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Relative Humidity Controller
with Recorder Output
RHCN-3
$
299
*
230 V
Versions
ptional
O
⻬ Accurate to ±3% RH
⻬ Splash-Proof
NEMA Enclosure
⻬ Stainless Steel Miniature
RH Probe May Be
Remotely Mounted
Thousands of Feet
from Controller
⻬ Setpoint/Bandwidth
Control
⻬ 10 mV/% RH or 50 mV/%
RH Recorder Output
⻬ OEM Markets
OMEGAs RHCN-3 is an economical
relative humidity controller. The probe
uses a thin film polymer capacitive
sensor which may be mounted
thousands of feet from the controller
box. The RHCN-3 has a standard
10 mV/% RH or 50mV/% RH
(internally selectable) recorder output,
and a 5 A SPDT relay for control.
The controller is suitable in such
applications as baking and food
processing, HVAC, computer rooms,
art galleries, greenhouses, and many
others.
H
u
RHCN-3, $299,
shown actual size.
Specifications
Accuracy: ±3% RH from
3% to 95% RH at 25°C
Operating Temperature Range:
-20 to 85°C (4 to 185°F)
Control Output: SPDT relay form “C”;
rated 5 A, 250 Vac, 30 Vdc
Recorder Output: 10 mV/% RH
or 50 mV/% RH, internally set
Bandwidth Control:
Non-interacting, 0 to ±20% RH
Power: 8 Vdc to 30 Vdc,
125 milliamps max
Mechanical
Probe: Stainless steel, 19 mm dia.
(0.75"), 119 mm long (4.7"), 1.5 m (5'),
2-wire cable, bracket for wall mounting
Controller: Housed in standard “T” box
114 L x 70 W x 51 mm deep
1
(4
⁄2 x 23⁄4 x 2") screw terminal connections
AVAILABLE FOR FAST DELIVERY!
To Order
Model No. Price Description
RHCN-3 $299 Relative humidity controller and probe
RHCN-3-RP 195 Replacement probe
PSR-24S 60 Regulated power supply, 24 Vdc, 400 mA,
PSR-24L 60 Regulated power supply, 24 Vdc, 400 mA, UL,
PSR-24L-230 60 Regulated power supply, 24 Vdc, 400 mA,
PSU-93 40 Unregulated power supply, 16 to 23 Vdc,
RHCN-3-CABLE 125 2-wire cable 152 m (500') spool
CAL-3-HU* 125 NIST-traceable calibration
Comes complete with wall mounting bracket for probe, operator’s manual.
Ordering Example: RHCN-3, relative humidity controller with PSU-93, power supply,
$299 + 40 = $339.
(Specify Model Number)
screw terminal
1.8 m (6') cord with stripped leads
stripped leads, 230 Vac input, CE
300 mA max, screw terminal
Hu-28
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