Detector Specs
Sensor Specs
How it works
Input Capability: One (1) or two (2) sensor
transmitters for chlorine:
One (1) or two (2) sensor transmitters for sulfur dioxide
Input Signal: 4-20 milliamp, DC - 2 wire current source
Sensor Loop Length: Standard - 25' (Optional - up to 1 000')
Scaling: 0-10 PPM for chlorine and 0-20 PPMfor sulfur dioxide
Output Capability: Audible alarm horn
Two (2) relays (SPDT andDPDT)
RS-232 (9600 baud rate)
Warning Relay: 5 amp, SPDT, normal or fail-safe latching or non-latching
Danger Relay: 10 amp, DPDT normal or fail-safe latching
Horn: Internal 95 db (external add-ons possible)
Power Supply: 120/240 VAC, 50/60 Hz (up to 25 watts)
Fuse Protection: 1 amp (250 Volt) for 120 VAC .5 amp (250 Volt) for
240 VAC
Battery Back-up (Optional): 12 Volt, 1.1 AH, lead-acid gel cell
Displays :
LED type
Level 3 digit 0.6' Red
Sensor I digit 0.6" Green
Bar graph 12 LED's Four colors
Power/Battery 1 LED Green
Line failure 1 LED Amber
Enclosure : Wall mounted polycarbonate, NEMA 4X7.8" x 7.8" x 5.2'
Operating Temperature: 5"F to 104OF for CL2 or S02
Cable Lengths: Battery Back-up - 6' maximum
RS-232 (digital) - 50' max.@ 9600 baud
Shipping Weights: 10 lbs without battery back-up
12 lbs with battery back-up
Optional: Serial to analog converter
One (1) or two (2) sensor transmitters for sulfur dioxide
Input Signal: 4-20 milliamp, DC - 2 wire current source
Sensor Loop Length: Standard - 25' (Optional - up to 1 000')
Scaling: 0-10 PPM for chlorine and 0-20 PPMfor sulfur dioxide
Output Capability: Audible alarm horn
Two (2) relays (SPDT andDPDT)
RS-232 (9600 baud rate)
Warning Relay: 5 amp, SPDT, normal or fail-safe latching or non-latching
Danger Relay: 10 amp, DPDT normal or fail-safe latching
Horn: Internal 95 db (external add-ons possible)
Power Supply: 120/240 VAC, 50/60 Hz (up to 25 watts)
Fuse Protection: 1 amp (250 Volt) for 120 VAC .5 amp (250 Volt) for
240 VAC
Battery Back-up (Optional): 12 Volt, 1.1 AH, lead-acid gel cell
Displays :
LED type
Level 3 digit 0.6' Red
Sensor I digit 0.6" Green
Bar graph 12 LED's Four colors
Power/Battery 1 LED Green
Line failure 1 LED Amber
Enclosure : Wall mounted polycarbonate, NEMA 4X7.8" x 7.8" x 5.2'
Operating Temperature: 5"F to 104OF for CL2 or S02
Cable Lengths: Battery Back-up - 6' maximum
RS-232 (digital) - 50' max.@ 9600 baud
Shipping Weights: 10 lbs without battery back-up
12 lbs with battery back-up
Optional: Serial to analog converter
Type: Electrochemical gas diffusion
Enclosure: Wall mounted, water tight, UL approved 4" x 4' x 2.5'
Power: Parasitic from 4-20 milliamp loop from detector
Life Span: Approximately two (2) years
Range: 0-10 PPM Chlorine and 0-20 PPM for Sulfur Dioxide
Operating Humidity Range: 0-99% non-condensing
Operating Pressure Range: Ambient l 0%
Storage Life in Sealed Container: Six (6) months
Connecting Cable: 25' of 22 gauge twisted shielded pair
Output Impedance: 4 MOhms
Enclosure: Wall mounted, water tight, UL approved 4" x 4' x 2.5'
Power: Parasitic from 4-20 milliamp loop from detector
Life Span: Approximately two (2) years
Range: 0-10 PPM Chlorine and 0-20 PPM for Sulfur Dioxide
Operating Humidity Range: 0-99% non-condensing
Operating Pressure Range: Ambient l 0%
Storage Life in Sealed Container: Six (6) months
Connecting Cable: 25' of 22 gauge twisted shielded pair
Output Impedance: 4 MOhms
A regulated voltage of 24 VDC is provided over a
two-wlre shielded cable
to the sensor unit from the detectors main power -supply. The sensor
transmitter board converts the sensor cell output, which is
representative of the chlorine gas concentration, to a 4-20 millisi-np
DC output signal for transmission to the receiver board. The receiver
board converts the analog current signal to a continuous pulse train for
processing by the micreconftller.
When the unit is subjected to the varying concentrations of gas (up to
10 PPM for chlorine and up to 20 PPAA for sulfur dioxide), the detector
displays the actual concentration on the 3 digit display. The respective
LED's on the bar graph also light. As the concentration of gas
increases, the appropriate bar gral3h LED's blink and the audible alarm
sounds when it passes the WARNING alarm point (1 PPM for chlorine and 2
PPM for sulfur dioxide) and the DANGER alarm point (3PPM for chlorine
and 5 PPM for sulfur dioxide@ thresholds. The LED representing the
highest detect- ed level stays lit even as The concentration decreases.
The alarms are acknowledged and reset using the keypad. The bar graph
LED's will continue to blink until the gas concentration subsides to
normal levels and the system Is reset.
to the sensor unit from the detectors main power -supply. The sensor
transmitter board converts the sensor cell output, which is
representative of the chlorine gas concentration, to a 4-20 millisi-np
DC output signal for transmission to the receiver board. The receiver
board converts the analog current signal to a continuous pulse train for
processing by the micreconftller.
When the unit is subjected to the varying concentrations of gas (up to
10 PPM for chlorine and up to 20 PPAA for sulfur dioxide), the detector
displays the actual concentration on the 3 digit display. The respective
LED's on the bar graph also light. As the concentration of gas
increases, the appropriate bar gral3h LED's blink and the audible alarm
sounds when it passes the WARNING alarm point (1 PPM for chlorine and 2
PPM for sulfur dioxide) and the DANGER alarm point (3PPM for chlorine
and 5 PPM for sulfur dioxide@ thresholds. The LED representing the
highest detect- ed level stays lit even as The concentration decreases.
The alarms are acknowledged and reset using the keypad. The bar graph
LED's will continue to blink until the gas concentration subsides to
normal levels and the system Is reset.
