Myron L Products

contactshipcallwe ship worldwide

TechPro II

TechPro II

Measuring Conductivity, TDS, pH and Temperature

Obtain reliable and accurate measurements of your water source with the value-priced TechPro II™. Ideal for water treatment testing as well as other industrial and commercial applications, these instruments reflect
Myron L®’s 40-plus years experience designing and building quality conductivity, TDS and pH measuring instrumentation.


  • Boilers & Cooling Towers
  • Reverse Osmosis
  • Fountain Solutions
  • Swimming Pools & Spas
  • Plating and Parts Washing
  • Pulp and Paper
  • Water/Wastewater Treatment
  • Aquaculture
  • Agriculture
  • Process Control
  • Food & Beverage
  • Plus many more!


  • IP67/ NEMA 6 Waterproof & Buoyant
  • Measures 0 - 14 pH
  • User-replaceable, Long-Life
  • Internal pH Sensor
  • Auto Temperature
  • Compensation to 25°C / 77°F
  • Keypad Calibration
  • 0 - 20,000 µS / ppm
  • Long Life Internal Electrodes
  • Full 4 Digit Display
  • Memory storage (20 readings)
  • User-Friendly


  • Saves Time
  • Saves Money
  • Ensures Product Quality

The TechPro II is handheld, lightweight and simple to operate. Measuring conductivity, TDS, pH and temperature, the highly stable circuitry delivers the accurate readings needed to assure product quality, prevent equipment damage or verify inline instrumentation in a wide range of applications. The TPH1 and TH1 are designed with an internal pH sensor to prevent breakage and prolong the sensor’s useful life. The rugged, waterproof case on all three models protects the electronics of the instrument and fits comfortably in your hand. TechPro II also features auto shut-off to prolong battery life.

Industrial and commercial users all over the world rely on Myron L®’s proven quality instruments for their water measurement needs.


Display 4 Digit Liquid Crystal Display
Dimensions 196 x 68 x 64mm / 7.7 x 2.7 x 2.5in.
Weight 320 g / 11.2 oz.
Case/Cell Material ABS
Cond / TDS Cell Capacity 5 ml / 0.2 oz.
pH Sensor Well Capacity 1.2 ml / 0.04 oz.
Power 9V alkaline battery
Battery Life >100 hours (5000 readings)
Operating/Storage Temperature 0 – 55°C / 32 – 132°F
Protection Ratings IP67/NEMA 6 WATERPROOF


Model Conductivity TDS pH TC - 25°C/77°F

0 – 9999 μS
10 – 20.00 mS

0–9999 ppm
10 – 20.00 ppt

0 – 71°C
32 – 160°F


0 – 9999 μS
10 – 20.00 mS

0–9999 ppm
10 – 20.00 ppt

0 – 71°C
32 – 160°F


Model Conductivity/TDS pH Temperature reading

±1% of reading


±1% of reading

±0.02 pH ±0.1°C/F


TP1 and TPH1 Porta-Kit
This hard protective carry case is a rugged all plastic foam-lined case that includes 2 oz. each pH 4, 7, & 10 Buffers, pH Sensor Storage Solution, and 442-3000 and KCl-7000.

TH1 Porta-Kit
This hard protective carry case is a rugged, all plastic foam-lined case that includes 2 oz. each pH 4, 7 & 10 Buffers and pH Sensor Storage Solution.

Hard Protective Case
Small foam-lined protective carry case.

Soft Protective Case:
Constructed of padded nylon and features a belt clip for hands-free mobility.

Replacement pH Sensor:
Non-refillable KCI gel-filled combination pH sensor featuring a chemical resistant, porous liquid junction.

NIST Standard Solutions & pH Buffers:
All Myron L® Instruments are factory calibrated with Standard Solutions of known conductivity/TDS value and (when appropriate) with pH buffer values 4, 7, and 10. These solutions and buffers are traceable to the U.S. Government’s National Institute of Standards and Technology. Periodic recalibration with the appropriate Conductivity Standard Solution and pH Buffers will help maintain the accuracy of your instrument.

Click to order Standard Solutions and Buffers

Limited Warranty
All Myron L® TechPro II Instruments have a Two (2) Year Limited warranty, excluding the pH sensors, which have a Six (6) Month Limited warranty. warranty is limited to the repair or replacement of the TechPro II Instrument only, at our discretion. The Myron L® Company assumes no other responsibility or liability.

* Approximate dimensions: 13.6 L x 10 W x 5.4 D in./ 346 L x 254 W x 137 D mm
** Approximate dimensions: 9.5 L x 6.8 W x 3.6 D in./ 241 L x 171 W x 92 D mm


Please Choose:
Check the box for the product, then add to the cart.

TechPro II Meters

TechPro II Accessories

NIST Certifications

Add to Cart:

Customers who bought this product also purchased...

Copyright © 2021 GWJ Co. All rights reserved.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies.
**Prices, images and specifications subject to change without notice.**

PIA Member    D & B Verified

For your convenience, we accept these credit cards:
Credit Card Logos