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Table of Contents
Datasheet
Pressure transducer P1AP
Overview
Digital pressure transducer PATROL (P1AP) is a telementry-enabled, battery powered pressure sensor, which is primarily used to measure pressure in distribution pipes of gasses or liquids and sending this measured data over the air into centralized measurement systems such as SCADA.
Wireless communication of te transducer is provided utilizing one of the LoRaWAN, Sigfox, Bluetooth or ZigBee (XBee / 805.15.4) technology using various RF frequency spectrums.
Detailed description
Application
Vo všeobecnosti je tlakový prevodník typu P1AP určený na meranie absolútneho tlaku, podtlaku, pretlaku alebo výšky hladiny meraného média, ktoré nereaguje s nehrdzavejúcou oceľou DIN 1.4301, resp. AISI 304, resp. X5CrNi18 10 z ktorej je vyrobené púzdro prevodníka. Meraný tlak je v prevodníku prevedený na digitálnu formu, matematicky upravený a sériovou linkou odoslaný do prenosového systému SENTRY. Konštrukcia prevodníku a možnosť zvýšeného IP krytia, umožňuje jeho požitie aj pri sťažených poveternostných podmienkach.
V pamäti prevodníku sa uchovávajú aj všetky požiadavky na meracie miesto, názov meracieho miesta, frekvenciu merania a prenosu, prípadne iné identifikačné parametre, čo umožňuje so snímačom použitie ľubovoľnej prenosovej jednotky typu SENTRY.
Mechanical information
Prevodník je umiestnený v robustnom kovovom obale z nehrdzavejúcej ocele. Do meraného systému sa pripája pomocou procesného pripojenia. Ku komunikačnému systému SENTRY sa pripája pomocou klúčovaného konektoru s pripojovacou maticou z ktorého je aj napájaný. Plastové púzdro prevodníka je vyrobené z plastu typu ASA - upravený plast typu ABS z odolnostou voci UV ziareniu.
Technical parameters
| Type of measurement | absolute pressure, overpressure, underpressure |
| Maximum range of measurement | 0 - 60MPa |
| Temperature of measured medium | min. -40°C, max. +125°C |
| Measurement precision | 0,1% from measured range for pressures more or equal to 25kPa 0,25% from measured range for all pressures; this combined precision accounts for non-linearity of measurement, hysteresis and reprodukovateľnosť |
| Additional error due to ambient temperature | less than 0,03 %/10°C in the range of 0 to +60 °C less than 0,03 %/10°C in the range of -20 to +60°C |
| Long-term precision stability | additional error of less than 0,15% of range per year |
| Recommended calibration frequency | every two years |
| Power supply | user replaceable battery: 3.6V LiSOCl2 “D” size (recommended SAFT LS33600 or LSH20) |
| Wireless uplink technology | Bluetooth, LoRaWAN, Sigfox, XBee, ZigBee, 802.15.4, Bluetooth LE |
| Process attachment | M20x1,5; G½; G¼; other on request |
| Material of process attachment | DIN 1.4301 (AISI 304 / X5CrNi18 10) stainless steel |
| Material of the dial | Anodized aluminium |
| Isolation resistance at 500V | RIZ > 2 M Ohm |
| IP protection grade according to (IEC 60 529) EN 60 529 | IP 65 |
Weight and dimensions
Weight ex. battery:
Dimensions in [mm]
Software
The following documentation details the packet format used in LoRaWAN version of the device. Example parser is available on the following link: https://github.com/moirelabs/patron_tools
Markings
Information included on the label:
- Manufacturer
- Unit order code
- Measurement range and measurement precision
- Serial number
- IP rating
Ordering
Order shall contain the following information:
- Date and internal number of the order
- Name and address (including VAT number where appropriate)
- Order number assembled from order tables including number of units and requested delivery date
- Type of delivery
- Optional extras to include (for example high pressure shock damping filter)
Packaging
Sensors are approprietly packed individually into padded cartons.
The packaging includes all information required for proper use and servicing of the equipment.
Order information
Measurement range (R)
| R0 | 0-2.5 kPa |
| R1 | 0-4 kPa |
| R2 | 0-6 kPa |
| R3 | 0-10 kPa |
| R4 | 0-16 kPa |
| R5 | 0-25 kPa |
| R6 | 0-40 kPa |
| R7 | 0-60 kPa |
| R8 | 0-100 kPa |
| R9 | 0-160 kPa |
| R10 | 0-250 kPa |
| R11 | 0-400 kPa |
| R12 | 0-600 kPa |
| R13 | 0-1 MPa |
| R14 | 0-1.6 MPa |
| R15 | 0-2.5 MPa |
| R16 | 0-4 MPa |
| R17 | 0-6 MPa |
| R18 | 0-10 MPa |
| R19 | 0-16 MPa |
| R20 | 0-25 MPa |
| R21 | 0-40 MPa |
| R22 | 0-60 MPa |
| R23 | 80-520 kPa |
| RX | special - on request |
Uplink radio type (R)
| R0 | NB-IoT - band 20 |
| R1 | LoRaWAN - 868MHz |
| R2 | Bluetooth - 2.4GHz |
| R3 | XBee - 2.4GHz |
| R4 | 802.15.4 - 2.4GHz |
| R5 | Sigfox |
| RX | special - on request |
Measurement precision (P)
| P0 | 0.1% |
| P1 | 0.25% |
| P2 | 0.4% |
| P3 | 0.5% |
| PX | special - on request |
Type of measurement (M)
| M0 | absolute pressure against vacuum |
| M1 | underpressure |
| M2 | overpressure |
| MX | special - on request |
Max ambient temperature (W)
| W0 | min. -20°C max. +60°C |
| WX | special - on request |
Mounting thread (T)
| T0 | M20x1.5 |
| T1 | G1/2 |
| T2 | G1/4 |
| TX | special - on request |
Intake nozzle type (N)
| N0 | standard |
| NX | special - on request |
Installation
The manometer is screwed on to the measurement place with appropriate spanner (24mm). The inner thread on the measurement place and manometer must match! Tightness of the connection is ensured by appropriate gasket – not part of the delivery. The body of the manometer must not be used for tightening of the manometer to the measured place. Always use spanner and dedicated clamp nut.
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