RM Series Gas Monitoring

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, H₂O₂, H₂S, NO, NO₂, O₃, peracetic acid, propylene oxide, and SO₂

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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.

Features

3½ digit LED display
Integral pump and rotameter
0-100 mV analog output—adjustable
Turns-counting potentiometers
Wrap-around cover

Options

4-20 mA analog output
Alarm contacts
Dual alarm set points
Loss of sample flow alarm
Loss of power alarm
Auto zero

Specifications

Accuracy	Analog units: ±2.0% of full scale Digital units: ±2.0% of reading, ±1 least significant digit (Limited to accuracy of calibration standard)
Repeatability	±0.5% of full scale
Minimum Detectability	1.0% of full scale [Better on certain digital models] Note that any data obtained at the level of minimum detectability will not be accurate.
Linearity	±1.0% of full scale
Zero Drift	±1.0% of full scale
Span Drift	Less than ±2.0% of full scale (24 hours) The zero and span drift specifications assume that the analyzer is equilibrated, and is at constant temperature, with a properly maintained sensor. “Drift” is defined as an undesired change in output over a period of time, which change is unrelated to input, operating conditions, or load.
Lag Time	Less than 1 second
Calibration	Against standard gas mixture, or via INTERSCAN’s Electronic Calibration Service
Compliance with EC Directives on RoHS and WEEE	Compliant. Refer to detailed information.
Operating temperature range	4000 Series: 32°-120° F (0-48.9° C) ¦ LD and Multipoint models can be outfitted with thermostatic enclosures.

Measuring Range	Resolution
0-2000 ppm	1 ppm
0-1000 ppm	1 ppm
0-500 ppm	1 ppm
0-200 ppm	1 ppm
0-200.0 ppm	0.1 ppm
0-100.0 ppm	0.1 ppm
0-50.0 ppm	0.1 ppm
0-20.0 ppm	0.1 ppm
0-5.00 ppm	0.01 ppm
0-2.00 ppm	0.01 ppm
0-1.00 ppm	0.01 ppm
NOTE: Not all measuring ranges are available for all gases.

Weight: 8 lb (3.6 kg)

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

Ordering Information

GAS	MEASURING RANGE (ppm)	LD SERIES Model No. †	RM SERIES Model No. †
Br₂ bromine	0-20.0 0-5.00	LD70-20.0m LD70-5.00m	RM70-20.0m RM70-5.00m
CO carbon monoxide	0-2000 0-200.0 0-100.0 0-50.0	LD14-2000m LD14-200.0m LD14-100.0m LD14-50.0m	RM14-2000m RM14-200.0m RM14-100.0m RM14-50.0m
Cl₂ chlorine	0-20.0 0-5.00	LD34-20.0m LD34-5.00m	RM34-20.0m RM34-5.00m
ClO₂ chlorine dioxide	0-20.0 0-5.00 0-2.00	LD33-20.0m LD33-5.00m LD33-2.00m	RM33-20.0m RM33-5.00m RM33-2.00m
C₂H₄ ethylene	0-2000 0-200.0 0-20.0 0-5.00	LD07-2000m LD07-200.0m LD07-20.0m LD07-5.00m	RM07-2000m RM07-200.0m RM07-20.0m RM07-5.00m
EtO ethylene oxide	0-50.0 0-20.0 0-5.00	LD20-50.0m LD20-20.0m LD20-5.00m	RM20-50.0m RM20-20.0m RM20-5.00m
HCHO formaldehyde	0-20.0 0-2.00	LD16-20.0m LD16-2.00m	RM16-20.0m RM16-2.00m
H₂NNH₂ CH₃NHNH₂ (CH₃)₂NNH₂ hydrazine(s) ¶	0-20.0 0-2.00	LD18-20.0m LD18-2.00m	RM18-20.0m RM18-2.00m
H₂ hydrogen	0-2000 0-500	LD02-2000m LD02-500m	RM02-2000m RM02-500m
HBr hydrogen bromide	0-20.0 0-5.00	LD80-20.0m LD80-5.00m	RM80-20.0m RM80-5.00m
HCl hydrogen chloride	0-20.0 0-5.00	LD36-20.0m LD36-5.00m	RM36-20.0m RM36-5.00m
HCN hydrogen cyanide	0-50.0 0-20.0 0-5.00	LD28-50.0m LD28-20.0m LD28-5.00m	RM28-50.00m RM28-20.0m RM28-5.00m
H₂O₂ hydrogen peroxide	0-1000 0-200.0 0-50.0 0-20.0 0-5.00	LD09-1000m LD09-200m LD09-50.0m LD09-20.0m LD09-5.00m	RM09-1000m RM09-200m RM09-50.0m RM09-20.0m RM09-5.00m
H₂S hydrogen sulfide	0-500 0-200.0 0-20.0 0-1.00	LD17-500m LD17-200.0m LD17-20.0m LD17-1.00m	RM17-500m RM17-200.0m RM17-20.0m RM17-1.00m
NO nitric oxide	0-2000 0-200.0 0-20.0 0-5.00	LD54-2000m LD54-200.0m LD54-20.0m LD54-5.00m	RM54-2000m RM54-200.0m RM54-20.0m RM54-5.00m
NO₂ nitrogen dioxide Also known as N₂O₄ nitrogen tetroxide	0-50.0 0-20.0 0-5.00	LD15-50.0m LD15-20.0m LD15-5.00m	RM15-50.0m RM15-20.0m RM15-5.0m
O₃ ozone	0-50.0 0-20.0 0-5.00	LD48-50.0m LD48-20.0m LD48-5.00m	RM48-50.0m RM48-20.0m RM48-5.00m
PAA peracetic acid Also known as peroxyacetic acid	0.50.0 0-20.0 0-5.00	LD89-50.0m LD89-20.0m LD89-5.00m	RM89-50.0m RM89-20.0m RM89-5.00m
PrO propylene oxide	0-50.0 0-20.0 0-5.00	LD32-50.0m LD32-20.0m LD32-5.00m	RM32-50.0m RM32-20.0m RM32-5.00m
SO₂ sulfur dioxide	0-200.0 0-50.0 0-20.0 0-5.00	LD24-200.0m LD24-50.0m LD24-20.0m LD24-5.00m	RM24-200.0m RM24-50.0m RM24-20.0m RM24-5.00m

RM Series Gas Monitoring

Features

Options

Specifications

Ordering Information

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LD Series Gas Monitoring