Model 3641 Nitrogen Dioxide Monitor

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The Model 3641 Smart Remote is an atmospheric gas monitor capable of monitoring Nitrogen Dioxide concentration.

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Product Description

The Model 3641 Smart Remote is an environmental gas monitor capable of detecting concentrations of Nitrogen Dioxide and appropriately adjusting the 4-20mA current loop. The Model 3641 Smart Remote provides user configurable alarm and warning setpoints for the unit when gas levels go above certain
levels.

The device has LED indicators for Alarm and Warning gas levels. These values and other settings can be configured locally at the unit using the device keypad.

The display on the front of the unit features a four character Liquid Crystal Display (LCD) which shows the gas concentration level. There are also two LED mounted on the unit which indicates if the gas concentration has surpassed the set limit for the alarm program. There are two possible setpoints for gas concentration, a warning level and an alarm level. A warning condition will occur if the gas value increases above the Warning Setpoint, when this condition occurs, the Warning LED will automatically activate.

Product Features

Voltage 10-30 VDC
Temperature Rating -20 °C to 50°C
Display LCD 4 Character 0.5” high, wide viewing angle
Weight 3.5 lbs. (1.6 kg.)
Dimensions 9” H x 7.75” W x 4.375” D
Warranty The Model 3641 has a warranty of 90 days. This warranty covers any defect which proves to be in materials and/or workmanship. This warranty shall be considered void on any unit which has been subjected to misuse, neglect, accident, or used in violation of instructions. Modifications to this unit or usage of unauthorized replacement parts will totally void any and all warranty, service and liability responsibility implied, expressed, or written.
Gas monitored Nitrogen Dioxide
Measuring Range 0-50 ppm
Accuracy ± 2 ppm
Output 4-20 mA
Output Linearity Linear ± 2%
Drift < 2% per month
Response Time T63% 15 s
Operating Life > 2 years (in clean air)
Weight 3.5 lbs. (1.6 kg.)
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