Product Appearance, Specifications, and Model
Appearance
Exploded View
Models & Dimensions
Device size(mm)
I
J
K
63
63
2.5
Size, Flowrate, and Pipe Fitting Material Options
FP-P015
DN 15 / ½ NPS
4-120.6 LPM / 1.056-31.85 gpm
• UPVC • PPH • PVDF • Stainless Steel (316L)
FP-P020
DN 20 / ¾ NPS
7-188.5 LPM / 1.84-49.79 gpm
• UPVC • PPH • PVDF • Stainless Steel (316L)
FP-P025
DN 25 / 1 NPS
9-294.5 LPM / 2.37-77.79 gpm (Stainless steel: 7-294.5 LPM / 1.8-77.79 gpm)
• UPVC • PPH • PVDF • Stainless Steel (316L)
FP-P032
DN 32 / 1¼ NPS
19-452.9 LPM / 5.01-119.64 gpm
• UPVC • PPH • PVDF • Stainless Steel (316L)
FP-P040
DN 40 / 1½ NPS
28-754.0 LPM / 7.39-190.36 gpm
• UPVC • PPH • PVDF • Stainless Steel (316L)
FP-P050
DN 50 / 2 NPS
50-1225.7 LPM / 13.20-323.79 gpm
• UPVC • PPH • PVDF • Stainless Steel (316L)
FP-P065
DN 65 / 2½ NPS
95-2179.0 LPM / 25.09-575.6 gpm
• UPVC • PPH • PVDF
T-connector Dimensions
(Select T-connector material on tabs below ⬇️ )
Plastic pipe - union diameter size(mm)
½"
164
100
27.6
36
62.3
46.2
115.7
82.2
¾"
168
100
32.6
41.9
60
50.5
115.7
85.7
1"
168
100
40.6
50
60
60
115.7
85.7
1¼"
210
114
50.2
59.6
65
75.6
127
89.2
1½"
218
120
56
65.7
70
83
134
92.5
2"
269.5
133.3
72
81
81
99.7
148.8
99
Plastic pipe - spigot pipe diameter size(mm)
2½"
160
70
76
92
106.5
152.5
Metal Fitting - Female Thread
½"
120
89.37
103.4
¾"
120
89.5
106.91
1"
120
89.41
111.16
1¼"
119
95.2
120.7
1½"
129
98.55
126.55
2"
148.5
104.98
137.98
½"
27
64.1
64.1
64.1
76.15
¾"
-
64.1
64.1
64.1
76.15
1"
42
64.1
64.1
-
76.15
1¼"
51
64.1
64.1
51
76.15
1½"
56
64.1
64.1
56
76.15
2"
65
64.1
64.1
76.15
76.12
½"
95.41
-
95.41
42.4
¾"
42.4
-
106.91
42.4
1"
-
-
111.16
42.4
1¼"
54
20
121.2
42.4
1½"
59
24
127.05
42.4
2"
68
30
137.98
42.4
Metal Fitting - Male Thread
½"
120
58.8
111.16
89.4
33
¾"
120
57.69
106.09
89.4
30
1"
120
63.42
103.41
89.4
26
½"
64.1
64.1
76.15
¾"
64.1
64.1
76.15
1"
64.1
64.1
76.15
½"
42.4
111.16
¾"
42.4
106.09
1"
34
103.41
• Pulse signal and flow conversion
Pipe diameter
Model
Metric ratio (pulses per litre)
US Gallon (pulses per US gal)
UK Gallon (pulses per UK gal)
1/2"
FP-P015
106.55
403.33
484.38
3/4"
FP-P020
67.23
254.48
305.62
1"
FP-P025
53.33
201.89
242.46
1-1/4"
FP-P032
24.44
92.51
111.11
1-1/2"
FP-P040
17.02
64.43
77.38
2"
FP-P050
9.86
37.31
44.81
2-1/2"
FP-P065
5.42
20.52
24.64
*Values are based on UPVC pipe. Actual figures may vary slightly depending on pipe material and model.
