Apex Instruments VSC-33 User manual
VSC-33
Operator’s Manual
APEX INSTRUMENTS, INC.
Method 3 Gas Analysis
ORSAT Analyzer Manual
204 Technology Park Lane
Fuquay-Varina, NC 27526
www.apexinst.com
(919) 557-7300 (800) 882-3214
For Support or Service Contact:
Technical Services Group
(877) 726-3919
VSC-33
VSC-33 Operator’s Manual
Revision Date: 12.27.2018
APEX INSTRUMENTS, INC.
Prices and Terms
All prices are subject to change without notice. The price in effect upon receipt of order will apply (prices are
protected by quotation expiration date). All prices are Ex Works Fuquay-Varina, North Carolina or point of origin.
Terms of payment are Net 30 days with established credit, or by credit card (Visa / MasterCard / American
Express) at time of order. International orders may require payment by irrevocable letter of credit or payment in
advance by wire transfer. Credit terms are discretionary and Apex Instruments reserves the right to change the
credit terms at any time. Invoices over 30 days past due are subject to 1.5% per month finance charge.
Recipient is responsible for examination of order upon delivery to ensure that there are no visible signs of
damaged, missing and/or incorrect pieces. In the event that there are missing, damaged or incorrect packages,
please retain the item(s), indicate the problem on the delivery receipt and contact us within 48 hours of your
delivery. A signed delivery receipt, without notations of missing, damaged or incorrect item(s) represents your
acceptance of the complete order in perfect condition. For any other problem with your order, please refer to our
return policy
Shipments and Delivery
Export Processing and Pricing
Terms and Conditions
Prices do not include customs and duty charges, freight, insurance; export fees, bank wire transaction fees or
additional handling fees.
Prepayment Sales
Unless otherwise instructed, shipments are scheduled in accordance with our quoted delivery lead-time and/or as
soon as possible after receipt of order. Unless otherwise instructed, shipments will be a method of transportation,
which in our judgment is most satisfactory and cost effective. Unless directed to ship freight collect on the
customer's freight account number, freight charges are prepaid and added to the invoice. Apex Instruments, Inc.
reserves the right to make partial shipments where delays beyond our control may delay order shipment.
Fuquay-Varina, NC 27526
All returned material will be subject to an operation evaluation/inspection and the customer will be notified prior to
final disposition. All returns must be shipped freight prepaid at the purchasers' expense. Returned merchandise
may be subject to a restocking fee of up to 25%.
204 Technology Park Lane
Apex Instruments, Inc.
RMA #_________
A Return Merchandise Authorization (RMA) must be obtained from Apex Instruments before returning any goods.
RMA's will only be issued for unused equipment returned in the same condition as shipped. When requesting
return authorization, please advise reason for return, date of purchase, your P.O. number and our invoice number.
Apex Instruments Inc. will work to ship prepay orders a quickly as possible after receipt of payment. Due to
scheduling and production demands shipment from Apex Instruments may be delayed up to but no longer than 10
business days after receipt of payment.
Returned Items
Contact Apex Instruments to receive the RMA. Properly label and package the component and return to:
Equipment manufactured to customer's custom specifications and special-order nonstock items are not returnable.
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APEX INSTRUMENTS, INC.
Additional Important Information
Apex Instruments manufactures and sells its products under the foregoing terms and conditions and will not be
bound to terms and conditions stated by any purchaser in any offer, acceptance or other contractual document.
Placing an order or accepting delivery of products constitutes acceptance of terms and conditions.
Product Limited Warranty Policy
Repair Services Limited Warranty Policy
Some states do not allow disclaimers of implied warranties. Therefore, all implied warranties that may apply to the
component are limited to the duration of this written warranty. Some states also do not allow limitations on how
long an implied warranty lasts or the exclusion or limitation of incidental, special or consequential damages, so the
above information may not apply. This warranty provides specific rights, and there may be other rights which vary
from state to state. Apex Instruments, Inc does not authorize any entity to vary the terms, conditions or exclusions
of this warranty. If any provision of the warranty should become invalid or unenforceable because of any laws, the
remaining terms and provisions of the warranty shall remain in full force and effect. To the extent allowed under
local law, the remedies provided in this Limited Warranty Policy are the purchaser's sole and exclusive remedies.
Apex Instruments, Inc., 204 Technology Park Lane, Fuquay-Varina, NC 27526. Visit us on the web at
www.apexinst.com
Apex Instruments, Inc. warrants products to be free from defects in materials and workmanship for a period of one
year from date of delivery. During the warranty period, we will repair or replace, at our option, any component that
fails due to a defect in materials or workmanship under normal use excluding installation. Items not manufactured
by Apex Instruments are subject to original manufactures warranty. All returns must be shipped freight prepaid at
the purchasers' expense.
Customer is responsible for decontamination of all equipment returned to Apex Instruments. Apex Instruments
reserves the right to return or decontaminate any equipment deemed unsafe or contaminated at the customers
expense.
