
C-Squared Inc. 1440 S State College Blvd, Unit 4L, Anaheim, CA 92806
Tel: (714) 999-2791, Fax: (714) 999-2928, sales@c-squaredinc.com, www.c-squaredinc.com
Unpacking and Inspection
The user should always inspect the shipping package for damage. If there is damage evident,
please save the package and notify the shipping company immediately.
General Description
The Hycision hydrogen analyzer is a hand-held device for measuring hydrogen content in a
gas mixture, and is specifically designed to confirm the hydrogen content in a gas mixture
similar to normal air or nitrogen. The analyzer is powered by rechargeable batteries. (Figure
1 shows the top panel.)
Fig. 1. Unit top panel view.
The LCD displays the hydrogen content from 0 to 100% with 0.1% resolution for Hycision-100,
and from 0 – 10% with 0.01% resolution for Hycision-10. When the low battery indicator LED
is on, the unit’s battery needs to be recharged prior to use. The patented sample unit allows
the user to flow a gas mixture through the sensor inside the unit, as well as to seal the gas
mixture in the sensor for measurement.
Operation
Hydrogen Analyzer
Discrete Sampler
Instruction Manual

Hycision Discrete Analyzer Instruction Manual Page 2
C-Squared Inc. 1440 S State College Blvd, Unit 4L, Anaheim, CA 92806
Tel: (714) 999-2791, Fax: (714) 999-2928, sales@c-squaredinc.com, www.c-squaredinc.com
The operation of the unit is very simple and does not require a flow control regulator. The
operation is as simple as 1, 2, 3.
Step 1. Pull up the sensor cap and flow gas mixture
through the gas inlets with a steady flow while using a
finger to block the exhaust for about 10 seconds. (Enough
time to clear the line of any existing gas).
Step 2. Push the sensor cap down firmly to stop the gas
flow and seal the gas mixture inside the device.
Step 3. Turn on the power switch and wait for the display to give a stable reading (less than
one minute), which is the percentage content of helium in the gas mixture tested.
Note: Always turn off the power after you take the reading to extend the battery life
between charging.

Hycision Discrete Analyzer Instruction Manual Page 3
C-Squared Inc. 1440 S State College Blvd, Unit 4L, Anaheim, CA 92806
Tel: (714) 999-2791, Fax: (714) 999-2928, sales@c-squaredinc.com, www.c-squaredinc.com
Cautions
1. The Hydrogen Analyzer is a vibration sensitive device. Please avoid mechanical shock
while handling. Dropping the unit on a hard floor may cause damage to the unit.
2. When operating the Hydrogen unit out doors, please avoid direct sunlight on the unit.
3. The reading should be taken one minute after turning on the power switch. The power
should be turned off after taking the reading.
4. When the unit is not used, always pull up the sensor cap to allow the sensor chamber to be
exposed to ambient air.
Operating Principle
The Analyzer measures the Hydrogen content based on the extreme high thermal conductivity
of hydrogen gas. The unit consists of two main components: one is a sensor block and the
other is the electronic circuit. The patented design allows the unknown gas mixture to flow
through the sensing chamber and seal it inside for measurement. Once the gas mixture is
sealed inside the sensing chamber, the electronic circuit then measures the difference of the
thermal conductivity between the gas mixture and the reference gas. The Hydrogen content is
then calculated by the circuit and displayed.
V:4/04/07