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red_button.gif (982 bytes) Product Equivalence Table

For customers who are familiar with our previous transmitter models, the following table lists the equivalent or closest current model.

 Previous Model

 Configuration

 Current Model

 F / FT / F65 / FT65 Series  all configurations  M1 series
 FH Series  all configurations  M2 series
 HT205W, HT220W, HT225W, I-2100W  wall mount  M100 Series
 HygroFlex 1 + IW probe
 HT205D, HT220D, HT225D, I-2100D  duct mount  M100 Series
 HygroFlex 1 + IC-3 probe + QMA-15 adapter
 HT205R, HT220R, HT225R, HT250R,
 I-2100C
 remote probe
 HT255D, HT260D, I-2200D, I-2300D  duct mount  HygroFlex 1 + IM3 probe + QMA-15 adapter
 HT255R, HT260R, HT420R, I-2200C,
 I-2200S, I-2300C
 remote probe
 I-2100P  compressed air  HygroFlex 1 + IE-3 probe
 I-155C, I-155CI  tight spaces  HygroFlex 1 + IC-05 probe
 HC321A-W, HC322-W  wall mount  HygroFlex 3 + IW probe
 HC321A-R, HC322-R  duct mount  HygroFlex 3 + IC-3 probe + QMA-15 adapter