Omega Products CYTX231SD User Manual
Cryogenic Temperature
Extended Warranty
Program
S
M
Transmitters
For CY7 Series Diode Sensor and Platinum RTD Elements
CYTX231 Series
Starts at
$
730
⻬ Models for Silicon
Diode or Platinum
RTD Elements
⻬ Accuracy ±0.07 K
at 4.2 K Factory
Calibration in Memory
⻬ Input Fully Isolated from
Power Supply
⻬ 4 Lead Measurement
⻬ Multiple Temperature
Range
⻬ Linearized Temperature
Output
The CYTX231 temperature
transmitters send linearized data
to a remote location for a data
acquisition system or a recorder
using a 4 to 20 or 0 to 20 mA signal.
Standard Curve #10 chart shown in
the T section is in memory for the
silicon diode sensor and excitation
of 10 µA is provided.
The CYTX231P operates like the
CYTX231SD but uses a 100 Ω
platinum RTD sensor. Excitation
provided is 500 µA and a DIN
437600 standard curve is
provided in memory. The CYTX231
Series must be used with
CYTX-ENCLOSURE-12.
Specifications
Inputs: 1
Measurement Type: 4-lead differential
Sensor: CYTX231SD, CY7 silicon
diode, CYTX231P, 100 Ω Platinum RTD
Sensor Excitation:
CYTX231SD, 10 µA ±0.1% DC current;
CYTX231P, 500 µA ±0.02% DC current
Response Time: 5 readings per sec
Sensor Range: CYTX231SD, 1.4
to 475 K, CYTX231P, 30 to 800 K
Electronic Accuracy: CYTX231SD,
±0.07 K at 4.2 K: CYTX231P ±0.15 K
at 77 K
Output Range:
4 to 20 mA, 0 to 20 mA, 0 to 10V with
500 Ω, 0.02%, 25 PPM Resistor
Selectable Temperature Ranges:
6 from 0-20 to 0-1000 K
Power: +5 (±0.25) Vdc (500 mA); 2.5 W
Size: 100 x 160 x 30.5 mm
(3.9 x 6.3 x 1.2")
Weight: 0.25 kg (0.55 lb)
To Order (Specify Model Number)
Model No. Price Description
CYTX231SD $730 Transmitter for CY7 silicon diode, 5 Vdc power
CYTX231P 800 Transmitter for Platinum RTD, 5 Vdc power
CYTX-ENCLOSURE-12 2200 Enclosure for twelve 5 Vdc transmitters,
CYTX231SD-115 795 Transmitter for CY7 silicon diode, 115 Vac
CYTX231SD-230 820 Transmitter for CY7 silicon diode, 230 Vac
CYTX231P-115 800 Transmitter for Platinum RTD, 115 Vac power
CYTX231P-230 820 Transmitter for Platinum RTD, 230 Vac power
CYTX-PANEL* 18 Blank panel for CYTX-ENCLOSURE-12
The sum of transmitters and blank panels must add to 12 for CYTX-ENCLOSURE-12.
*
Each transmitter comes complete with sensor output mating connector, 500 Ω resistor, and
operator’s manual.
Note: Units are calibrated at no additional cost.
Ordering Examples: CYTX231SD-115, transmitter for silicon diode with 115 Vac powered
wall mount plus enclosure for one transmitter, $795.
CYTX231P-115, transmitter for platinum RTD, 115 Vac power, $800. OCW-3, OMEGACARE
extends standard 1-year warranty to a total of 4 years ($199), $800 + 199 = $999.
CYTX231SD, $730,
shown smaller
than actual size.
T-4
CYTX231 Series must be used
with CYTX-ENCLOSURE-12,
$2200, sold separately, see
ordering chart.
OMEGACARESMextended warranty program
is available for models shown on this page.
Ask your sales respresentative for full details
when placing an order. OMEGACARE
covers parts, labor and equivalent loaners.
MOST POPULAR MODELS HIGHLIGHTED!
in any combination silicon diode or RTD input
with built-in 85 to 265 Vac power
power with single enclosure
power with single enclosure
power with single enclosure
power with single enclosure
SM
SM
T
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