Contamination
Apex Instruments makes no other warranties, express or implied, including any warranties of merchantability,
condition of any kind or fitness for a particular purpose.
This limited warranty represents the exclusive remedy for any component defect or failure and the total liability of
Apex Instruments for any component it warrants.
Acceptance of Terms and Conditions
Warranty Policy
What is Not Covered
Apex Instruments, Inc. warrants repairs to be free from defects in materials for a period of one year and
workmanship for a period of 90 days from date of delivery. During the warranty period, we will repair any item
Apex Instruments repaired or replaced that fails due to a defect in materials or workmanship under normal use.
Accidents, misuse, abuse and modifications. All forms of corrosion or other environmental conditions including
lightning, natural disasters, improper installation and installation of an incorrect part. Normal wear and tear, used
or salvage parts installed and shipping damage.
This limited warranty does not cover labor cost or incidental, indirect, special or consequential damages such as,
but not limited to, psychical injuries or property damage, loss of time, loss of use of the component,
inconvenience, rental equipment charges, or accommodations resulting from a defect in or failure of the
component. You must be the original purchaser of the component, warranty is not transferrable.
Service Request
For warranty repairs, calibrations or technical support please contact our service department at 919-557-7300.
The service department will issue you a service request number for you to attach to your product when shipping
back to Apex Instruments. All items must be shipped freight prepaid at the purchasers' expense.
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APEX INSTRUMENTS, INC.
TS4-028 Probe 4SC4-S Fitting
Required Filter- See NOTE below
PP-60LSAN15
Single-Headed Peristaltic Pump
TBC-5 Container
with
TB-12x21-P Tedlar Bag
TPOE-4/2YL Tubing
QC-M4-SS Fitting
QC-BHF4V-SS Fitting
SK-M3 Orsat Sampling Kit
Part # Description
TS4-028 Probe, 1/4” x .028” Wall
PP-60LSAN15 Single-Headed Peristaltic Pump
TBC-5 Tedlar Bag Container
TB-12X21-P 12 Liter Tedlar Bag
TPOE-4/2YL 1/4” OD x 1/8” ID Yellow POE Tubing
4SC4-S Fitting for TS4-028 Probe
QC-M4-SS Fitting for Tubing to TB-5 Container
QC-GHF4V-SS Female Valved Fitting for TBC-5 Container
Squeeze Bulb Pump
The heavy wall rubber Squeeze Bulb Pump with stainless steel valves
and connections can be used for gas sampling, pressure source for
calibrations and leak tests, and for conditioning probes and sample
lines.
A-350
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APEX INSTRUMENTS, INC.
NOTE: EPA Method 3 ¶ 6.1.1 Probe. Stainless steel or borosilicate
glass tubing equipped with an in-stack or out-of-stack filter to remove
particulate matter (a plug of glass wool is satisfactory for this purpose).
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APEX INSTRUMENTS, INC.
TABLE OF CONTENTS
I. INTRODUCTION...........................................................................................................4
II. UNPACKING AND REAGENT PREPARATION..........................................................6
III. ASSEMBLY & LEAK CHECK PROCEDURES...........................................................8
IV. OPERATION.............................................................................................................13
V. RESULTS AND CALCULATIONS.............................................................................15
TABLES
TABLE 1 LIST OF PARTS, VSC-33.................................................................................6
TABLE 2 VSC-33 VALVE POSITIONS...........................................................................12
TABLE 3 F FACTORS FOR FOSSIL FUELS................................................................18
FIGURES
FIGURE 1 VSC-33 ORSAT ANALYZER WITH TEDLAR BAG CONTAINER..................4
FIGURE 2 VSC-33 PARTS DIAGRAM............................................................................5
FIGURE 3 VSC-33 GLASSWARE SET-UP.....................................................................8
FIGURE 4 MARKING PIPETTE CAPILLARIES............................................................10
FIGURE 5 TOP VIEW OF ORSAT WITH TEDLAR BAG
FIGURE 6 VSC-33 VALVE POSITION SCHEMATIC.....................................................12
FIGURE 7 MEASURING SAMPLE VOLUME USING LEVELING BOTTLE..................15
0
ATTACHED TO PIPETTE BOTTLES...........................................................10
I. Introduction
The analysis of gas samples to determine their oxygen (O2) and carbon dioxide (CO2)
composition is an important procedure during the course of a source test. This information is required in
order to calculate the flue gas molecular weight so that effluent velocities and volumetric flow rates can
be calculated. At this time the pollutant conc entrations can be corrected to a reference diluent
concentration, such as seven percent oxygen or twelve percent carbon dioxide. Absorptiometric gas
analysis has long been a chief technique for the determination of O2 and CO2 concentrations for these
purposes.
The Apex Instruments VSC-33 Orsat Analyzer (see
Figure 1) consists of a graduated glass burette and
three absorption pipettes. The burette and the pipettes are each fitted with three-way gas stopcocks,
which enable the operator to load the analyzer with a gas sample, and then to direct the sample to the
appropriate pipettes for analysis.
