Page 2 - BX308xp_ENG-Rev3
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Main specification

Set:         Date and time

Select:      The number of probes, and their disablement

Select:      The Operating range of the probes, from 0 to 20%, or 0-100 of L.E.L.

Select:      The type of gas that the probe must detect “Toxic or Explosive”

Set:         The Pre-Alarm level, for every probe from 3% to 16%

Select:      The quantity of zones, “1-2” divisible 8 probes per zone

Select:      The operation of the relay “ pulsed or continuous”

Select:      The function of Positive Safety Switch

Select:      The function of saving the alarm triggered

Select:      The exclusion or insertion of “external siren”

Select:      The exclusion or insertion of “internal buzzer” if an alarm is triggered

Read:     The history of alarms (data logger), failures or any

                    important detection , up to maximum 50 events.

Connection.  Of a portable printer via USB port

LCD display in normal operating condition

Display:     the Brand and the serial number

Display:     Date and Time

Display:     the probe being monitored

Display:     automatic Explosive Gas and Operating range L.E.L. or Toxic Gas ppm

Display:     the chart of the amount of gas detected

Display:     Warm up on Display appears the “count-down” time

Front Panel

Push-buttons for navigation and confirmation of data set

Test push-buttons for total control of BX308/xp that check the performance of both the control unit and the

probes connected to it.

Reset button used to reset alarm and failure memories

LED that displays the silenced external siren. This operation can be performed by entering the Password

All operation and alarm LEDs: read page 4 to find out their functions

LED that displays the charge status of Buffer battery

 Technical specification

Main Power Supply unboxed version .........................................................................12/15 V.dc ± 10%
Main Power Supply boxed version ..................................................... 110/240 V.ac 50/60 Hz ± 10%
Secondary power supply via battery Max 2,2 Ah (not supplied) ......................................... 12,7 V. dc ± 10%
Battery Charger Max 2,2 Ah ...................................................................................................... controlled
Max power demand in alarm with 8 probes connected .................................................. 15W Max @ 12 VDC
Max power demand in alarm with 8 probes connected ..................................................... 19W Max 240VAC
Relay Contact Range ..................................................................................................... 10A 250V resistive
ALARMS
1st Pre-Alarm ............................ adjustable for every probe from 3% (450ppm) to 16% (240ppm) of L.E.L.
2nd Final alarm for every active area .............................................. set to 20% of LEL or 300 ppm CO
Monitored Gas Indication ........................................................................... Through illuminated display
INDICATIONS
Indicate the percentage of gas detected......................................................................... seen on display
Indication of mains power supplied, alarms, battery state, probe and battery over load, faults
Manual alarm indication ........................................................................................................... built-in
Siren ON indication ................................................................................................................. built-in
Duration of pre-heating phase via count-down ..................................................................... 90 seconds
Manual test .......................................................................................................................... built-in
External siren and internal Buzzer silencing ......................................................... via software operation
ALARM AND PROBES ZONES
Number of Selectable zones ............................................................................................................ 2
Number of connectable probes ....................................................................................................... 16
Probes connection/disconnection ........................................................................ via software operation
Connectable probes ................... Semi-conductor, Catalytic, Electrochemical cell, Pellistore, Infrared Rays
Faults detected by failure circuit ...................................................... Interruption , short circuit or failure
Input signal ................................................................................................ 4 ÷ 20 mA over 150 Ohm
Operating Range ........................................................................................ 0-20% or 0-100% of L.E.L.
Equipment precision ................................................................................................................ 1% FS
Response time ............................................................................................................................ < 2"
CONNECTIONS
Printer ..................................................................................................... through dedicated USB port
Relay expansion card .............. each card has 4 relays; it can connect up to a max of 16 connections card
Card BMS16 ............................................................................................... Converter Current Voltage
GENERAL INFORMATION
Operating temperature ............................................................................................. -10°C ÷ + 60°C
Maximum distance between probes and control unit .....................................................................100 m
Cable diameter for connecting probes ....................................................................................... 1 mm2
Connection: The cable of connection of the probe must not be installed together with the power
cables. Otherwise, make sure to use a shielded cable
Omega bar dimensions DIN EN 50092 9 modules ........................................................ 158x90x58 mm
Degree of Protection ......................................................................................................... in air IP20
Dimensions installed on the “Boxed” ....................................................................... 330*340*160 mm
Degree of Protection on the “Boxed”........................................................................................... IP65
Electromagnetic Compatibility CE Reference Standard ..................................................... EN 50270

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