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VH400 - Low-Cost Soil Moisture Sensors Quick view

Reference: VH400-2M

Brand: VEGETRONIX

VH400 - Low-Cost Soil Moisture Sensors

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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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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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U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem
  • U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem
  • U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem
  • U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem
  • U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem
  • U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem
  • U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem

U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem

U6841G I

U6841G IoT Wireless Datalogger for 3 current inputs 0-20mA and 1 two-state input, with built-in 4G modem

GSM datalogger is designed to record 3 current inputs and 1 binary input. 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 recorder includes Traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.

Quantity

Description

Technical data

Measured value

Current

Two-state signal


CURRENT INPUT

Measuring range 0 to 20 mA DC
Resolution better than 1 µA
Accuracy ±20 µA
Input resistance approx. 100 Ω
Minimum current 0 mA (open circuit)
Maximum current limited to approx. 40 mA


BINARY INPUT

Parameters of the voltage contact „L“ level input voltage:< 0,8 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:> 2 MOhm;
Contact voltage in the „switched-off“ state:ca 3 V;
Minimum state duration necessary for latching the state:1s


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 3x current input, 1x binary input
  • 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
  • Optional accessories and download
Product Details
U6841G I
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