Fluke 5609-300-G Secondary PRT with Gold Pins, 300 x 6mm, Calibration Options
Model: 5609-300-G

Quickly get accurate measurements using this very stable secondary PRT, which features gold pin connections and has a 300mm long sheath with a 6mm diameter.

Fluke 5609-300-I Secondary PRT with INFO-CON for 1521/1522 Models, 300 x 6mm, Calibration Options
Model: 5609-300-I

Quickly get accurate measurements using this very stable secondary PRT, which features INFO-CON connections and works with 1521 and 1522 models. It comes with a 300mm long sheath with a 6mm diameter.

Discontinued!

Fluke 5609-300-J Secondary PRT with Banana Plugs, 300 x 6mm, Calibration Options
Model: 5609-300-J

Quickly get accurate measurements using this very stable secondary PRT, which features banana plug connections and has a 300mm long sheath with a 6mm diameter.

Fluke 5609-300-L Secondary PRT with Mini Spade Lugs, 300 x 6mm, Calibration Options
Model: 5609-300-L

Quickly get accurate measurements using this very stable secondary PRT, which features mini spade lug connections and has a 300mm long sheath with a 6mm diameter.

Fluke 5609-300-M Secondary PRT with Mini Banana Plugs, 300 x 6mm, Calibration Options
Model: 5609-300-M

Quickly get accurate measurements using this very stable secondary PRT, which features mini banana plug connections and has a 300mm long sheath with a 6mm diameter.

Fluke 5609-300-P Secondary PRT with INFO-CON for 1523/1524 Models, 300 x 6mm, Calibration Options
Model: 5609-300-P

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features INFO-CON connections and works with 1523 and 1524 models. It comes with a 300mm long sheath with a 6mm diameter.

Fluke 5609-300-S Secondary PRT with Spade Lugs, 300 x 6mm, Calibration Options
Model: 5609-300-S

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features spade lug connections and has a 300mm long sheath with a 6mm diameter.

Fluke 5609-400-A Secondary PRT with INFO-CON for 914X Models, 400 x 6mm, Calibration Options
Model: 5609-400-A

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features INFO-CON connections and works with 914X models. It comes with a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-B Secondary PRT with Bare Wire, 400 x 6mm, Calibration Options
Model: 5609-400-B

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features bare wire connections and has a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-D Secondary PRT with 5-Pin DIN for Tweener Thermometers, 400 x 6mm, Calibration Options
Model: 5609-400-D

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features a 5-pin DIN connection and works with tweener thermometers. It has a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-G Secondary PRT with Gold Pins, 400 x 6mm, Calibration Options
Model: 5609-400-G

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features gold pin connections and has a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-I Secondary PRT with INFO-CON for 1521/1522 Models, 400 x 6mm, Calibration Options
Model: 5609-400-I

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features INFO-CON connections and works with 1521 and 1522 models. It comes with a 400mm long sheath with a 6mm diameter.

Discontinued!

Fluke 5609-400-J Secondary PRT with Banana Plugs, 400 x 6mm, Calibration Options
Model: 5609-400-J

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features banana plug connections and has a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-L Secondary PRT with Mini Spade Lugs, 400 x 6mm, Calibration Options
Model: 5609-400-L

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features mini spade lug connections and has a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-M Secondary PRT with Mini Banana Plugs, 400 x 6mm, Calibration Options
Model: 5609-400-M

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features mini banana plug connections and has a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-P Secondary PRT with INFO-CON for 1523/1524 Models, 400 x 6mm, Calibration Options
Model: 5609-400-P

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features INFO-CON connections and works with 1523 and 1524 models. It comes with a 400mm long sheath with a 6mm diameter.

Fluke 5609-400-S Secondary PRT with Spade Lugs, 400 x 6mm, Calibration Options
Model: 5609-400-S

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features spade lug connections and has a 400mm long sheath with a 6mm diameter.

Fluke 5609-500-A Secondary PRT with INFO-CON for 914X Models, 500 x 6mm, Calibration Options
Model: 5609-500-A

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features INFO-CON connections and works with 914X models. It comes with a 500mm long sheath with a 6mm diameter.

Fluke 5609-500-B Secondary PRT with Bare Wire, 500 x 6mm, Calibration Options
Model: 5609-500-B

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features bare wire connections and has a 500mm long sheath with a 6mm diameter.

Fluke 5609-500-D Secondary PRT with 5-Pin DIN for Tweener Thermometers, 500 x 6mm, Calibration Options
Model: 5609-500-D

Achieve high-precision measurements over a wide temperature range with this stable secondary PRT, which features a 5-pin DIN connection and works with tweener thermometers. It has a 500mm long sheath with a 6mm diameter.