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FKT 2DP1A-C High Speed Meter for Air Velocity Measurement

Measures Velocity, Diff / Gage Pressure, Absolute Pressure, Temperature, Density, and Humidity

FlowKinetics FKT 2DP1A-C meter included kit FlowKinetics FKT 2DP1A-C meter

The FKT 2DP1A-C is a portable multi-range meter designed for high-speed flows where compressibility is a factor in air velocity measurements. This meter also allows for the simultaneous measurement and display of up to two independent differential pressures or velocities as well as concurrent measurement and display of atmospheric pressure, target gas temperature, relative humidity (RH) and density. Density is determined from the temperature, ambient pressure and humidity readings.

In conjunction with a flow probe such as Pitot-static, S type Pitot-static or Kiel, the FKT 2DP1A-C can make flow velocity measurements corrected for true gas density, high speed compressibility effects and user-selectable ratios of specific heats for gases other than air. The instrument also interfaces with a PC using the FlowScan software suite allowing data logging and flow survey functions and can be configured as a component of a data acquisition system.

US Flag Designed and Assembled in the USA

Features

Specifications

Specifications can be customized. Please contact us for details.

Enclosure

UV protected, water resistant and virtually unbreakable

Dimensions

Length: 8.7 in (220.9 mm)

Width: 7.5 in (190.5 mm)

Height: 3.9 in ( 99.1 mm)

Weight

2.93 lb (1.33 kg)

Working Temperatures

Operating: 32°F to 158°F (0°C to 60°C)

Storage: 14°F to 140°F (-10°C to 60°C)

Power Supply

8 x 1.5V AA Alkaline batteries, field replaceable (batteries not included)

100V-240V AC auto-switching power supply (included)

Battery life

30hrs approx. with screen backlight off.

Pressure Connectors

1/8 in barb, 0.41 in (10.45 mm) long by 0.19 in (4.9 mm) diameter.

Accepts 1/8 in ID rubber tubing

Differential pressure

For available pressure ranges see ordering information

Up to two independent differential pressure transducers installed on each instrument

Zero offset and zero temperature shift: eliminated through auto-zero

Accuracy at 25°C: Typically within ±0.1% of full scale (±0.22% max)

User recalibration procedure available

Maximum simultaneous pressure on both ports for each sensor (above ambient):

  • 10 psi for sensors with a range of ±5inH2O or below.
  • 15 psi for sensors with a range of ±12inH2O or above.

Velocity

For available velocity ranges see ordering information

Corrected for gas density, humidity and compressibility effects

Determined using a Velocity probe with user selectable flow coefficient

User selectable gas molecular weight

Accuracy at 25°C: Typically within ±0.24% of full scale velocity (±0.3% max)

Absolute pressure

Range: 2.2 -16.7 psi (15 - 115 kPa). Can be upgraded to a 30 psi (206 kPa) range. See the absolute pressure upgrade in the cartAccessories & Parts section for details.

Accuracy (0 to 85°C): ±0.5% of Full Scale typical, includes effects of linearity, temperature and pressure hysteresis, zero temperature shift and span temperature shift.

Temperature

The instrument uses a K-type thermocouple and can display temperatures from -328°F to 1430°F (-200°C to 777°C)

The Included K-Type wire thermocouple has a range of -100°F to 900°F (-73°C to 482°C).

Accuracy: ±1.8°F (±1°C)

Quick disconnect miniature size connector

Cable length: 60 in (150 cm)

Relative Humidity

Range: 0 - 99% Relative Humidity, non-condensing

Accuracy: ±2% typical at 25°C, non-condensing

Response time (1/e): 15s in slow moving air at 25°C

Working temperature: -40°F to 185°F (-40°C to 85°C)

Storage: 0 to 90% Relative Humidity, non-condensing

Cable length: 60 in (150 cm)

Probe size: Cylinder 4 in (100 mm) long with a diameter of 0.5 in (13 mm).

Density

Range: 0.05 - 10 kg/m3

Calculated using the absolute pressure, temperature and relative humidity readings as well as the molecular weight and ratio of specific heats set by the user.

Accuracy:

±0.8% of reading from -200 to 0°C (average)

±0.5% of reading from 0 to 777°C (average)

Damping

User selectable from 1 to 64 data averages available.

K factor

Probe coefficient set by user. Range: 0.75 to 1.00

Display

4-line large character variable contrast alphanumeric LCD with LED backlight.

Viewing area: 4.02 in (102 mm) by 1.63 in (41.5 mm)

Pressure units: kPa, inH2O, mmHg and psi

Velocity units: m/s, ft/s and ft/min

Temperature units: °C and °F

Density units: kg/m3 and lb/ft3

Humidity units: percent

Compatible Mediums

Clean, dry, non-corrosive, non-flammable gases

Output

RS232 serial port interface, 9-pin connector. USB adapter (USBA or USBA2) available as an accessory.

Warranty

One year parts and labor.

Ordering Information & Accessories

meter
meter

FKT 2DP1A-C-

Sensor 1:

Medium: Air at 20°C, 101.325 kPa Change...
Probe: Pitot-Static Change...
Duct size: 1m Dia Change...

