Omega Products TX86 User Manual

Universal Input
Temperature Transmitter

With Solid State Relay Output

TX86

$

365

⻬ Universal Input RTD, T/C,

Ω, POT and mV

⻬ Models for 100, 200, 500,

1000 Ω, 0.00385 2- or
3-Wire RTD’s

⻬ Field Scalable
⻬ Programming by

Push-Buttons on Front

⻬ Isolation 1000 VRMS

Between Input and Output

⻬ Self-Diagnostic With

Temp Drift Compensation

⻬ LED Display–

High Brightness

⻬ Sensor O/C and S/C

Detection

⻬ Solid State Relay Output

PSR-24L, $60,
shown smaller
than actual size.

TX86, $365, shown
actual size.

PSR-24S, $60,
shown smaller
than actual size.

The TX86 is a 2-wire loop-powered,
galvanic-Isolated, programmable
universal input temperature
transmitter that is designed to
be head-mounted, but can be
standalone as well. It uses 16 bits
A/D and D/A converters offering high
accuracy with Linearized 4 to 20 mA
or 20 to 4 mA outputs. Being a
user-friendly rugged instrument, it
displays the measured variable and
has a SSR output.

The TX86 has 3 push buttons on its
front keyboard and a 4-digit
7-segment bright LED display
module that indicates the values of
the measured parameters during the
Measuring Mode while also
providing prompting and
programming instructions during the
setup and calibration mode routines.

The 1000V AC galvanic isolation
removes all ground loop effects.
Three different engineering units
(°C, °F and %), can be displayed
and the chosen unit is highlighted
by an associated LED lamp when in
the measuring mode.

Specifications

Input Sensors Measured Range (°C) Minimum Span (°C)

-100 to 1372 50

-100 to 750 50

-100 to 400 50

-100 to 750 50
0 to 1700 50

-100 to 1300 50
0 to 1700 50

400 to 1800 50
100PT -200 to 850 50
200PT -200 to 500 50
500PT -200 to 200 25

1000PT -200 to 200 25

Ni120 -80 to 260 50

Cu10 -100 to 260 50

Resistance 0 to 2000 Ω 50 Ω
Potentiometer 0 to 2000 Ω 50 Ω
mV (millivolts) -5 to 60 2 mV

N-13

1234

°C °F %

mA

Alm

SW SW

24 Vdc

RL

Remote Switch

Programming

Port

General Performance:

1234

1234 1234

1234 1234 1234

1234

+

+

+

1234

°C °F %

mA

Alm

SW SW

Extended Warranty

Program

SM

(@ 24 Vdc, 25°C ±2°C)
Loop Power: 12 to 30 Vdc, LED indicator

reverse polarity protected 60 Vdc
Output: 4/20 mA calibrated;

3.8 to 20.5 mA linear

Resolution: 2 uA
RTD Excitation Current: 30/150 uA ± 2%
Input Impedance: 1 MΩ, nominal
Maximum Load: 50 x (Vsupply – 12V) Ω
Accuracy: ± 0.2% of full scale input
Long-Term Stability: ± 0.15%/ year
Temp. Coefficient: ± 0.01%/°C (5 to 50°C)
Dampening Constant: Programmable
Configuration: Via 3 pushbuttons

on front

Solid State Relay Output:

30 mA maximum

Cold Junction Comp:

± 2°C max (5 to 50°C)

Power Supply Effect: Less than 0.01%/V
Input Protection: 40 Vdc maximum
Sensor Burnout: Upscale >21mA,

downscale <3.8 mA

Isolation Rating: 1000V RMS continuous
Response Time: 1 second with

dampening off

Power-on Response: Within 5 seconds
Ambient Temps: -20 to 70°C

(-4 to 158°F) (storage and operation)
Relative Humidity: 20 to 90%,

non-condensing
Dimensions: 62 Dia x 42 mm H

(2.44 x 1.65")

Mounting: Head-mounted
Housing: Plastic, polycarbonate
Weight: 80 g (0.18 lb)

Block Diagram

MUX

&

AMP

Input Connections

Thermocouple

Internal CJC

3-wire RTD

Pt100

Dimensions: mm (in)

62 (2.44)

Key Pad, LED

ADC

&

CUP

Thermocouple

External CJC

Pt100

2-wire RTD &

Resistance

DAC

Isolation

Barrier

mV

mV

Potentiometer

I

V/I

SW+

SW–

PS+

PS–

Input Current

60mVmax

OMEGACARESMextended
warranty program is available for
models shown on this page. Ask
your sales representative for full
details when placing an order.
OMEGACARE
labor and equivalent loaners.

Electrical Connections

SM

covers parts,

56

(2.20)

42

(1.65)

55 (2.17)

AVAILABLE FOR FAST DELIVERY!

To Order (Specify Model Number)

Model No. Price Description
TX86 $365 Universal input transmitter
PSR-24S 60 Regulated power supply, 24 Vdc, 400 mA,

screw terminal

PSR-24L 60 Regulated power supply, 24 Vdc, 400 mA, UL,

stripped leads

PSR-24L-230 60 Regulated power supply, 24 Vdc, 400 mA,

PSU-93 40 Unregulated power supply, 16 to 23 Vdc,

Ordering Example: TX86, universal transmitter, and PSR-24S, regulated power supply,
$365 + 60 = $425. OCW-3, OMEGACARESMextends standard 1-year warranty to a total of 4 years
($91), $365 + 91 = $456.

N-14

stripped leads, 230 Vac input, CE

300 mA max, screw terminal

N

One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | [e-mail]

EPG05

www.omega.com

UNITED KINGDOM

www. omega.co.uk

Manchester, England

0800-488-488

UNITED STATES

www.omega.com

1-800-TC-OMEGA

Stamford, CT.

CANADA

www.omega.ca

Laval(Quebec)

1-800-TC-OMEGA

GERMANY

www.omega.de

Deckenpfronn, Germany

0800-8266342

Karviná, Czech Republic

FRANCE

www.omega.fr

Guyancourt, France

088-466-342

CZECH REPUBLIC

www.omegaeng.cz

596-311-899

BENELUX

www.omega.nl

Amstelveen, NL
0800-099-33-44

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