
The 4-wire TH-404 pH meter online brings confiability and practicity to the industrial process where it is applied. Can be used as analyzer, transmitter and controller. Also have a digital and configurable transmitter outputs, automatic calibration and check, self-explained English menu and IP-67 cabinet enclosure.
With reduced dimensions and weights, the TH-4004 is the equipment indicated for installations in tubes, panels, or flat surfaces in a practical and safe way for the pH reading in processes. Constructed in a die-cast cabinet (SAE-323) and ABS plastic front panel, it offers the needed for most field operations without requiring strength aluminum interventions (IP-67). Access more options and navigate through a higher resolution screen and four intuitive navigation buttons.


The 4-wire TH-401 is an accurate and robust instrument that can be used as an analyzer, transmitter and controller. Simplified operation, it has automatic calibration and check cycles. Versatile, it has analog, digital and configurable transmitter output. For greater security, it has power supply with switching power supply and optional IP-67 and EX protection. This set results in a high performance, practical and reliable analyzer. For this reason, TH-401 is one of the most used options in pH analysis in treatment plants and industrial processes.

Ready for typical field situations, the TH-48 is constructed with a die-cast aluminum housing (SAE-323) and ABS plastic front panel, providing the strength needed for most operations in the field without requiring interventions (IP-67). It has 4 wires which allow great flexibility in powering and transmitting data in this instrument. Access more options and navigate through a simplified screen and three intuitive navigation buttons.

Unlike its TH-22 pair, the TH-49 pH analyzer has 4 wires ensuring flexibility in your operations. Count on the instrument's robustness (IP-67 and built in die-cast aluminum) and, if necessary, have protection for explosive areas (Exi).


Operate in the most diverse segments. From ETAs (Water Treatment Plants) to complex chemical processes with explosive atmospheres (Exi) the TH-22 provides the safety and reliability needed in the analysis of pH in processes (online). Trust your reading in a weatherproof and corrosion-resistant (IP-67) die-cast aluminum (SAE-323) enclosure. Quickly configure the instrument via the self-explanatory menu and simplified display and transmit via the 4 to 20 mA output.