COMECO Control & Measurement

Signal isolator / optical / current
4 - 20 mA | TRI

 

Characteristics

  • Type:

    signal, optical

  • Electrical characteristics:

    current

Description

COMECO’s signal isolator TRI is a compact 2-wire current-to-current
transmitter providing optical isolation between the input and output current
loops. The isolation level is normally 2500 VAC, but can be increased optionally
to 4000 VAC. The TRI current isolator is an entirely passive device it does
not generate any supply voltages and does not need any additional supply
for operating. The input part is powered by the input current loop
(420 mA) and the output part is powered by the output current loop.
Thanks to the use of high sophisticated electronics for its manufacturing,
the TRI isolator offers some special features that can be activated
by the user via internal programming jumpers:
- direct (420 to 420 mA) or reversed (420 to 204 mA) conversion;
- "Low" (3 mA) or "High" (22 mA) output status at input failure;
- thermocouple non-linear conversions providing temperature linear output.
TRI is designed for mounting on a 35 mm DIN rail according to EN50022,
but it can be also enclosed in an IP65 protection box for wall mounting.

 

Other Comeco Control & Measurement products

Other transmitters

 

Load cell transmitter

Load cell transmitter1 - 3 mV/V | TRW

 

Temperature probes

 

RTD temperature probe / thermocouple / custom

RTD temperature probe / thermocouple / custommax. 800 °C | TSA / TSAL, TSAB

 

RTD temperature probe / thermocouple / custom

RTD temperature probe / thermocouple / custommax. 1 250 °C | TSAG / TSAGL

 

Surface temperature measurement thermocouple

Surface temperature measurement thermocouplemax. 800 °C | TSAS

 

RTD temperature probe / thermocouple / threaded / for surface temperature measurement

RTD temperature probe / thermocouple / threaded / for surface temperature measurementmax. 400 °C | TSAT

 

 

Ceramic temperature probe

Ceramic temperature probemax. 1 700 °C | TSAZ

 

RTD temperature probe / thermocouple / custom

RTD temperature probe / thermocouple / custommax. 850 °C | TSB / TSBL

 

RTD temperature probe / thermocouple / custom

RTD temperature probe / thermocouple / custommax. 400 °C | TSG

 

RTD temperature probe / thermocouple / custom / for the food industry

RTD temperature probe / thermocouple / custom / for the food industrymax. 200 °C | TSI

 

 

Surface temperature measurement temperature sensor

Surface temperature measurement temperature sensormax. 250 °C | TSM

 

RTD temperature sensor / thermocouple / mineral-insulated / custom

RTD temperature sensor / thermocouple / mineral-insulated / custommax. 1 250 °C | TSNx series

 

Clamp-on temperature probe

Clamp-on temperature probemax. 400 °C | TST / TSTL

 

RTD temperature probe / thermocouple / custom

RTD temperature probe / thermocouple / custommax. 400 °C | TSTO

 

 

RTD temperature probe / thermocouple / custom

RTD temperature probe / thermocouple / custommax. 400 °C | TSY

 

RTD temperature probe / thermocouple / insertion / custom

RTD temperature probe / thermocouple / insertion / custommax. 1 250 °C | TSSx/TSOSx, TSC / TSOC series

 

RTD temperature probe / thermocouple / ATEX

RTD temperature probe / thermocouple / ATEXmax. 1 250 °C | TSC-EX / TSOC-EX

 

RTD temperature probe / thermocouple / ATEX / with explosion-proof head

RTD temperature probe / thermocouple / ATEX / with explosion-proof headmax. 1 250 °C | TSCS / TSOCS

 

 

RTD temperature probe / thermocouple / ATEX / with explosion-proof head

RTD temperature probe / thermocouple / ATEX / with explosion-proof headmax. 1 150 °C | TSL

 

RTD temperature probe / thermocouple / ATEX / insertion

RTD temperature probe / thermocouple / ATEX / insertionmax. 1 700 °C | TSDS / TSODS

 

Ceramic temperature probe / ATEX

Ceramic temperature probe / ATEXmax. 1 700 °C | TSZ / TSOZ series

 

RTD temperature probe / thermocouple / ATEX / angled

RTD temperature probe / thermocouple / ATEX / angledmax. 1 300 °C | TSLD / TSOLD

 

