long life in severe lab or harsh plant environments. HOLD button freezes the reading on the display. High contrast, easy to read 3/8-inch-high LCD digits simultaneously display oxygen concentration and temperature. At the press of a button, unit recalls minimum/maximum readings. Designed for intuitive, easy operation by everyone.

Traceable to NIST
To assure accuracy an individually serial-numbered Traceable® Certificate is provided from our ISO 17025 calibration laboratory. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Rugged ABS plastic case is 1-1/2 diameter x 8 inches; weight is 5 ounces. Supplied with a Traceable® Certificate, two spare probe heads with membranes, electrolyte solution, nylon carry case, and four AAA batteries.

Cat. No. 4319 Traceable® Dissolved Oxygen Pen

Dissolved oxygen measurement range: 0.00 to 20.00 mg/l;

Resolution: 0.1 mg/l; Accuracy: ±0.4 mg/l

Dissolved oxygen measurement % air saturation range: 0.0 to 100% air saturation; Resolution: 0.1%; Accuracy: ±0.7% mg/l

Temperature measurement range: 32.0 to 122°F / 0.0 to 50.0°C;

Resolution: 0.1°; Accuracy: ±1.5°F / 0.8°C

Automatic temperature compensation: 0.0 to 50.0°C

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