6
IM/AP300 Rev. J
| AP300 | Combination pH/Redox (ORP) sensors
Dimensions in mm (in.)
Fig. 1.5 AP304/5 Sensors and Overall Dimensions
27.9 (1.10)
22.9 (0.90)
26.7 (1.05)
21.0 (0.83)
26.7
(1.05)
25.4
(1.00)
69.9
(2.75)
28.6
(1.13)
97.8 (3.85)
25.4
(1.00)
95.0 (3.74)
120.0 (4.73)
71.1
(2.80)
189.0 (7.44)
Compression Fitting
Reducing Bushing
1
1
/
4
in. NPT Full Port Ball Valve
1
1
/
4
in. Close Nipple
AP305 Sensor
Optional Compression Fitting
(Wrench) 316 Stainless Steel
PVDF Back Piece
1 in. NPT
3
/
4
in.
NPT
Dia.
Compression Fitting
1
1
/
4
in. 316 Stainless Steel
Close Nipple
AP304 Flush Sensor
1
1
/
4
in. NPT Full Port Ball Valve
Optional Compression Fitting (Hand) 316 Stainless Steel
1
1
/
4
in. NPT
Dia.
3
/
4
in. Conduit Port
3
/
4
in. NPT
PVDF Back Piece
Anti-Blowout Lip
Sensor Body
No. 019 Viton O-Rings
316 Stainless Steel Sheath
Replacement AP305 Sensor Detail
Rear Extension
Electrode
Protection
Tips
Viton O-Rings
No. 019 Viton O-Rings
Stainless
Steel Sheath
Sensor Screws into
Rear Extension
Replaceable
AP305 Sensor
Dia.
Dia.
210.5 (8.29) or 312.1 (12.29)
406.4 (16) or 508.0 (20)
Sensor Shaft
Replacement Sensor
Sensor Shaft
and Junction Box
Sensor Shaft
and Hand Fitting
Ball Valve Insertion
and Hand Fitting –
Installation Detail
Sensor Shaft
Wrench Fitting –
Installation Detail
Ball Valve Insertion
Wrench Fitting –
Installation Detail