 

RTD temperature probe

RTD temperature probemax. 800 °C | TSK

 

RTD temperature probe / exterior

RTD temperature probe / exterior-50 °C ... +100 °C | TSCA

 

RTD temperature probe / for the food industry

RTD temperature probe / for the food industrymax. 200 °C | TSCC

 

RTD temperature transmitter / analog / exterior

RTD temperature transmitter / analog / exterior-50 °C ... +100 °C | TSP / TSOP

 

 

Wall-mount temperature transmitter / RTD / analog

Wall-mount temperature transmitter / RTD / analog-50 °C ... +100 °C | TSR / TSOR

 

RTD temperature probe

RTD temperature probemax. 400 °C | TSOK

 

Pt100 temperature probe / programmable

Pt100 temperature probe / programmable-50 °C ... +200 °C | TSOJ

 

ATEX Certified Explosion Proof Temperature Probes

 

RTD temperature probe / thermocouple / ATEX

RTD temperature probe / thermocouple / ATEXmax. 1 250 °C | TSC-EX / TSOC-EX

 

RTD temperature probe / thermocouple / ATEX / with explosion-proof head

RTD temperature probe / thermocouple / ATEX / with explosion-proof headmax. 1 250 °C | TSCS / TSOCS

 

RTD temperature probe / thermocouple / ATEX / with explosion-proof head

RTD temperature probe / thermocouple / ATEX / with explosion-proof headmax. 1 150 °C | TSL

 

RTD temperature probe / thermocouple / ATEX / insertion

RTD temperature probe / thermocouple / ATEX / insertionmax. 1 700 °C | TSDS / TSODS

 

Level

 

Conductive level switch / for liquids / ATEX

Conductive level switch / for liquids / ATEXmax. 200 °C, 25 bar | LCSA

 

Conductive level switch / for liquids / multi-point / fixed

Conductive level switch / for liquids / multi-point / fixedmax. 200 °C, 16 bar | LCSA6

 

Conductive level switch / for liquids / with temperature sensor

Conductive level switch / for liquids / with temperature sensor-20 °C ... +200 °C, 2 bar | LCSAT

 

Magnetic float level switch / for liquids / submersible

Magnetic float level switch / for liquids / submersiblemax. 135 °C, 50 bar | LCSF

 

 

Magnetic float level switch / for liquids / multi-point

Magnetic float level switch / for liquids / multi-pointmax. 135 °C, 50 bar | LCSFC

 

Magnetic float level switch / for liquids

Magnetic float level switch / for liquidsmax. 120 °C, 5 bar | LCSFS series

 

Magnetic float level switch / for liquids / stainless steel / compact

Magnetic float level switch / for liquids / stainless steel / compactmax. 135 °C, 50 bar | LCSFT

 

Magnetic float level switch / for liquids / vertical

Magnetic float level switch / for liquids / verticalmax. 135 °C, 50 bar | LCSFK

 

 

Magnetic float level switch / for liquids / multi-point

Magnetic float level switch / for liquids / multi-pointmax. 75 °C, 5 bar | LCSFP

 

Float level transmitter / for liquids / for tanks / programmable

Float level transmitter / for liquids / for tanks / programmable60 - 3 000 mm, -40 °C ... +135 °C | LCSF100

 

Magnetic float level switch / for liquids / 2-point / housed

Magnetic float level switch / for liquids / 2-point / housed-10 °C ... +65 °C, max. 30 bar | LCF

 

Capacitive level switch / electro-optical / for liquids / submersible

Capacitive level switch / electro-optical / for liquids / submersiblemax. 120 °C, 25 bar | LCSO

 

Humidity

 

Relative humidity sensor / through-hole / polymer / gas

Relative humidity sensor / through-hole / polymer / gas5 - 95 %rH, max. 200 °C | SH

 

Relative humidity and temperature probe / insertion / for HVAC

Relative humidity and temperature probe / insertion / for HVACmax. 100 %rH, -10 °C ... +50 °C | RHA

 

Relative humidity transmitter / insertion / for HVAC

Relative humidity transmitter / insertion / for HVACmax. 100 %rH, -10 °C ... +70 °C | RHB

 

