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The FTB300 Series of digital paddle wheels
are an economical choice for low flow rate
applications. They use Infra-red light beam
technology. Available connections include
1/8 FNPT, 1/4 FNPT and 3/8" OD tube fittings. Six
available flow ranges as low as 30ml/min to
7000 ml/min. No display models have a 5 Vdc current
sinking pulse output. Units with displays have a 6-digit
LCD, with up to 4 decimal positions that display both
flow rate and total. All units include an open collector
alarm output.
User selectable scale factors include: flow units,
gallons, liters, ounces, and milliliters. Time units
include: minutes, hours, days. Users can also
program custom units. Programming values and total
are stored in the non-volitile memory. The total reset
function can also be disabled. Standard units have a
clear PVC viewing lens, PVDF chemical resistant lens
are available as an option. The enclosure is a weather
resistant Valox PBT and rated NEMA 4X (IP56).
SPECIFICATIONS
Max Working Pressure:
PVC Lens: 9 bar (130 psig) at 21°C (70°F)
PVDF Lens ("-PVDF" Option): 150 psig (10 bar) @ 21°C (70°F)
Max Fluid Temperature:
PVC Lens, FNPT Connectors: 54°C (130°F) at 0 PSI
PVDF Lens ("-PVDF" Option), Tubing Connectors: 93°C (200°F) at 0 PSI
Full Scale Accuracy: ±6%
Input Power Requirement: 9 to 28 Vdc
Sensor Type: Infrared light beam
Alarm Output: Open collector 30 Vdc max
Enclosure: NEMA 4X (IP56)
Approximate Shipping Wt: 0.45 kg (1 lb) Materials of Construction
Body, Paddle, Axle Material: PVDF Connector Material
FNPT Connections: PVC
Tubing Connectors: PVDF Viewing Lens Material Option
Clear See Through: PVC
Opaque Chemical Resistant: PVDF (optional)
O-Ring Seals: FKM (EPDM optional)
Compression Seal to Pump: PVC Sensor Only
Models: 5 Vdc digital square wave (2-wire)
Output: 3-wire shielded cable, 1.8 m (6')
| Model with Display |
Model without Display |
Range |
| 1/8 FNPT |
1/4 FNPT |
3/8" OD Tube |
1/8 FNPT |
1/4 FNPT |
3/8" OD Tube |
lpm |
gph |
| FTB311D |
FTB321D |
FTB331D |
FTB311 |
FTB321 |
FTB331 |
0.03 to 0.3 |
0.48 to 4.7 |
| FTB312D |
FTB322D |
FTB332D |
FTB312 |
FTB322 |
FTB332 |
0.1 to 1 |
1.6 to 15.8 |
| FTB313D |
FTB323D |
FTB333D |
FTB313 |
FTB323 |
FTB333 |
0.2 to 2 |
3.2 to 31.7 |
| FTB314D |
FTB324D |
FTB334D |
FTB314 |
FTB324 |
FTB334 |
0.3 to 3 |
4.8 to 48 |
| FTB315D |
FTB325D |
FTB335D |
FTB315 |
FTB325 |
FTB335 |
0.5 to 5 |
7.9 to 79 |
| FTB316D |
FTB326D |
FTB336D |
FTB316 |
FTB326 |
FTB336 |
0.7 to 7 |
11.1 to 111 |
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with operator’s manual.
LCD displays are not recommended for direct sunlight.
For EPDM O-rings, add suffix "-EPDM" to model number, no additional cost.
For European style power supply (220V50Hz) add suffix, "-EU" to the model number; add $25 to price.
For US 230V 60Hz power supply, add suffix "-230V" to model number; add $45 to price.
NIST certificate not available.
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Part Number Builder |
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Option Descriptions
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(1)
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Fitting Size
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Select
1 for 1/8 FNPT
2 for 1/4 FNPT
3 for 3/8" OD Tube
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(2)
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Range
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Select
1 for 0.03 to 0.3 lpm (0.48 to 4.7 gph)
2 for 0.1 to 1 lpm (1.6 to 15.8 gph)
3 for 0.2 to 2 lpm (3.2 to 31.7 gph)
4 for 0.3 to 3 lpm (4.8 to 48 gph)
5 for 0.5 to 5 lpm (7.9 to 79 gph)
6 for 0.7 to 7 lpm (11.1 to 111 gph)
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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