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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)

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Other AOIP products

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