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DaqLink Temperature and Humidity Logger

DBSA720A

 

 

The DaqLink Temp/RH logger is a stand-alone device with USB interface, offering rich functionality in a compact size. With built-in temperature and humidity sensors plus four external inputs each capable of measuring voltage, current, temperature, pulse and frequency, the DaqLink Temp/RH provides a cost-effective and accurate data logging solution. For continuous indoor or outdoor monitoring, the DaqLink is the tool of choice.

 

Key product benefits:

  • Up to 6 measuring inputs with 16-bit resolution
  • Real-time data streaming via USB to PC or cyclic storage to onboard memory
  • Onsite data monitoring with two-row LCD
  • Keypad with Run/Pause logging option
  • Four level alarm configuration with email/SMS notification and onboard alarm buzzer
  • Long-lasting rechargeable battery for standalone monitoring
  • Supported by DataSuite software for data analysis and device setup

INPUT TYPES

4-20 mA

 

• Range: 4 to 20 mA

• Resolution: 47.6 μA

• Accuracy: ±0.5 %

• Loop impedance: 21 Ω

0 to 50 mV

 

• Range: 0 to 50 mV

• Resolution: 37 μV

• Accuracy: ±0.5 %

• Input impedance: 25 MΩ

• Max voltage: 3.2 V

0 to 1 V

 

• Range: 0 to 1 V

• Resolution: 200 μV

• Accuracy: ±0.5 %

• Input impedance: 25 MΩ

• Max voltage: 3.2 V

Temperature PT-100 (2-wires)

 

• Range: -200 to 400 ˚C

• Resolution: 0.1 ˚C

• Accuracy:
-200 to -60 ˚C: ±0.5 %

-60 to 60 ˚C: ±0.3 ˚C

60 to 400 ˚C: ±0.5 %

Temperature Thermocouple J

 

• Range: -200 to 1,000 ˚C

• Resolution: 0.1 ˚C

• Accuracy:
-200 to -60 ˚C: ±0.5 %

-60 to 60 ˚C: ±0.5 ˚C

60 to 1,000 ˚C: ±0.5 %

• Cold junction compensation error: ±0.3 ºC

Temperature Thermocouple K

 

• Range: -200 to 1,000 ºC

• Resolution: 0.1 ˚C

• Accuracy:
-200 to -60 ˚C: ±0.5 %

-60 to 60 ˚C: ±0.5 ˚C

60 to 1,000 ˚C: ±0.5 %

• Cold junction compensation error: ±0.3 ˚C

Temperature Thermocouple T

 

• Range: -200 to 400 ˚C

• Resolution: 0.1 ˚C

• Accuracy:
-200 to -60 ˚C: ±0.5 %

-60 to 60 ˚C: ±0.5 ˚C

60 to 400 ˚C: ±0.5 %

• Cold junction compensation error: ±0.3 ˚C

Frequency (input 4 only)

 

• Range: 20 Hz to 4 KHz

• Input signal: 0 to 5 V

• Input impedance: 470 Ω

Pulse Counter (input 4 only)

 

• Range: 1 to 65,536 counts

• Resolution: 1 count

• Frequency range: 0 to 4,000 Hz

• Input signal: 0 to 3.2 V

• Input impedance: 470 Ω

Contact

• Range: Open/Closed

Internal Temperature

 

• Range: -20 to 50 ˚C

• Accuracy: ±0.5 ˚C

• Resolution: 0.1 ˚C

Internal Humidity

 

• Range: 5 to 95 % RH

• Accuracy: ±3 % at 10 to 90 % RH

±5 % at 5 to 10 % RH and 90 to 95 % RH

• Resolution: 0.5 % RH

 

OUTPUTS

External Power Excitation (transducers usage)

• 12 VDC @ 300 mA

• Reset fuse overload protection

Dry Contact Alarm Output

 

• Open collector

• Close position resistance: 50 Ω

• Max. Load: 50 mA, 3 V DC

 

LOGGER SAMPLING FEATURES

 

• Memory capacity: ~59,000 samples (depending on logger configuration)

• Sampling rate: One every second to one every 18 hours

• Channel separation: 80 dB

 

HARDWARE SPECIFICATIONS

Display

• 2-row LCD

• 16 character display

Memory Modes

 

• Cyclic/Non-cyclic

• Push to Run

• Pause logging

Power Supply

 

• Internal rechargeable 4.8 V, 800 mAh NiMH battery

• External 12 V DC input @ 300 mA 3.6 VA

•  Battery Life: Up to 10 months, depending on logger configuration

Operating Temperature Range

 

-20 to 50 ˚C

PC Communication

 

• USB 2.0 compliance

• Mini USB type B cable

Casing

 

• Plastic PC-ABS

• Dimensions: 104 x 93 x 27 mm

• Weight: 153 g

• Supports table and wall mounting

Man Machine Interface

• Two-button keypad operation

Standards Compliance

• CE, FCC, IC Canada

• Water and dust proof: IP54

 





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