Sensor 2:

Medium: Air at 20°C, 101.325 kPa Change...
Probe: Pitot-Static Change...
Duct size: 1m Dia Change...
  • Temperature reader (-200 to +777 deg C or -328 to 1430 deg F) with a wire thermocouple (-73 deg C to 482 deg C or -100 deg F to 900 deg F)
  • Humidity sensor (0 to 100%RH)
  • Absolute pressure transducer (15 to 115 kPa or 2.18 to 16.68 psi)
  • Neck/shoulder strap
  • Auto-zero and overload venting valve
  • Auto-switching power supply with USA plug
  • Carrying bag
  • Printed manual
  • Tubing
  • NIST-traceable calibration with data
  • Lead time: 3 weeks
$2,045.00

Quantity:

Accessories & Parts

Velocity and Flow probes

FKT series meter is compatible with all the Pitot-Static, S-type, RAP and Kiel probes we offer.

Click here to see available probes.

Meter Part Number Description Price

FKT 2DP1A-C-R-R


Where R is the pressure range from the table below.

Order Example:

FKT 2DP1A-C-1-12 is an instrument with a ±1 and ±12inH2O transducers.



Full system which contains

  • Up to two differential pressure transducers (for ranges see table below)
  • Temperature reader (-200 to +777 deg C or -328 to 1430 deg F) with a wire thermocouple (-73 deg C to 482 deg C or -100 deg F to 900 deg F)
  • Humidity sensor (0 to 100%RH)
  • Absolute pressure transducer (15 to 115 kPa or 2.18 to 16.68 psi)
  • Neck/shoulder strap
  • Auto-switching power supply with USA plug
  • Carrying bag
  • Printed manual
  • Tubing
  • NIST-traceable calibration with data.

$1940.00

two transducers


$1730.00

one transducer

R Differential Pressure / Velocity Range
0 No transducer
0.25 ±0.25inH2O (±60Pa) , 50 - 2004 ft/min (0.3 - 10.1 m/s)
0.5 ±0.5inH2O (±124Pa) , 63 - 2536 ft/min (0.3- 12.9 m/sec)
1 ±1.0inH2O (±249Pa) , 100 - 4000 ft/min (0.5 - 20.3 m/sec)
5 ±5.0inH2O (±1.2kPa) , 224 - 8964 ft/min (1.1 - 45.5 m/sec)
12 ±12inH2O (±3kPa) , 347 - 13887 ft/min (1.7 - 70.5 m/sec)
20 -4 to +20inH2O , (-995 to +4.98kPa) , 448 - 17928 ft/min (2.3 - 91.0 m/sec)
60 ±60inH2O (±15kPa) , 776 - 25000 ft/min (4.0 - 127 m/sec)
130 ±130inH2O , (±32.3kPa) , 2285 - 25000 ft/min (11.6 - 127 m/sec)
200 ±200inH2O (±49.8kPa) , 2835 - 25000 ft/min (14.4 - 127 m/sec)
400 ±400inH2O (±99.5kPa) , 4009 - 25000 ft/min (20.4 - 127 m/sec)

Velocity values are for standard air conditions and limited to subsonic flow.


Other ranges available

Accessory Description Price
FlowScan Software Suite Software to read meter values into a computer $295.00
USBA USB to serial adapter for computers with no serial port. Length: 1ft (30cm). Windows 98/2000/ME/XP. $25.00
CABLE6 Serial cable replacement - 6ft (1.8m) $10.00
CABLE50 50ft (15.2m) serial cable. $30.00
Probes Needed if you are measuring velocity or flow Link
Filter Kit Set of two 10-micron filters with replaceable elements. Includes a pack of 10 replacement filter elements. Useful for protecting the instrument in dirty environments. $50.00

WPA

Replacement auto-switching power supply (100V-240V AC 50-60Hz)

US plug included

$40.00
Plug-EUR European plug for power adapter $7.00
Plug-UK UK plug for power adapter $7.00
Plug-AUST Australian plug for power adapter. $7.00

All prices are given in USD.

Specifications and prices are subject to change without notice.

Please contact us about applicable discounts.

Email:
inform@flowkinetics.com

Tel: (979) 680-0659

Tel: (888) 670-1927

Fax: (979) 680-0659

Mailing Address:
FlowKinetics LLC
528 Helena Street
Bryan, Texas 77801 USA

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Medium:

Temperature: (-200 to 1250 °C)

Pressure: (2 to 30 psi absolute)

Select test configuration and dimensions.

Round Duct:

Diameter (D):

Rectangular Duct:

Width (W):

Height (H):

Open Area:

Max Insertion (H):

Duct or mounting wall thickness (if any):

Select probe that you want to use to measure speed or flow.


Pitot-Static Probe

General use for determining point flow velocity and flow rates from velocity surveys

More details...

Rapid Averaging Probe (RAP)

Designed for quickly measuring average flow speed or flow rates in ducts

More details...

S-Type Probe

Designed for measuring velocity in dirty flows such as smoke stacks.

More details...

Kiel Probe

Total pressure probe designed to measure velocity where the direction of flow changes considerably during testing

More details...

Select this if you want to use your own probe.

Flow coefficient =

Corrected Velocity=flow coefficient × Uncorrected Velocity

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