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Digital recorder LGJ3D-001
universaldata logger1-channel

Digital recorder - LGJ3D-001 - AOIP - universal / data logger / 1-channel
Digital recorder - LGJ3D-001 - AOIP - universal / data logger / 1-channel
Digital recorder - LGJ3D-001 - AOIP - universal / data logger / 1-channel - image - 2
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Characteristics

Type
digital
Measured physical value
universal
Applications
data logger
Number of channels
1-channel
Other characteristics
rugged, battery-powered, with integrated data logger, wireless, dust-proof, IP65

Description

Description
The LGJ3D is a data logger for strain gauges. It operates in two modes:
  • Monitoring (real-time monitoring applications): Loggers send measurements to a PC in real time. If a measurement is not received by the PC, the logger stores it in its onboard memory and retransmits it at the next communication window.
  • Record / restitution (post-event monitoring): The logger records measurements in its onboard memory. The user can later download all stored measurements to a PC at any time.


Main features
  • Connection for 1 full bridge strain gauge
  • Measurement range (voltage): ±50 mV for 2.7 V excitation
  • Acquisition frequency: up to 7 Hz
  • Certification: CE


Equipment
  • IP65 enclosure (aluminium)
  • Flexible half-wave antenna supplied
  • Power supply: AA battery (Lithium-Thionyl)


Technical specifications
  • Operating temperature: -40°C to 85°C
  • IP rating for logger and connectors: IP65 (sealing valid only if sensor and antenna are properly tightened, seals compressed)
  • Battery: AA Lithium-Thionyl
  • Battery life at 25°C: Up to 3 years (evaluated with a measurement every 10 minutes; average value subject to variation depending on use; value excludes alert-mode consumption)
  • RF connector: SMA
  • Antenna: Flexible half-wave antenna supplied
  • RF range in open field: 100 m to 1 km (depending on receiver antenna)
  • Memory size: 32,256 measurements
  • Time resolution: 1 s
  • Time drift: +/- 2 min/month at 25°C
  • Integrated ILS (magnetic actuation): wake from hibernate; forced single measurement outside configured sampling interval (rounds function); other miscellaneous functions
  • Housing: robust aluminium (4 mm)
  • Mounting: mounting plate supplied, screwed under the housing for 4-point fixing or strap-pass-through slots
  • Color: brushed natural aluminium grey
  • Dimensions (excluding antenna): Length: 98 mm
    Depth: 64 mm
    Height: 34 mm
  • Weight: ~280 g
  • Stickers: 2 stickers affixed to the housing (1 underside indicating product range; 1 on the edge indicating exact reference and serial number)
  • Sensor sensitivity (S): 4 mV/V (depending on sensor)
  • Wheatstone bridge supply voltage (Vp): 2.7 V (from LGJ3D supply)
  • Total sensor voltage range (Vr = S * Vp): 10.8 mV
  • LGJ3D possible electronic range (Er): 51 mV (input range of LGJ3D ADC)
  • LGJ3D electronic resolution (R = Er / (15^2)): 0.00156 mV (LGJ3D ADC 15 bits)
  • Pressure measurement range (depending on sensor): 100 bars (indicative value depending on sensor)
  • Transfer function (T = pr / vr): 9.259 bar/mV
  • Measurement resolution (= T * R): 0.0144 bars
  • Accessory references indicated: PFPN-SES58-001 (IP65 cable, 5 m cable supplied with quick connector); PFPN-CON08-001 (IP65 connector to directly connect the customer sensor)

Catalogs

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Other AOIP products

Data acquisition - Data acquisition systems and recorders

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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