Dynacalibrators® Deliver precise concentrations from ppb to high ppm Use Dynacal® permeation devices as the trace gas source Proprietary constant temperature system controls chamber temperature at a set point with 0.1°C accuracy Front panel access to permeation chamber Choice of plumbing and flow configurations   VICI Metronics Dynacalibrators® allow you to verify the accuracy of analytical data from air pollution monitoring, industrial hygiene surveys, odor surveys, and other instruments measuring gas concentration. All models enable calibrations traceable to NIST standards for almost any gas analyzer, in the lab or in the field.   The design takes full advantage of all the conveniences inherent in our Dynacal® permeation devices to generate and deliver precise concentrations ranging from ppb to high ppm for hundreds of different compounds. Standard features on all our models, from the most basic Model 190 to the most fully-equipped Model 500, facilitate accurate, reproducible, trouble-free calibrations time after time.   • Model 190   Basic model • Model 230   Flexible flow metering system • Model 340   Front panel mode control switch • Model 450   Through-port feature • Model 500   Two independent permeation chambers • Models 115 and 120   Portable calibrators Model 190 The Model 190 is our basic model, offering all the standard features and configurations - solid state proportional temperature controller, digital readout for set point and chamber temperature, stainless steel inlet and outlet, pyrex chamber, and cooling fan. Options include a high pressure chamber for operation at 50 psi, an overflow outlet with activated charcoal scrubber, and variable or fixed flow control. Product brochure (PDF format)   Model 230 With a flexible flow metering system to maintain a constant carrier flow through the permeation chamber, the Model 230 allows the dilution flow to be varied over a wide range, generating the spectrum of concentrations required for checking analyzer linearity. Like all Dynacalibrators, its large permeation chamber is big enough to accomodate several permeation devices, for higher output concentrations or multi-component mixtures. Product brochure (PDF format)   Model 340 The Model 340 adds a front panel mode control switch to select among zero, span, or remote calibration modes. In the zero mode, scrubbed air is delivered to the stream outlet. In the remote mode, the Model 340 can be externally programmed to deliver a zero and a span reference on command. Product brochure (PDF format)   Model 450 Ordinarily, plumbing connections between the sample manifold, the analyzer, and the calibrator must be changed for each calibration. The Model 450’s unique "through-port" feature eliminates this chore. The mode control switch selects among standby, zero, span 1 (low concentration), span 2 (high concentration), and remote modes. In the remote mode, the Model 450 can be externally programmed to operate in all of its functional modes. Product brochure (PDF format)   Model 500 This innovative design features two separate permeation chambers with independent temperature control systems. The chambers can be used independently, or together to combine concentrations of trace components. Separate solenoid valves allow the carrier flows to be switched from the dilution flow to a vent port.   Portable dynacalibrator® • Completely portable • Pump powered by rechargeable battery • Available temperature control from 20°C to 100°C • Utilizes permeation devices - no bulky cylinders   Standard features on Models 115 and 120 include a glass permeation chamber with screw cap access, digital readout for chamber temperature, a flowmeter and flow control valve, span and overflow outlets, a 12 VDC internal pump, an activated charcoal scrubber, and a molded fiberglass case. The Model 120 includes a solid state proportional temperature controller, with digital readout for the set point and chamber temperature and a heater switch with LED indicator. Spec sheet (PDF format)   Further reference About gas calibration standards Dynacal® permeation devices
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