Myron L

Myron L Ultrapen PT1 Conductivity & TDS Pen

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The water comprises several impurities including salts and minerals. These dissolved elements are known as Total Dissolved Solids (TDS). These impurities are measured using various types of devices. Myron L Ultrapen PT1 Conductivity & TDS Pen is one of the leading devices used to test TDS in various water quality applications. Being one of the leading distributors of quality salinity meters, Cannon Water Technology, Inc., provides the TDS/conductivity pen under SKU - PT1.

The device is equipped with various advanced features, which enable selecting from 3 types of solution. Additionally, the device features microprocessor-based circuitry, temperature compensation, user-intuitive design, TDS conversion algorithms, as well as waterproof housing. All these features aid in reliability, and long-term performance of the design. The PT1 is an easy-to-use instrument, which can be easily calibrated. For taking a measurement, press a button, and submerge the pen in sample solution. The result will appear on the display of the pen.

The PTI Conductivity and TDS Pen is available in the following specifications

Measurement Range

1 - 9999 µS or ppm (0.0010 - 9.999 ppt salinity)

Accuracy (After Wet Calibration)

± 1% of reading


< 1000 µS or ppm ± 1 Count
 ≥ 1000 µS or ppm ± 0.3% of reading


Conductivity and TDS: 0.1 for 1.0 - 99.9 µS or ppm
1 for 100 - 9999 µS or ppm
Salinity: 0.0001 for 0.0010 - 0.0999 ppt 0.001 for 0.100 - 9.999 ppt
Temperature: 0.1 ºC or ºF

Time to Reading Stabilization:

10 - 20 seconds

Active Mode Power Consumption

30 - 100 mA

Sleep Mode Power Consumption

2 µA

Temperature Measurement Range

 0 - 71° C or 32 - 160° F

Temperature Accuracy Displayed

± 0.1 ºC or ± 0.1 ºF

Temperature Compensation Method

Automatic to 25ºC

Physical Dimensions

17.15 cm L x 1.59 cm D or 6.75 in. L x .625 in. D


55 g or 1.94 oz

Case Material

Anodized Aluminum with Protective Coating

Battery Type

N type, Alkaline

Battery Voltage

1.5 V

Calibration Solution Point

1800 µS KCl; 3000 ppm 442™ (2027 ppm NaCl)

Operating/Storage Temperature

0 - 55ºC or 32 - 131ºF

Water Resistance

IP67 and NEMA 6

EN61236-1: 2006 - Annex A: 2008

Electrostatic discharge to case of instrument may cause PT1 to spontaneously power on. In this case, the PT1 will power off after several seconds

Functions of Myron L Ultrapen PT1 Conductivity and TDS Pen
The following are the functions of Conductivity and TDS pen.



Solution Model


Cond KCl


Potassium Chloride

microsiemens (μS)

tdS 442

Total Dissolved Solids (TDS)

442™ Myron L® Natural Water Standard

parts per million (ppm)

tdS NaCl


Sodium Chloride


SALt 442


442™ Myron L® Natural Water Standard

parts per thousand (ppt)



Sodium Chloride



This is the escape function. Selecting escape exits solution selection without saving changes and turns the PT1 off.

Beneficial Features of Myron L Ultrapen PT1 Conductivity and TDS Pen
The following features have immensely contributed to the popularity of PT1 Conductivity and TDS pen:

  • Accuracy: The pen offers the accuracy of ±1% of READING, as well as ±.2% at calibration point. In short, the device offers the accuracy of a bench mounted lab equipment at affordable prices.
  • Durable Construction: Body of the pen is constructed using an aircraft aluminum, which helps improve its ruggedness, shock resistance, as well as makes it waterproof. The electronics is fully encapsulated within this body.
  • Reliability: This device is designed to provide repeatable results during each use, thereby ensuring its high reliability.
  • Easy-to-Use: A simple one button push is needed to start the pen.
  • Special Features: The pen is designed to feature various solution modes and measurement ranges, which meets the water quality requirements of different industrial applications. Other important features include auto-ranging, automatic temperature compensation, etc. This device is powered by N-type battery.

Know more about the products through PDF :-

PT1 Features

Ultrapen PT1 Specifications


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