RKI Instruments, M-Series, Low Cost

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Price:	$195.00
Model:	M-Series, Low Cost
Manufacturer:	RKI Instruments
Specifications	Click Here for Specs
Average Rating:	Not Rated

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From RKI Instruments,

The "M Series" low cost CO/H2S transmitter, a highly reliable and cost effective basic 4-20 mA transmitter for the detection of carbon monoxide, or hydrogen sulfide. The electronics are protected inside a plastic enclosure to avoid damage from mechanical abuse, water, dust or corrosion. Sensors for H2S and CO are long life and typically last 2 - 3 years.

Operating from 24 VDC (11VDC to 30 VDC), the M Series provides a 4-20 mA signal which can be connected to a wide variety of controllers. The low cost CO/H2S can be used either indoors or in semi-enclosed areas.

The only tools required to calibrate the low cost CO/H2S transmitter are a voltmeter, screwdriver, and calibration gas. Zero and calibration functions are performed by adjusting potentiometers on the amplifier board. The amplifier board has test jacks for the connection of a voltmeter for calibration purposes. Sensor response is viewed on the voltmeter as a 100mV to 500mV signal. Field calibration can be performed easily and quickly by one person.

Features Include:

Water/dust resistant housing
Available for H2S and CO
Long life sensors (2 + years typical)
Competitively priced
Compact design

Applications Include:

Water & wastewater treatment plants
Pulp & paper mills
Gas, telephone & electric utilities
Parking garages
Manufacturing facilities
Loading docks

Specifications

Part #	H₂S 65-2424RK	CO 65-2434RK
Min Operating Voltage	11 VDC
Max Operating Voltage	30 VDC
Max Current Draw	25 mA (2 wire system)
Signal Output	4 mA at 0 ppm H₂S 20 mA at 100 ppm H₂S	4 mA at 0 ppm CO 20 mA at 300 ppm CO
Response Time	20 seconds to 90% of concentration	45 seconds to 90% of concentration
Operating Environment
Location	Indoors or semi-enclosed areas
Temperature	0 to 120° F
Humidity	0 - 99% RH, non condensing
Housing	Plastic, water / dust resistant enclosure 2.5" W x 4.0" H x 1.5" D
Sensor
Type	Electrochemical
Life Expectancy	2 years normal service when intermittently exposed to H₂S	2 to 3 years normal service
Controls
Zero	Sets transmitter output to 4 mA with zero output from H₂S sensor	Sets transmitter output to 4 mA with zero output from CO sensor
Span	Sets transmitter output to 20 mA with 100 ppm output from H₂S sensor	Sets transmitter output to 20 mA with 300 ppm output from CO
Tools Needed	Screwdriver and voltmeter used to make adjustments

* Factory Specifications are subject to change without notice.

Made in the USA

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Tags: Gas Monitor, Low Cost, M-Series, RKI Instruments,

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