Omega Products HX302AC User Manual
Humidity/Temperature
OUTPUT
Power supply
12VDC-30VDC
Temp. Selection
0 100°C
0 50°C
– 50 +50°C
˜
˜
˜
• • •
mA
mA
3 2 1
RH T V+
RH T V+
K1 K2 K3
•
•
•
•
SENSOR
POWER S-T
D7
+
+
+
–
–
–
D8
D9
•
•
•
•
•
•
•
•
90
(3.54)
20
MAX
(0.79)
77
(3.03)
38
(1.5)
ø
ø
75
(3 )
ø
ø
Transmitters
⻬ Fast, Stable, and Accurate
⻬ Watertight Enclosure
⻬ Compact, Easy to Use
⻬ Excellent Long-Term Stability
⻬ Wide Input Voltage Range
(12 to 40 Vdc)
⻬ Available with Either
Current or Voltage Output
⻬ On-Site, 2-Point Calibration
(Zero and Span)
Dimensions:
mm (in)
Ø = Diameter
HX300A Series
Starts at
$
190
†
Optional
The HX300A Series transmitter is designed for industrial
environments requiring fast, stable, and accurate
measurements. It employs a highly stable thin-film polymer
capacitor to sense relative humidity, and a high-accuracy,
thin-film RTD to accurately sense temperature.
HX303AC, $225, shown
smaller than actual size.
H
u
On Site Calibration and Wiring
Specifications
Measurement Range (Humidity):
0 to 100% RH @ 0 to 50°C
(32 to 122°F)
Measurement Range (Temperature):
0 to 100°C (32 to 212°F)
Accuracy (25°C): ±2.5% RH, ±0.3°C
Long-Term Stability: Better than 1%
RH per year (typical)
Temperature Compensation:
0.008% RH/°C (effect @ 05 RH)
Response: <15 seconds (90% @ 25°C
in moving air at 0.5 m/sec)
Sensors:
Humidity: Thin-film capacitor
Temperature: RTD PT100 Ω,
IEC 751, DIN 43760
Output:
Current: 4 to 20 mA, 2-wire ±15%
scalable zero and span adjustment
Voltage: 0 to 1V
Supply Voltage: 12 to 40 Vdc
(24 Vdc recommended)
Sensor Protection: Sintered filter
Housing: ABS plastic watertight
enclosure to NEMA 4 (IP65)
Connections: Liquid-tight nylon,
cable bushing fits 5 to 10 mm dia.
(0.2 to 0.4") cables
Operating Temperature:
0 to 50°C (32 to 122°F)
Weight: Approx 150 g (5.3 oz)
K1: Mode
K2: Increase value
K3: Decrease value
D7
D9: LED indicator
˜
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Model No. Price Description
HX303AC $225 Wall mount RH/temperature transmitter,
HX303AV 225 Wall mount RH/temperature transmitter,
HX302AC 190 Wall mount RH transmitter, 4 to 20 mA current output
HX302AV 190 Wall mount RH transmitter, 0 to 1 voltage output
PSR-24S 60
PSR-24L 60
PSR-24L-230 60
PSU-93 40 Unregulated power supply, 16 to 23 Vdc, 300 mA max,
CAL-3-HU
Comes complete with operator’s manual.
Ordering Examples: HX303AC, wall mount RH/temperature transmitter with current outputs, $225.
HX303AV, wall mount RH/temperature transmitter with voltage outputs and PSR-24L, power
supply, $225 + 60 = $285.
†
4 to 20 mA current outputs
0 to 1 voltage outputs
Regulated power supply, US plug, 90 to 264 Vac input,
24 Vdc output, 400 mA, screw terminals, UL
Regulated power supply, US plug, 90 to 264 Vac input,
24 Vdc output, 400 mA, stripped leads, UL
Regulated power supply, European plug, 230 Vac input,
24 Vdc output, 400 mA, stripped leads, CE
screw terminal
125 NIST-traceable calibration
Hu-16
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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