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2KC Solutions GCH500 Operator's Manual

Made by: 2KC Solutions
Type: Operator's Manual
Category: Heater
Pages: 4
Size: 0.46 MB

 

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Natural gas sampling standards (GPA 2166 and API 14.1) recommend 
that before using the fi ll and empty method to collect a sample, the 
cylinder must be preheated to a temperature above the hydrocarbon dew 
point of the fl owing gas stream. The GCH500 provides a simple, effi

  -

cient solution to cylinder preheating. It consist of a heater enclosure and 
a controller.  The sample cylinder is preheated inside your vehicle on the 
way to, or at, the sample location. Heating takes about 10 minutes.  To 
use the GCH500 just insert a clean empty cylinder into the heater enclo-
sure and connect the controller cable to the heater. Power for the heater 
is taken from a vehicle 12 volt power point or cigarette lighter plug.  
While heating, the sample cylinder’s temperature can be monitored us-
ing the controller’s display. When fully heated, the controller will keep 
the cylinder at the set temperature (140°F) until you are ready to discon-
nect the controller from the heater and take the sample.  The hot cylinder 
stays in the heater enclosure until the sampling process is fi nished to 
provide a safe method to handle the heated cylinder while taking the 
sample without the need for gloves. 

GCH500

500cc Gas Cylinder Heater

Operator’s Manual

•  Designed to preheat a standard 2” OD 500cc gas sample cylinder

•  Low power (100 wa  s @ 12V DC) plugs directly into a cigare  e 

lighter

•  Works with either stainless steel or aluminum cylinders

•  Quickly preheats cylinder to 140°F, Cold to Hot in about 10 minutes

•  Microprocessor based temperature controller with digital tempera-

ture display

•  Rugged plas  c case provides a safe compact environment for heat-

ing the cylinder plus a safe and durable method for handling the 
heated cylinder

•  Enclosure insulates heated cylinder to allow for addi  onal hot sam-

pling   me

•  Four heaters and four temperature sensors help insure uniform 

hea  ng of the sample cylinder

•  Increased safety provided by thermal fuses and transient protec  on 

diodes

Overview

Features

130-0036 Rev 2, © copyright Microflex, LLC 2011-2017 - 2KC Solutions is a trademark of Microflex, LLC 

 


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Operation

Operating Procedure

 

► Open the heater enclosure and insert a clean dry 

500cc sample cylinder into the cylinder clip.

 

► Close the heater enclosure and secure the latches.

 

► Locate the heater socket on the GCH heater and 

unscrew the protection cap.

 

► Connect the heater plug on the control cable to the 

heater socket on the GCH heater. Twist the locking 
ring clockwise to lock it into place.

 

► Plug in the power cable into a standard auto 

cigarette lighter or 12 volt power point.

 

► The controller display will show the approximate 

cylinder temperature while heating the cylinder 
to the set temperature (140°F for the GCH140 
controller).

 

► After the cylinder has reached the desired 

temperature and you are ready to take a sample, 
disconnect the cable from the heater. Replace the 
connector protection cap on the GCH500 connector.

 

► With the heater in the enclosure, begin the sample 

collection process.

 

► After the sample is collected, remove the cylinder 

from the enclosure.  There is no longer any need 
to heat the cylinder until the sample is ready to be 
analyzed at a gas lab.

 

► Repeat this process to preheat the next cylinder.

The following operating procedures will guide you 
through connecting the controller to the heater and pre-
heating a sample cylinder. 
For best heating effi

  ciency, use clean sample cylinders 

and avoid stickers, labels or any material on the sides of 
the cylinder. It is important that the sample cylinder make 
good thermal contact with the cylinder clip. Dirt or stick-
ers on the sample cylinder will interfere with heat fl ow 
from the heaters to the sample cylinder and could aff ect 
performance.
During the heating process the controller continuously 
monitors the four temperature sensors.  The average of 
the sensor’s readings is used to control the heaters.  A 
large diff erence between any two sensor readings is an 
indication of a possible heater failure. For example a 
bad heater would be detected as a warm reading on one 
sensor and a cooler reading on the sensor next to the bad 
heater.  When an error is detected, an error or “E2” code 
will show on the controller display in place of the tem-
perature reading. If the heater plug is disconnected from 
the heater while power is still on, the controller display 
will change to a scrolling “.” character indication that the 
controller can no longer read the temperature sensors.  
When the plug is reconnected, the sensors will be detect-
ed and the display will return to displaying the cylinder 
temperature.

