LD 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 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.
Features
- 3½ digit LED display
- Rotameter
- 0-1 V & 4-20 mA full scale
- Low and high alarm contacts, continuously adjustable through the full scale measuring range, activating dedicated relays
Options/Accessories
- Audible alarm (piezo or vibratory horn)
- Visual alarm (strobe or rotating beacon)
- Enclosure heating and cooling
- Intrinsic safety via Type X, Y, or Z purging
- Loss of power alarm
- Loss of sample flow alarm
- Sensor protection circuit
- Remote displays
- Auto zero (included as standard for certain lower measuring ranges)
- Auto pump shut-off/auto restart (useful in sterilant monitoring applications)
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: 22 lb (10.0 kg)
Dimensions: 22″ H x 18″ W x 8.5″ D (559 x 457 x 216 mm)