Teledyne API

- Model T700U - Trace-Level Dilution Calibrator

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The Model T700U is a microprocessor based calibrator for precision, trace-level gas analyzers.  Using highly accurate mass flow controllers combined with compressed sources of standard gases, calibration standards are provided for multipoint span and zero checks using up to 4 gas sources.

In addition to the features of the Model T700, the Model T700U is designed for the demanding requirements of trace-level measurements.  The ability to calibrate and verify linearity for NO2 at levels below 50 ppb is difficult with standard calibrators.  To overcome this limitation, the Model T700U ozone generator operates in two modes; a high range with similar performance to the Model T700 ozone generator, and a low range, or “fractional” mode, for producing accurate ozone levels down to 3 ppb.  To ensure the highest accuracy of NO2 output, the calibrator measures the ozone concentration prior to performing a GPT, and the range is selected automatically by the Model T700U based on ozone concentration and flow specified by the user.

All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, flexible I/O, and built-in data acquisition capability.  All instrument set up, control and access to stored data and diagnostic information is available through the front panel, or via RS232, Ethernet, or USB com ports either locally or by remote connection.

The Model T700U comes with NumaView™ Software. NumaView™ Remote PC Software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView™ Software. 

  • Stable and accurate ozone output to 3 ppb
  • Stable and accurate Gas Phase Titration (GPT) to 3 ppb NO2
  • Built-in photometer, ozone generator, and GPT chamber
  • Large, vivid, and durable color graphics display with touch screen interface
  • Ethernet, RS-232, and (optional) USB com ports
  • Front panel USB connections for peripheral devices and firmware upgrades
  • 12 independent timers for sequences
  • Nested sequences (up to 5 levels)
  • Software linearization of mass flow controllers (MFC)
  • 4 calibration ports (configurable for single or multi-blend gases)
  • 3rd MFC for wide dynamic range (optional)
  • Glass gas phase titration chamber (GPT)
  • Inlets for external ozone reference sources
  • Two-year warranty

  • Dilution System
    • Flow Measurement Accuracy : ± 1% of full scale
    • Repeatability of Flow Control : ± 0.2% of full scale
    • Linearity of Flow Measurements : ± 0.5% of full scale
    • Flow Range of Dilution Air : 0 - 10 SLPM
    • Optional Ranges : 0 - 5 SLPM, 0 - 20 SLPM (others available)
    • Flow Range of Cylinder Gases* : 0 - 200 cc/min
    • Optional Ranges : 0 - 50 cc/min, 0 - 100 cc/min (others available)
    • Zero Air Requirements : 10 SLPM @ 30 psi
    • Optional Ranges : 20 SLPM @ 30 psi
    • Input Pressure : 20 - 40 psig required
    • Calibration Gas Input Ports : 4 (configurable)
    • Diluent Gas Input Port : 1
  • NO2 Generation (GPT modes) :
    • Minimum Output : 20 ppb LPM
    • Minimum Concentration : 3 ppb
    • Precision : ± 2% (with GPTPS)
  • Ozone Generator Module :
    • Maximum Output : 6 ppm LPM
    • Minimum Output : 20 ppb LPM
    • Minimum Ozone Concentration : 3 ppb
    • Response Time : 180 seconds to 98%
    • Optical Feedback : Standard
  • UV Photometer Option :
    • Range : 100 ppb to 10 ppm (selectable)
    • Precision : 1.0 ppb
    • Linearity : 1.0% of reading
    • Rise/Fall Time : <20 seconds (photometer response)
    • Response Time : 180 seconds to 95% (system response)
    • Zero Drift : < 1.0 ppb/24 hours
  • Electrical :
    • Power Requirements : 85V - 264V, 47Hz - 63Hz
    • Analog Output Ranges : 10V, 5V, 1V, 0.1V (selectable)
    • Recorder Offset : ±10%
    • Communication Specifications :
    • Included I/O :
      • 1 x Ethernet: 10/100Base-T
      • 2 x RS232 (300-115,200 baud)
      • 2 x USB device ports
      • 12 x digital control outputs
      • 12 x digital control inputs
      • 8 x digital status outputs
    • Optional I/O :
      • 1 x USB com port
      • 1 x RS485
      • Multidrop RS232
  • Physical Specifications
    • Operating Temperature Range : 5 - 40ºC
    • Dimensions (HxWxD) : 7” x 17” x 24” (178 x 432 x 609 mm)
    • Weight : 31 lbs (14.06 kg); 39.2 lbs (17.78 kg) with photometer, GPT, and O3 generator

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