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Delta Strumenti S.r.l. a socio unico
21036 Gemonio (Italy)
Via Mattei 6
+0039 0332 604667
info@deltastrumenti.it

3900 Humidity Generator

  • Frost Point Uncertainty: * (–70 to 10 °C) 0.1 °C (<–70 °C) 0.2 °C
  • Frost Point / Dew Point Range: –95 to +10 °C
  • Frost Point Resolution: 0.01 °C
  • Parts Per Million Range: 0.05 to 12000 PPMv
  • Relative Humidity Range: 0.0002 to 50%
  • Saturation Pressure Range: Ambient to 300 psiA
  • Saturation Pressure Uncertainty (10-50 psiA): * 0.05
  • Saturation Pressure Uncertainty (50-300 psiA): * 0.30
  • Saturation Pressure Resolution (10-100 psiA): 0.01
  • Saturation Pressure Resolution (100-300 psiA): 0.1
  • Saturation Temperature Range: –80 to +15 °C
  • Saturation Temperature Uncertainty: * 0.08 °C
  • Saturation Temperature Resolution: 0.01 °C
  • Saturation Temperature Heating/Cooling Rate: 2 Minutes Per °C Average
  • Gas Flow Rate Range: 0.1 to 5 slpm
  • Gas Flow Rate Resolution: 0.02 slpm

 *Represents an expanded uncertainty using a coverage factor, k=2, at an approximate level of confidence of 95%.


Features

  • Traceable to NIST
  • Based on NIST Proven Two-Pressure Principle
  • Push Button (Keypad) Control
  • Automated Control of User Setpoints
  • 3900 ControLog® Automation Software
  • HumiCalc® with Uncertainty Software
  • Automatically Applies Enhancement Factors
  • Computerized Internal Transducer Calibration
  • RS-232C Serial Interface
  • Only Nine Square Feet of Floor Space
  • Timed/Formatted Output to Printer
  • Battery Backed-up Real Time Clock
  • Backlit Liquid Crystal Display

Overview

The Model 3900 Low Humidity Generator is an extremely accurate means of producing known humidity values for calibrating and verifying humidity instrumentation. Based on the combined, NIST proven, fundamental “two-pressure” and “two-temperature” principles, this system will automatically supply a continuous humidified gas stream, within the frost/dew point range of –95.0 °C to 10.0 °C, for days or even weeks unattended. Simply apply power to the system, and the 3900 will power-up ready to purge and/or generate. Humidity setpoint values are input by the operator from the front panel keypad and are limited only by the operational range of the 3900 humidity Generator.

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