Relative humidity transmitter / thin-film / duct-mount / air

Relative humidity transmitter / thin-film / duct-mount / air0 - 100 %rH, -20 ... +90 °C | RHT

 

 

Relative humidity transmitter / thin-film / screw-in / for the food industry

Relative humidity transmitter / thin-film / screw-in / for the food industry0 - 100 %rH, -10 ... +80 °C | RHV

 

Relative humidity transmitter / thin-film / duct-mount / for HVAC

Relative humidity transmitter / thin-film / duct-mount / for HVAC0 - 100 %rH, -20 °C ... +60 °C | RHW

 

Relative humidity and temperature probe / insertion / for HVAC

Relative humidity and temperature probe / insertion / for HVAC0 - 100 %rH, -50 °C ... +200 °C | RHU

 

Relative humidity and temperature sensor / in-line / for bulk materials / programmable

Relative humidity and temperature sensor / in-line / for bulk materials / programmablemax. 75 %rH, -10 °C ... +50 °C | RHP

 

Pressure

 

Resistive pressure transmitter / thin-film / rugged / economical

Resistive pressure transmitter / thin-film / rugged / economicalmax. 500 bar | PSQ

 

Thin-film pressure transmitter / with analog output / programmable / with display

Thin-film pressure transmitter / with analog output / programmable / with displaymax. 500 bar | PSQA

 

Absolute pressure transmitter / thin-film / rugged / compact

Absolute pressure transmitter / thin-film / rugged / compactmax. 1 000 bar | PSP

 

Low pressure transmitter / absolute / CANopen / compact

Low pressure transmitter / absolute / CANopen / compact0.01 - 1 bar | PSL

 

 

CANopen pressure transmitter / high-pressure

CANopen pressure transmitter / high-pressuremax. 4 000 bar | PSH

 

CANopen pressure transmitter / high-temperature

CANopen pressure transmitter / high-temperaturemax. 2 000 bar, max. 200 °C | PSK

 

Intrinsic safety pressure transmitter

Intrinsic safety pressure transmittermax. 2 000 bar | PSX

 

Flow

 

Paddle flow switch / for liquids / explosion-proof / insertion

Paddle flow switch / for liquids / explosion-proof / insertion15 - 130 l/min, max. 140 °C | PSF50

 

Thermal dispersion flow switch / for water / for liquids / for oil

Thermal dispersion flow switch / for water / for liquids / for oilmax. 3 m/s, max. 100 °C | PSF100

 

Infrared flow monitor / for liquids / high-pressure

Infrared flow monitor / for liquids / high-pressure1 - 1 000 cSt, 0.5 - 20 l/min | PSF80x series

 

Liquid flow monitor / programmable / with analog output / with LED display

Liquid flow monitor / programmable / with analog output / with LED displaymax. 1 000 cSt, 0.5 - 20 l/min | PSF20x series

 

 

IR flow regulator / for high-viscosity liquids / for chemicals / digital

IR flow regulator / for high-viscosity liquids / for chemicals / digitalmax. 1 000 cSt, 0.5 - 20 l/min | PSF21x series

 

Other probes

 

CO2 gas transmitter / infrared / multi-use

CO2 gas transmitter / infrared / multi-usemax. 10 000 ppm | PHG

 

Temperature transmitters

 

Wall-mount temperature transmitter / Pt100 / analog

Wall-mount temperature transmitter / Pt100 / analog-50 °C ... +100 °C | TROP

 

DIN rail mount temperature transmitter / thermocouple / analog

DIN rail mount temperature transmitter / thermocouple / analog-50 °C ... +1 300 °C | TRN series

 

DIN rail mount temperature transmitter / thermocouple / analog

DIN rail mount temperature transmitter / thermocouple / analog-50 °C ... +1 600 °C | TRA series

 

Probe head-mounted temperature transmitter / Pt100 / analog / programmable

Probe head-mounted temperature transmitter / Pt100 / analog / programmable-50 °C ... +600 °C | TROJ series

 

 

DIN rail mount temperature transmitter / RTD / thermocouple / Pt100

DIN rail mount temperature transmitter / RTD / thermocouple / Pt100-200 °C ... +1 800 °C | TRC series

 

