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CMS300 | Carbon monoxide transmitter & switch | 0-300 PPM | 4-20 mA/2-10 V (maximum load 2K Ω) | Dwyer Instruments
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Details for CMS300
Dwyer Instruments CMS300 Carbon Monoxide Transmitter with SwitchAccurately monitor and detect carbon monoxide levels with the Dwyer Instruments CMS300 Carbon Monoxide Transmitter. This device features a 4-20 mA output signal, providing precise and continuous readings for monitoring purposes. Its built-in switch allows for easy integration into alarm systems, ensuring timely alerts in case of elevated carbon monoxide levels. The CMS300 is suitable for various industrial and commercial applications, includingHVAC systemsGas detection systemsAir quality monitoringConfined space monitoringThe compact design and simple installation process make it a convenient solution for both new and existing systems. Trust Dwyer Instruments' expertise in providing reliable and accurate gas detection solutions. Shop our HVAC supply store today for the best prices and fast shipping on the Dwyer Instruments CMS300 Carbon Monoxide Transmitter!
MODEL CMS300 CARBON MONOXIDE TRANSMITTER AND SWITCH
Current/Voltage Selectable Output, Jumper Selectable SPDT Relay Contact
The Model CMS300 Carbon Monoxide Transmitter and Switch provides a fieldselectable current or voltage output that is proportional to the carbon monoxideconcentration in underground parking garages, vehicle maintenance facilities, ormechanical rooms. An integral relay can be used for alarm conditions and is configuredwith preset jumper selectable ranges of 25, 60, or 150 PPM. Field calibration can bedone by using Model GCK-200CO-2000CO2 calibration gas, Model A-507 calibrationadapter, and the on board zero and span potentiometers.
Product Applications
- Garage or loading dock ventilation
- Vehicle maintenance facilities
- Mechanical room monitoring
- Field selectable current or voltage analog outputs
- Integral SPDT relay contact for low or high alarm
- Jumper selectable alarm set points of 25, 60, or 150 PPM
- UL recognized carbon monoxide sensing element
- Field calibration kits
Specifications
- Temperature Effect
- ±2% over range.
- Coverage Area
- 7;500 ft² (700 m²) or 50 ft (15 m) radius.
- Accuracy
- ±5 PPM or 5% of reading for 0-300 PPM (whichever is greater).
- Resolution
- 1 PPM.
- Temperature Range
- -4 to 122°F (-20 to 50°C).
- Storage Temperature
- For best sensor life; 32°F to 68°F (0 to 20°C).
- Humidity Range
- 15-90% RH constant; 0-99% RH intermittent.
- Response Time
- <45 seconds to 90% of final value
- Calibration
- 15 turn span and zero adjustment potentiometers.
- Housing
- UV resistant glass filledpolycarbonate.
- Analog Output
- Jumper selectable 4 to 20 mA (loop powered) or 2 to 10 V (maximum load 2 kΩ).
- Enclosure Rating
- IP64.
- Weight
- 1 lb (0.45 kg).
- Switch Type
- Single-pole double-throw (SPDT).
- Electrical Rating
- 30 VAC/VDC. N/O = 5 A; N/C = 3 A
- Set Point
- Jumper selectable 25; 60; or 150 PPM.
- Set Point Differential/Hysteresis
- 3% of scale.
- Relay Action
- Factory set for direct acting.
- Agency Approvals
- Sensor is UL recognized component for ANSI/UL-2034; UL-2075; E340403; CE.
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