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The Products Section >Continuous Monitoring - Single Point Applications

If you need to perform gas detection at only one point, or have several points that are either widely separated, or would each be better served by a self-contained monitoring system, check out Interscan's LD or RM Series. These tough, field-proven units are available for Br2, CO, Cl2, ClO2, C2H4, ethylene oxide, HCHO, H2, hydrazine, HBr, HCl, HCN, H2S, NO, NO2, O3, propylene oxide, and SO2.

-- and use our own patented electrochemical voltametric sensors.

 

LD Series
  photo
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Interscan's LD Series represents the ultimate in single point continuous gas monitoring systems. Each and every component has been chosen based on years of experience in some of the most demanding environments imaginable. What's more, the units are easy and inexpensive to maintain.

An impressive array of options allows the specifier to put together a system ideally suited to the application at hand.

 

 

Options

  • Alternative packaging, including Type X or Type Z purged enclosures and RFI resistant enclosures
  • Audible alarm
  • Visual alarm
  • Enclosure heating and cooling
  • Loss of flow alarm
  • Triple alarm set points
  • Loss of power alarm
  • Aspirator (in lieu of pump)
  • Auto zero
  • Sensor protection circuit
 

Features

  • Super-rugged NEMA Type 4X fiberglass reinforced polyester enclosure
  • 3½ digit LED display
  • Integral diaphragm pump
  • Rotameter
  • Analog output---
      0-1 V & 4-20 mA full scale
  • Low and high alarm contacts, continuously adjustable through the full scale measuring range, activating dedicated relays

Additional Specs

Resolution

0-1999 ppm range1 ppm
0-199.9 ppm range 0.1ppm
0-19.99 ppm range0.01ppm
ppb ranges 1 ppb

Weight:
22 lb (10.0 kg)

Dimensions:
22" H x 18" W x 8.5" D
(559 x 457x 216 mm)

Specifications common to all Interscan gas detection instruments

 

RM Series
 
photo

Interscan's Rack-Mount configured gas analyzers are intended for those applications in which line power operation is desired (allowing continuous operation and the incorporation of heavier-duty alarm signals or alarm contacts), but in which the rigorous NEMA 4X packaging of the LD Series is not required.

Designed to be installed in a standard 19 inch (483 mm) rack or to be used on the bench, their open frame construction and use of standard electrical and pneumatic components allow easy incorporation of the units into a system. Many of the LD Series' features and options are available.

 

Options

  • Integral pump
  • Rotameter
  • Loss of flow alarm
  • 4-20 mA analog output
  • Alarm contacts
  • Dual alarm set points
  • Triple alarm set points
  • Loss of power alarm
  • Slide rail hardware and access door, for rack mounting

 

 

Features

  • 3½ digit LED display
  • Wrap-around cover
  • 0-1 V analog output

Additional Specs

Resolution

0-1999 ppm range1 ppm
0-199.9 ppm range 0.1ppm
0-19.99 ppm range0.01ppm
ppb ranges 1 ppb

Weight:
8 lb (3.6 kg)

Dimensions:
7" H x 19" W x 12" D
(178 x 483 x 305 mm)

Specifications common to all Interscan gas detection instruments

 

 

Ordering Information:
LD Series Continuous Gas Monitoring Systems and
RM Series Rack Mount Gas Analyzers

GAS

MEASURING
RANGE (ppm)