The sample is exposed to absorbing reagents in the pipettes to remove carbon dioxide, oxygen, ( carbon
monoxide). Each absorption pipette consists of a reagent bottle, a gas absorption bottle, with a three-way
stopcock. During analysis, the volume of gas is measured before and after each absorption, under
constant pressure and temperature. Any decrease in the sample gas volume is measured using the
burette, and represents the amount of constituent that was present, with results reported on a volume
percentage basis.
Figure 1 VSC-33 Orsat Analyzer
The pipettes are arranged so that a gas sample can be drawn into the analyzer, exhausted to the
atmosphere, or directed to any of the absorption pipettes for gas analysis. A multi-compartment gas
expansion bag is attached to the pipette reagent bottles to prevent exhaustion of the absorbents through air
contact, and also to protect a long-standing sample from being slowly diffused with air. The bottom of the
burette is connected to a leveling bottle which contains a confining liquid, consisting of an acidic sulfate
solution. The confining solution is acidic in order to minimize diffusion of the gas sample into the solution
during analytical procedures. By adjusting the height of the leveling bottle, gases in the burette can be
brought to any desired volume, relative to the pressure of the confining liquid.
/18
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APEX INSTRUMENTS, INC.
4
Figure 2 VSC-33 Parts Diagram
/18
GA-GL-18C
GA-15C
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APEX INSTRUMENTS, INC.
5
II. Unpacking And Reagent Preparation
The gas analysis apparatus is shipped disassembled in the VersaCase. Unpack the contents
carefully, saving all the packaging material until the parts have been examined for shipping damage and
the Orsat has been completely assembled. Check each item against the packing list below. If any item is
damaged or missing, notify your supplier or Apex Instruments immediately.
Table 1 List of Parts, VSC-33
Quantity Part
Number Description
1 VSB-3 VersaCase III
1 VSB2-MP Orsat Mounting Panel
18 HD1005 1/4-20 3-in. Pan Head Phillips Screws
18 HD1422 1/4-20 Large Brass Knurled Nuts
8 HD1082 8-32 1/4-in Pan Head Phillips Screws
9 VC2-50 2-inch VC Burette Clamp
1 TB-3V-P Gas Expansion Bag-3 Compartment
1 OG-1V 100-ml gas measuring burette with 3-way valve and
water jacket
1 OG-2 Aspirator bottle with hose barb and #22 thread
3 OG-5V Contact Pipette
3 OG-5B Pipette Bottle
1 GA-15C #15 Screw cap, solid
1 GA-22C #22 Screw cap, solid
3 GA-30B #30 Bored cap
3 GA-30S 30-mm Silicone Seal Ring
9 ft TR-5/3 Rubber Tubing
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APEX INSTRUMENTS, INC.
6
Reagents
Absorbing reagents for the VSC-33 are not shipped with the glassware assemblies. These
chemicals are either shipped directly from the vendor, or reagents may be mixed according to the recipes
presented below. It is recommended persons preparing the reagents possess basic laboratory skills.
1. Confining Solution, (for use in burette). Add 100 g of sodium sulfate (NaSO4) to 500 ml distilled
water. To this solution, add 20 ml concentrated sulfuric acid, (H 2SO4), and a few drops of methyl
orange indicator.
2. Potassium hydroxide solution, 45%, (for CO2 absorption). This solution can be purchased from
chemical suppliers in 500 ml containers. Alternatively, the solution can be made by adding 440 g
potassium hydroxide crystals to 1 liter distilled water.
3. Potassium pyrogallate solution, (for O2 absorption). Add 22 g of pyrogallol (pyrogallic acid; 1,2,3-
trihydroxybenzene) to 500 ml of 45% (w/w) KOH solution prepared in Step 2.
4. Cuprous chloride solution, acidic, (for CO absorption). Carefully add 650 ml of concentrated
hydrochloric acid (HCl) to 325 ml distilled water. Slowly, and with frequent mixing, add a mixture
of 86 g copper (II) oxide (CuO) and 17 g of metallic copper to the HCl solution. After addition of
the CuO/Cu mixture, suspend a spiral copper wire to the bottom of the container. Shake
occasionally. When the solution becomes colorless, it is ready for use.
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APEX INSTRUMENTS, INC.
7
Solution for determining Carbon Monoxide in gas analysis, 8 oz bottles.
Cases Only. 12 per Case.
Replacement Fluids
Burrell Oxsorbent
For Domestic Delivery Only
Cases Only. 12 per Case.
to Hazardous Classification
Drop Ship Direct Only due
Solution for determining oxygen in gas analysis, 8 oz bottles.
Burrell Cosorbent
B39-710
B39-720
Burrell Disorbent
Cases Only. 12 per Case.
Solution for determining Carbon Dioxide in gas analysis,16 oz, bottles.
B39-730
Table of contents
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