Sixth Sense PHP01 Operating Manual
PROGRAMMABLE HUMIDITY PROBE – PHP01
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PROGRAMMABLE HUMIDITY PROBE – PHP01
1. Description
The Sixth Sense PHP is a Programmable Humidity Probe designed for the
measurement of relative humidity. Humidity measurement is based on the capacitive thin
film polymer sensor which is located at the tip of the probe and protected by a
membrane filter. The PHP measures the relative humidity and provides a linear 2-wire
(loop) 4-20 mA output signal directly proportional to the 0$100% RH. The PHP uses the
same wires for power and output signal. A third wire is provided for calibration. The PHP
can be re-calibrated with the PHP software and the PHP-Config module provided
separately, P/N PHP01-PKit.
2. Note
Prior to unpacking and installation, please read the operating instructions and follow
them carefully. These units are to be used, serviced, and repaired only by individuals
who are familiar with the operating instructions and the applicable regulations for
operational safety and accident prevention.
3. Control of Units
The units are calibrated and checked before shipment and shipped in good conditions. If
you detect a visible defect on the unit, we recommend that you carefully check the
packing material. In the event of a defect, please immediately notify the mail service /
freight forwarder, as they are responsible for shipping damage.
Red = Loop +
Black = Loop -
Blue
Power
3-wire RTD
PROGRAMMABLE HUMIDITY PROBE – PHP01
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4. Dimensions
5. Wiring
The PHP can be connected in stand-alone mode for normal operation or in
communication mode for calibration.
Stand-Alone mode:
• Ensure that the power is disconnected before proceeding with the electrical
• Connect the RED wire of the PHP to the positive side of the power supply.
• Connect the BLACK wire of the PHP to the positive side of the current indicator.
• Connect the negative side of the loop indicator to the negative side of the power
• Turn ON the power supply.
Output
4-20 mA Loop
installation.
supply to close the loop.
Red = Loop +
Black = Loop -
White = Rx
4-20 mA Loop Power &
Output
White = Rx
Green
Orange
RTD
0
0
+
_
Loop Indicator
Power Supply
+
-
_
V+
V
-
Tx
Rx
PROGRAMMABLE HUMIDITY PROBE – PHP01
Communication mode:
• Ensure that the power is disconnected before proceeding with the electrical
installation.
• Connect the RED wire of the PHP to V+ terminal on the PHP-Config module.
• Connect the BLACK wire of the PHP to the positive side of the current indicator.
• Connect the negative side of the current indicator to V- terminal on the PHP-
Config module.
• Connect the WHITE wire of the PHP to the Rx terminal on the PHP-Config
module.
• Connect the PHP-Config module to the computer via a serial port.
• Power ON the PHP-Config module by connecting first the wall adapter to the
PHP-Config module and then to the 115 VAC.
PHP 01
Red
White
Black
24.0
N.C.
20.
PHP-Config. Module
DB9 - To PC (RS-232)
Red
White
AC Adapter- To 115 VAC
PHP 01
Black
+
2 0 . 0 0
Loop Indicator
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