DIN rail mount temperature transmitter / RTD / thermocouple / digital

DIN rail mount temperature transmitter / RTD / thermocouple / digital-100 °C ... +1 800 °C | TRB series

 

Probe head-mounted temperature transmitter / digital / intrinsically safe / programmable

Probe head-mounted temperature transmitter / digital / intrinsically safe / programmable-270 °C ... +1 820 °C | TRH series

 

DIN rail mount temperature transmitter / RTD / digital / insulated

DIN rail mount temperature transmitter / RTD / digital / insulated-200 °C ... +1 800 °C | TRZ

 

 

DIN rail mount temperature transmitter / thermocouple / RS-232 / programmable

DIN rail mount temperature transmitter / thermocouple / RS-232 / programmable-10 °C ... +150 °C | TRU

 

DIN rail mount temperature transmitter / thermocouple / RTD / digital

DIN rail mount temperature transmitter / thermocouple / RTD / digital-100 °C ... +1 800 °C | TRIS

 

Electrochemical

 

Measurement preamplifier / voltage / Class A / temperature

Measurement preamplifier / voltage / Class A / temperature0 - 14 pH, ±2 V | PHA series

 

PH/ORP transmitter

PH/ORP transmitter0 - 14 pH, ±2 V | PHT series

 

Dissolved oxygen (DO) transmitter

Dissolved oxygen (DO) transmittermax. 20 mA, max. 2 V | PHO2

 

Indicators

 

Temperature indicator with LED display / programmable

Temperature indicator with LED display / programmable32 mm | TC67U-D4

 

Process indicator / with bar-graph display / LED / panel-mount

Process indicator / with bar-graph display / LED / panel-mount-10 °C ... +65 °C | TC150

 

Process indicator / with bar-graph display / LED / panel-mount

Process indicator / with bar-graph display / LED / panel-mount-10 °C ... +65 °C | TI250

 

Process indicator / panel-mount

Process indicator / panel-mount-10 °C ... +65 °C | TC66

 

 

Temperature indicator / panel-mount / loop-powered

Temperature indicator / panel-mount / loop-powered3 - 22 mA | TI200 series

 

Controllers

 

Thermoelectric temperature controller / analog / food / panel-mount

Thermoelectric temperature controller / analog / food / panel-mount230 V | TC48

 

Programmable temperature controller / with LED display / industrial

Programmable temperature controller / with LED display / industrial-99 °C ... +999 °C | RT18

 

Programmable digital process controller

Programmable digital process controller-100 °C ... +1 000 °C, 4 - 20 mA | RT28U

 

Level controller

Level controller90 - 250 V | LC05

 

 

Field controller

Field controller-100 °C ... +999 °C | RT38-Y

 

Universal process controller

Universal process controller-199 °C ... +1 769 °C | RT1900-R

 

Timers and counters

 

Analog timer / sequence / panel-mount

Analog timer / sequence / panel-mountmax. 100 min | CT02N

 

Analog timer / sequence / DIN rail / panel-mount

Analog timer / sequence / DIN rail / panel-mountmax. 60 min | CT02S

 

Digital timer / panel-mount / programmable

Digital timer / panel-mount / programmablemax. 9 999 min | CT12

 

Digital timer / multi-function / DIN rail / panel-mount

Digital timer / multi-function / DIN rail / panel-mountmax. 999 min | CT03

 

 

Pulse counter / digital / electronic / programmable

Pulse counter / digital / electronic / programmable5 - 24 V | CT34SB

 

Handheld Meters

 

Thermometer with LCD display / digital / Pt1000 / hand-held

Thermometer with LCD display / digital / Pt1000 / hand-held-100 °C ... +1 700 °C | H5700

 

Dew-point thermo-hygrometer / digital / hand-held

Dew-point thermo-hygrometer / digital / hand-held-20 °C ... +150 °C | H5800

 

Ground moisture meter / concrete / for wood / dielectric

Ground moisture meter / concrete / for wood / dielectric1 - 7 cm | H6300

 

Actuators

 

Solid-state relay / AC / DC / control

Solid-state relay / AC / DC / control10 - 16 A | SSRQ

 

Other equipment

 

Electromechanical relay / monitoring / protection / DIN rail

Electromechanical relay / monitoring / protection / DIN rail250 V | TC70

 

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