Pressure data logger: Series DL7 DWYER

Monitor and Record low differential pressures and temperature with the model DL7 Differential Pressure Data Logger

Application

  • Record temp and room pressures
  • Ideal for monitoring air duct velocity,
  • Hospital Isolation Wards
  • Pharmaceutical, Manufacturing
  • Clean Rooms, Research Labs
DL7.i dl7_iom (+84) 903 999 357

Measures and Logs Temperature, Self-Powered, 2-Channel, Compact

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Specification

No. of Channels:Two; internal thermistor, and a differential pressure sensor.
Internal Thermistor Range:-40 to 158°F (-40 to 70°C).
Compensated Temperature Range:32 to 158°F (0 to 70°C).
Memory Size:21,500 readings.
Accuracy:±0.05 w.c. (up to 2" range); ±0.1 w.c. (5" and 10" range).
Thermal Accuracy:±0.5% FS.
Clock Accuracy±2 sec/day plus one sampling interval.
Resolution:±0.01" w.c.
Internal Thermistor Resolution:0.7°F (0.4°C), R25 value equal to 10,000Ω [10kΩ @ 25°C (77°F)].
Resolution:12 bits( 1 in 4096).
Nonlinearity:±0.05% FS (BFSL).
Hysteresis and Repeatability:±0.05% FS.
Drift:±0.5% FS/yr.
Sampling Methods:Continuous (first-in, first-out: not available from 40 ms to 8 sec.), Stop when full (fill-then-stop), or delayed start.
Sampling Rates:Selectable from 0.04 seconds to 8 hours.
Ambient Operating Temperature/RH:-40 to 158°F (-40 to 70°C), 0 to 95% RH, non-condensing.
Connection:Two 1/8" I.D. permanent protective tubing.
Computer Requirements:IBM compatible 386 or above and Windows® 3.1 or later with 2MB RAM and 2MB hard drive disk space, one serial port.
Service:Dry air and noncorrosive gases.
Max. Pressure Rating:4X rated pressure.
Power Requirement:3.6 V TL5134 lithium metal battery, internal, factory replaceable.
Power Consumption:5-10 µA.
Housing Material:PPE & PS (polyphenylene ether & polystyrene).
Weight:4 oz (110 g).
Agency Approvals:CE.
     

Feature

Monitor and Record low differential pressures and temperature
Sampling rates are user selectable from 0.04 seconds to 8 hours
Loggers can store up to 21,500 readings and operate
     

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