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All Categories > By Primary Gas to be Measured > Chlorine Analyzers (Cl2) > Wall-mounted Air Monitors > Continuous Chlorine Alarm Monitors - 541 Series > Item # Model 541D/P  


Item # Model 541D/P, Model 541D or P, Chlorine Alarm Monitor, diffusion or pump, Wall Mounted

The Nova 541 Series chlorine alarm monitors are designed for the continuous detection of Cl2 in ambient air. The Cl2 sensor is capable of excursions over 100 PPM with no damage. The Cl2 sensor is a disposable electrochemical type with an expected life of between 3-4 years. The sensor needs no warm-up time and is ready to go as soon as the monitor is turned on. Two versions are available as shown below.

 

Models:

  • 541D - Diffusion sensor, no pump and no moving parts; excellent for monitoring in immediate local environment
  • 541P - Pumped sample version; pump pulls air sample from wider area or from another isolated environment, such as from a closed room





Specifications  · Applications  · Features  · Options  · Calibration  · Unique Applications

Specifications

Method of Detection
PPM Cl2 by electrochemical sensor

Ranges Available
0-20 PPM standard

Resolution
1 PPM

Accuracy & Repeatability
Better than 1% of full scale or 1 PPM, whichever is higher

Drift
Less than 1% of full scale or 2 PPM per week, whichever is greater

Response Time (T-90)
Less than 60 seconds to 90% step change

Ambient Temperature Range
40 to 104°F (4 to 40°C)

Linearity
± 1% of full scale or 1 PPM, whichever is higher

Size & Weight
20" H x 16" W x 10" D @ 20lbs. (51 x 41 x 26 cm @ 10kg)

Power
115 VAC, 60 Hz
220 VAC, 50 Hz

Output Options
4-20 mA

Alarms
Optional High alarm with SPDT contacts with 10A 115VAC rating

Area Rating
General Purpose Non-Hazardous only


Applications
Designed for the continuous monitoring of chlorine (Cl2) in ambient air at water treatment plants, chlorine production plants, commercial swimming pools, or any area in which chlorine is handled or stored.


Features
  • Electrochemical Cl2 cell
  • Fast response to the presence of chlorine in the air
  • Instant warm-up, no wait
  • Touchcreen digital readout
  • Easy use and calibrate
  • Easy-to-maintain modular layout
  • 4-20mA non-isolated output
  • NEMA 12 dust-tight enclosure


Options
  • Alarm with on-screen indication, relay contact, and audible alarm with acknowledge button
  • Strobe light for alarm indication
  • 541D - Diffusion sensor, no pump and no moving parts; excellent for monitoring in immediate local environment
  • 541P - Pumped sample version; pump pulls air sample from wider area or from another isolated environment, such as from a closed room


Calibration
  • On chlorine-free air or nitrogen for Zero
  • On analyzed calibration gas of Cl2 in air for Span


Unique Applications
All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova at 1-800-295-3771. In many cases, we are able to build an analyzer specific to your needs.



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