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M&J UA-002-64 HOBO Pendant Temperature/Light 64K Data Logger Quick view

Reference: UA-002-64

Brand: ONSET

UA-002-64 HOBO Pendant Temperature/Light 64K Data Logger

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A miniature, value-priced, waterproof data logger for temperature and light monitoring applications; stores 52K measurements.  IMPORTANT INFORMATION Requires HOBOware software and either an Optic USB Base Station or a HOBO Waterproof Shuttle (U-DTW-1). HOBOware Pro is required when using the HOBO Waterproof Shuttle. See compatible items below.
Price €100.00
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VH400 - Low-Cost Soil Moisture Sensors Quick view

Reference: VH400-2M

Brand: VEGETRONIX

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VH400 Soil Moisture Sensor Probe Specifications Power consumption: < 13mA Supply Voltage: 3.5V to 20 VDC. Dimensions See drawing. Power on to Output stable: 400 ms Output Impedance: 10K ohms Operational Temperature: -40ºC to 85ºC Accuracy at 25°C: 2% Output: 0 to 3V related to moisture content Shell Color: Red Voltage Output Curves: Curves, Piecewise...
From Price €78.00
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U7844G IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in 4G modem
  • U7844G IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in 4G modem
  • U7844G IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in 4G modem
  • U7844G IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in 4G modem
  • U7844G IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in 4G modem

U7844G IoT Wireless Four channel Datalogger with pulse and two-state inputs, with built-in 4G modem

U7844G

GSM datalogger is designed to record from four binary inputs or from two pulse and two binary inputs. In case of exceeded set limits, SMS and JSON messages can be sent via 4G data connection. Measured values can be sent to the internet storage COMET Cloud, which is a complete monitoring, alarm and analysis system.

It is also possible to set the regular sending of JSON messages to COMET Database, the sending interval is adjustable. Alarms are also indicated locally by LED, LCD and acoustically by built-in beeper.
The recording is performed in a non-volatile electronic memory. The data can be transferred to a PC via included USB-C cable.

GSM datalogger inputs can be set up for four binary inputs or two binary inputs and two pulse counters.

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Description

Technical data

Measured value

Two-state signal

Pulses


BINARY INPUT

Parameters of the voltage contact „L“ level input voltage:< 0,4 V(*);
„H“ level input voltage:> 2 V;
Minimum voltage applicable:0 V;
Maximum voltage applicable:+30 V DC
Parameters of the voltage-free contact Contact resistance in „switched-on“ state:< 10 kOhm;
Contact resistance in the „switched-off“ state:> 300 kOhm;
Contact voltage in the „switched-off“ state:ca 3 V;
Minimum state duration necessary for latching the state:1s


COUNTER INPUT


Counter parameters Range 24 bits (16 777 215), possibility of letting the counter overflow
Maximum pulse frequency configured for voltage input - max. 5kHz
configured for a voltage-free or open-collector transistor - max. 200Hz


GSM MODEM PARAMETERS

LTE Cat 1 LTE FDD/GSM/GPRS/EDGE
Supported network types GSM/GPRS/EDGE 900/1800 MHz
LTE FDD B1/B3/B5/B7/B8/B20


GENERAL TECHNICAL DATA

  • Operating temperature: -20 to +60 °C
  • Channels: 4x binary input nebo 2x binary input a 2x counter
  • Memory: 500,000 values in noncyclic logging mode; 350,000 values in cyclic record mode
  • Recording interval to the internal memory adjustable from: 1 second to 24 hours
  • Recording interval to the COMET Cloud from: 5 minutes
  • Interval for measuring and evaluating alarms adjustable: 1 s, 10 s, 1 min
  • Recording mode noncyclic: - data logging stops after filling the memory cyclic - after filling memory oldest data is overwritten by new
  • Real time clock: year, leap year, month, day, hour, minute, second
  • Power rechargeable: Li-Ion battery A8200, 3.6V/5200mAh
  • Protection class: IP20
  • Dimensions: 61 x 93 x 53 mm, with antenna 120 x 93 x 53 mm
  • Weight (including batteries): approx. 270 g
  • Warranty: 3 years
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U7844G
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