Maintenance

• 

Only heat clean dry sample cylinders.

• 

Do not apply power to the controller in hazardous 
locations.

• 

Do not connect the controller to the heater in haz-
ardous locations.

• 

Do not place the heater on surfaces that may be 
damaged by heat.

WARNING

The sample cylinder and metal surfaces within the 
heater enclosure may be hot.
Handle the cylinder by the end valves when removing 
the heated cylinder from the enclosure. 

CAUTION

Keep the cylinder clip inside the heater clean and dry for 
maximum effi

  ciency.  Use a damp cloth to wipe off  debris 

from the clip surface and both the inside and outside of 
the heater enclosure.  Avoid moisture on the connectors.  
Excessive moisture may interfere with the controllers 
ability to read the temperature sensors.  To keep the con-
nector clean and dry, use an electronics contact cleaner 
that leaves no residue and that does not harm plastics.

Note: If there is a temperature diff erence between 
the cylinder and the heater assembly, it may take 
several minutes before the controller reads the 
correct cylinder temperature when a cylinder is fi rst 
inserted into the heater.

130-0036 Rev 2, © copyright Microflex, LLC 2011 - 2KC Solutions is a trademark of Microflex 

 


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Specifications

Heaters .............................................................. 100 Watts @ 12V
Cylinder Size ................................................... 500cc x 2.00” O.D.
Over-temperature Protection ............................Thermal Fuses (4)
Temp Sensor Accuracy ....................................................... ±2.0°C
Weight ................................................................................... 1 Lb.

 

 


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Limited Warranty

Service

Microfl ex, LLC warrants this unit against defects in materials and workmanship for a period of one year 
from the date of shipment.  Microfl ex, LLC will, at its option, repair or replace equipment that proves to be 
defective during the warranty period.  This warranty includes parts and labor.

A Return Materials Authorization (RMA) number must be obtained from the factory and clearly marked on 
the outside of the package before equipment will be accepted for warranty work.

Microfl ex, LLC believes that the information in this manual is accurate.  In the event that a typographical 
or technical error exist, Microfl ex, LLC reserves the right to make changes without prior notice to holders 
of this edition.  The reader should consult Microfl ex, LLC if any errors are suspected.  In no event should 
Microfl ex, LLC be liable for any damages arising out of or related to this document or the information 
contained in it.

EXCEPT AS SPECIFIED HEREIN,  MICROFLEX, LLC MAKES NO WARRANTIES OR 
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  CUSTOMER’S RIGHT 
TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF 2KC 
SOLUTIONS, LLC SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE 
CUSTOMER.  MICROFLEX, LLC WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM 
LOSS OF DATA, PROFITS, USE OF PRODUCTS, OR INCIDENTAL OR CONSEQUENTIAL 
DAMAGES, EVEN IF ADVISED OF THE POSSIBILITIES THEREOF.  This limitation of the liability 
of Microfl ex, LLC will apply regardless of the form of action, whether in contract or tort, including 
negligence.  Any action against Microfl ex, LLC must be brought within one year after the cause of action 
accrues.  The warranty provided herein does not cover damages, defects, malfunctions, or service failures 
caused by owners failure to follow 2KC Solutions installation, operation, or maintenance instructions; 
owners modifi cation of the product; owner’s abuse, misuse, or negligent acts; and power failure or surges, 
fi re, fl ood, accident, actions of third parties, or other events outside reasonable control.

The GCH500 has no fi eld serviceable components.  For service please contact your distributor 
listed below for a Return Materials Authorization number (RMA).

130-0036 Rev 2, © copyright Microflex, LLC 2011 - 2KC Solutions is a trademark of Microflex 

www.2KCsolutions.com

Microfl ex, LLC
2202 Red Bird Lane
Brookshire, Texas 77423

Phone: 281-855-9639
Fax: 832-422-4391
www.microfl x.com