Optec, Inc.
How to Order - NGN
NGN Nephelometer
Optec can assist with advice and equipment for the installation of a NGN monitioring site. However, our involvement is limited and on-site participation is not possible. If your require on-site assistance or a complete turn-key installation including our products, towers, data loggers, solar power, heated lab sheds, etc., we at Optec recommend Air Resource Specialist, Inc.
- Of course, the technical manual
and papers in the Publication pages need to be read and understood.
The NGN-2a and -3a requires much advanced preparation if the installation
is going to be successful. Call Optec and we will review your application
and requirements.
- The standard package from Optec usually consists
of the instrument (#88100 NGN-2a or #88125 NGN-3a) and a power supply
(#86905 for outdoor use or #88905 for indoor).
- A short lab cable assembly
is included with the standard package so that the instrument can be
operated on the bench and the instrument variables setup.
- Connector
parts are include for the user to construct a power and data cable
for the main installation. Optec can construct this cable for a slight
charge if requested. Refer to to #88901 for the cost per foot of cable.
- A span gas apparatus is need for calibration. Parts are included in
the standard package for use with the customer's own span gas device.
These parts include: hepa filter, orfice and brass hose fitting. Consider
the Optec Span Gas apparatus (#88915) if you wish not to construct
your own. For multiple instrument purchases, only one apparaturs is
required. The 1 lb SUVA 134a gas cylinder is not avaialable from Optec
since shipping compressed gas is usually not allowed. This product
is available from most automotive supply stores for only a few dollars
per can. Do not purchase the product with leak seal additive.
- The
standard package includes the PC windows control and data logging
software. Updates are free from our web site. Locate the Software
Download link on the NGN pages.
- Other items to consider are: extra
lamps (#88610), replacement filters for the clean air canister (#88605)
and an extra clean air canister ( (#88600) so that filter media changes
do not have to be done in the field.