Contech CTH2265-EX Explosion Proof Indicator Totalizer

Core Performance & Industrial Application

The Contech CTH2265-EX is an explosion-proof digital process indicator and totalizer from Contech CTH2265 series.

It supports universal signal input including thermocouple, Pt100, 4-20mA, 0-10V and frequency pulse signals from flow sensors.

It integrates square root extraction function for differential pressure flow calculation and flow totalization.

It is equipped with multi-channel relay alarm outputs, digital filtering and peak holding functions for stable signal acquisition.

It adopts explosion-proof enclosure design, compliant with ATEX and IECEx standards for flammable gas hazardous zones.

It supports optional RS485 Modbus communication for remote data reading and parameter configuration.

It is widely used for flow, pressure, temperature and liquid level display, totalization and alarm in petrochemical, oil & gas and refinery plants.

Technical Specifications

▶ Product type: Explosion-proof process indicator totalizer, order no. CTH2265-EX

▶ Brand: Contech

▶ Series: CTH2265

▶ Input signal: Universal input, TC / RTD / 4-20mA / 0-10V / frequency

▶ Output: SPDT relay alarm outputs, analog retransmission optional

▶ Built-in function: Square root extraction, flow totalization, digital filtering

▶ Communication: RS485 Modbus optional

▶ Display: LED digital display

▶ Supply voltage: 90~240V AC or 24V DC optional

▶ Operating temperature: -10℃ ~ +55℃

▶ Protection rating: IP66

▶ Feature: ATEX explosion-proof certified, suitable for hazardous area, flow totalization function

▶ Country of origin: Brazil

▶ Compliance: CE, ATEX, IECEx certification

Industry Applications

Applied in petrochemical, oil & gas, refining and chemical plants for process variable display, flow accumulation and alarm monitoring in explosive hazardous zones.

Note: Confirm input signal type, power supply and explosion-proof zone requirement before ordering