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Summary of Contents for Sensitron P
- Page 1 USER MANUAL FOR SMART “P” GAS DETECTORS SENSITRON S.r.l. Viale della Repubblica, 48 20010 CORNAREDO MI - Italy Ph: + 39 02 93548155 Fax: + 39 02 93548089 E-MAIL: sales@sensitron.it MT3481E.doc rev.2 20/06/2018 Pagina 1 di 14...
- Page 2 FAIL TO PERFORM AS DESIGNED AND PERSONS WHO RELY ON THIS PRODUCT FOR THEIR SAFETY COULD SUFFER SEVERE PERSONAL INJURY OR DEATH. The warranties made by Sensitron s.r.l. with respect to this product are voided if the product is not installed, used and serviced in accordance with the instructions in this user guide.
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Page 3: Table Of Contents
Technical Manual SMART P INDEX DESCRIPTION ............................4 1.1) ......................5 ECHNICAL SPECIFICATIONS INSTALLATION ............................ 6 2.1) ..........................7 IRCUIT LAYOUT 2.2) ..........................8 LECTRIC WIRING 2.3) ON ........................9 ETECTOR POWER 2.4) ..........................9 ESTING AND 2.5) ST.S/CKD PK ................9 ANDHELD CALIBRATION KEYPAD MT3481E.doc rev.2... -
Page 4: Description
DESCRIPTION SMART P gas detectors come in the following versions based on the type of gas to be detected: CO, range 0-300 ppm, 3 pin industrial cell NO2, range 0-30 ppm, 3 pin industrial cell Detectors with dual sensor were manufactured to optimise installation costs, coupled with the CO-NO2 and CO-PETROL VAPOUR sensor in a single case. -
Page 5: Technical Specifications
SMART P-2 detector for Carbon Monoxide and Nitrogen Dioxide/Petrol Vapours € CODE DESCRIPTION CAT. S2400CO-ND CARBON MONOXIDE & NITROGEN DIOXIDE detector for car 400,00 parks, RS485 serial output. Range 0-300 ppm CO and 0-30 ppm NO2. S2400CO-VB CARBON MONOXIDE & PETROL VAPOURS detector for car 420,00 parks, RS485 serial output. -
Page 6: Installation
Please be also sure that detectors are placed in a convenient location for future maintenance and calibration requirements. We recommend you mount the Smart P detector at nose level (about 150 cm off the ground) since this is the position suited to detect CO and NO2. The Petrol Vapour detector should, on the other hand, be installed about 30 cm off the ground. -
Page 7: Circuit Layout
2.1) Circuit layout MT3481E.doc rev.2 20/06/2018 Pagina 7 di 14... -
Page 8: Electric Wiring
Once the installation has been completed, verify that each detector reaches at least 12 Vdc. Each Smart P detector connected on the unit line must have a univocal address. Use the specific STS/CKD PK keypad to set the detector address. See the specific paragraph below in the manual. -
Page 9: Detector Power On
2.5) Handheld calibration keypad ST.S/CKD PK Smart P gas detectors offer a field adjustment for the Zero, Span (response to gas) and the serial address (for the RS485 bus). By operating with the handheld calibration keypad, pressing ENTER, ESC, Arrow UP and Arrow DOWN, the Zero, Span and serial Address shall be accomplished. - Page 10 Adjustments are required whenever either Fault or unjustified Alarms due to environmental conditions occur (Zero adjustment) or detectors need modifying their response to gas (Span adjustment). Span adjustment requires a calibrated gas cylinder, either filled with the same gas the detector has been calibrated for or a reference gas advised by the manufacturer For the Zero adjustment, gas detectors are to be in fresh air (without any gas or interfering compounds) and powered on since 8 hours at least.
- Page 11 Fig. 2.5 b) Calibration keypad main menu ZERO When the detector SMART P is turned On for the first time, or when a new kit sensor is mounted into the instrument, the AUTO ZERO calibration is recommended. This action has to be done under the following two conditions: Gas detectors are to be in fresh air (without any gas or interfering compounds) and powered on since 8 hours at least.
- Page 12 Both gaskets and screw threads inside the cap allow an optimum tightness between the sensing head and the cap. The analysis chamber inside the calibration cap has been designed and realized to obtain a test method identical to that adopted in our laboratory for the initial factory calibration.
- Page 13 SPAN ZERO WAIT 0.0.12 SGL: Concentrazione gas per la taratura della sensibilità. Inserire il valore della concentrazione gas della bombola usata (es. 200 ppm CO) SGL Span Gas Level: Gas Level 200,0 for the detector sensivity adjustement. ZGL Concentrazione gas Enter the gas concentration of the per lo Zero: lasciare a “000,0”...
- Page 14 The information in this document are not binding for the manufacturer and the manufacturer reserves the right to make any changes deemed helpful in improving the product. For further informations, please contact: Tel: +39 02 935.48.155 Sensitron S.r.l. Fax: +39 02 935.48.089 e-mail: sales@sensitron.it MT3481E.doc rev.2 20/06/2018...
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