unless otherwise indicated

LD SERIES
Model No.
 †

RM SERIES
Model No.
 †

Br2
bromine
0-1999
0-199.9
0-19.99
0-5
LD70-1999m
LD70-199.9m
LD70-19.99m
LD70-5m
RM70-1999m
RM70-199.9m
RM70-19.99m
RM70-5m
CO
carbon monoxide
0-1999
0-199.9
0-50
LD14-1999m
LD14-199.9m
LD14-50m
RM14-1999m
RM14-199.9m RM14-50m
Cl2
chlorine
0-1999
0-199.9
0-19.99
0-5
LD34-1999m
LD34-199.9m
LD34-19.99m
LD34-5m
RM34-1999m
RM34-199.9m RM34-19.99m
RM34-5m
ClO2
chlorine dioxide
0-1999
0-199.9
0-19.99
0-1999 ppb
LD33-1999m
LD33-199.9m
LD33-19.99m
LD33-1999b
RM33-1999m
RM33-199.9m
RM33-19.99m
RM33-1999b
C2H4
ethylene
0-1999
0-199.9
0-19.99
0-5
LD07-1999m
LD07-199.9m
LD07-19.99m
LD07-5m
RM07-1999m
RM07-199.9m
RM07-19.99m
RM07-5m
EtO
ethylene oxide
0-1999
0-199.9
0-19.99
0-5
LD20-1999m
LD20-199.9m
LD20-19.99m
LD20-5m
RM20-1999m
RM20-199.9m
RM20-19.99m
RM20-5m
HCHO
formaldehyde
0-1999
0-199.9
0-19.99
0-1999 ppb
LD16-1999m
LD16-199.9m
LD16-19.99m
LD16-1999b
RM16-1999m
RM16-199.9m
RM16-19.99m
RM16-1999b
H2NNH2
CH3NHNH2
(CH3)2NNH2
hydrazine(s) ¶
0-1999
0-199.9
0-19.99
0-1999 ppb
LD18-1999m
LD18-199.9m
LD18-19.99m
LD18-1999b
RM18-1999m
RM18-199.9m
RM18-19.99m
RM18-1999b
H2
hydrogen
0-1999
0-500
LD02-1999m
LD02-500m
RM02-1999m
RM02-500m
HBr
hydrogen bromide
0-1999
0-199.9
0-19.99
0-5
LD80-1999m
LD80-199.9m
LD80-19.99m
LD80-5m
RM80-1999m
RM80-199.9m
RM80-19.99m
RM80-5m
HCl
hydrogen chloride
0-1999
0-199.9
0-19.99
0-5
LD36-1999m
LD36-199.9m
LD36-19.99m
LD36-5m
RM36-1999m
RM36-199.9m
RM36-19.99m
RM36-5m
HCN
hydrogen cyanide
0-1999
0-199.9
0-19.99
0-5
LD28-1999m
LD28-199.9m
LD28-19.99m
LD28-5m
RM28-1999m
RM28-199.9m
RM28-19.99m
RM28-5m
H2S
hydrogen sulfide
0-1999
0-199.9
0-19.99
0-1000 ppb
LD17-1999m
LD17-199.9m
LD17-19.99m
LD17-1000b
RM17-1999m
RM17-199.9m
RM17-19.99m
RM17-1000b
NO
nitric oxide
0-1999
0-199.9
0-19.99
0-5
LD54-1999m
LD54-199.9m
LD54-19.99m
LD54-5m
RM54-1999m
RM54-199.9m
RM54-19.99m
RM54-5m
NO2
nitrogen dioxide

Also known as N2O4
nitrogen tetroxide
0-1999
0-199.9
0-19.99
0-5
LD15-1999m
LD15-199.9m
LD15-19.99m
LD15-5m
RM15-1999m
RM15-199.9m
RM15-19.99m
RM15-5m
O3
ozone
0-1999
0-199.9
0-19.99
0-5
LD48-1999m
LD48-199.9m
LD48-19.99m
LD48-5m
RM48-1999m
RM48-199.9m
RM48-19.99m
RM48-5m
PrO
propylene oxide
0-1999
0-199.9
0-19.99
0-5
LD32-1999m
LD32-199.9m
LD32-19.99m
LD32-5m
RM32-1999m
RM32-199.9m
RM32-19.99m
RM32-5m
SO2
sulfur dioxide
0-1999
0-199.9
0-19.99
0-5
LD24-1999m
LD24-199.9m
LD24-19.99m
LD24-5m
RM24-1999m
RM24-199.9m
RM24-19.99m
RM24-5m

  † These are the new model numbers. Certain other sources may not reflect this system, while the changeover is occurring. If in doubt, specify the gas and the measuring range desired.

  ¶ There is not a separate analyzer available for each of these compounds, and the sensor does not respond equally to all hydrazine species. The analyzer must be calibrated with the specific hydrazine compound of interest.

Analog or control output can be set to meet individual needs.  e.g. 0-1 V and 4-20 mA could be specified to equal 0-100 PPM CO on the LD-14.

Special ranges available on request—The panel meter can be factory programmed to display any desired full scale range, within the measuring capability of the instrument.


  

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