Product Specification
1. Mechanical Specifications
Installation Method
in-line (Pipe segment)
Fluid Temperature in Pipe
Recommended:
UPVC : 0-50°C (32~122°F)
PPH : 0-90°C
PVDF：-15~100°C
SS316L: -20~100°C
Device working environment temperature
-10~60°C (14~140°F)
Response Time
≤ 0.5 (2Hz) to 1 second (1Hz)
Ingress Protection
IP66*
* IP66 Rating IP66 stands for Ingress Protection 66. The IP rating is a standard that classifies the degree of protection provided by an electrical enclosure against the intrusion of foreign objects. The format is IPXX, where XX represents two digits: the first digit indicates the level of protection against contact and solid foreign objects (dust protection), and the second digit indicates the level of protection against water ingress. A higher number indicates a higher level of protection. For IP66: the first 6 means complete protection against dust ingress; the second 6 means protection against powerful water jets without harmful effect.
2. Measurement Specifications
Applicable Fluids
Clear, oil or chemicals with less impurities (<1%)
Accuracy
±2.5% OR + ± 0.5 % FS (>0.3m/s)**
Repeatability
± 0.4 %
Measurement Principle
Axlesense Technology: magnetism and paddle wheel rotation
Instantaneous Data
Instantaneous flow rate
Totalized Data
Positive flow
Applicable fluid maximum dynamic viscosity
300cSt***
Flow velocity range
± 0.3~10m/s
** Accuracy Notice Accuracy is calibrated under controlled conditions using clean water at ambient temperature with CNS UPVC pipes. Actual performance may vary due to fluid properties, pipe conditions, installation, and environmental factors.
*** The device is calibrated with normal temperature water. Fluids with different viscosities may have different results, and may also change the minimum and maximum flow velocity.
3. Electrical Specifications
Power Supply
DC 24V, 200 mA
(Excluding 4–20 mA and RS485 current)
Reverse Polarity Protection
Yes
- Analog Current Output (4–20 mA)
Wiring
3-wire configuration
Power Supply
Device shares power with the main unit, no external power supply required.
Max. Output Range (incl. error signal range)
2.4 ~ 21.6 mA
Resolution
10-bit (0–24 mA physical range)
Response Time
≤0.5 to 1 s
(matches display update rate)
Loop Resistance
600ohm @ 24VDC
4. User Interface
Languages
English, Traditional Chinese
Units
Flow: L, m³, ft³, US gal
Time: Minute, Hour
Display
Single-screen display:
3-color backlit 3-line 16-character LCD Line 1: Current parameter and unit Line 2: Measurement data Line 3: Key definitions (see Human-Machine Interface section)
Digits
LCD 10 Digits (including sign and decimal point)
Operation Keys
4-touch keys
Wired Communication
Analog Output: Powered 4–20 mA Modbus RTU: RS-485, 2-wire NPN Output (Includes 2 m signal cable, 6-core, non-isolated)
Shipping Contents
Besides other agreed contents, our standard package contains:
FP-AS310 Device * 1
2m 6 pin cable * 1
Quick starting manual * 1
Screws to connect the device and paddle set *1 (Locking screws with your convenient side is suggested. It is unnecessary locking screws both sides)
Paddle Set * 1
Paddle set (incl. paddle base, paddle wheel, shaft) * 1
Paddle set M4 screws * 4
Paddle set O-ring * 1
T-connector (Union/Spigot/Flange) * 1
Union standard T-connector package contains:
Union nuts * 2
Union adapter * 2
O-ring * 2
Spigot standard T-connector package contains:
Spigot T-connector* 1
O-ring * 2
Flange standard T-connector package contains:
Flange Disk * 2
T-connector* 1
O-ring * 2
Components can also be purchased separately T-connector is generally shipped with a paddle set.
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