FKT 1DP1A-SV Manometer, Air Speed Meter, and Airflow Meter

The FKT 1DP1A-SV is designed as a manometer, an air speed meter, and an air flow meter with automatic density correction. This instrument allows for the simultaneous measurement and display of differential pressure, atmospheric pressure, target gas temperature, relative humidity (RH), humidity ratio and density. Density is determined from the temperature, ambient pressure and humidity readings. Accurate measurements can also be done on gases other than air by the user modifying the molecular weight of the target gas. In conjunction with an optional flow probe such as Pitot-static, S type Pitot-static, Kiel or RAP, the FKT 1DP1A-SV can display measured speed accounting for true gas density.

The FKT 1DP1A-SV can be used to perform duct surveys for airflow monitoring with on-board integration of the speed profiles. In addition, this model estimates the uncertainty in your measurements for differential pressure, speed and volumetric flow rate. The instrument also interfaces with a PC using the FlowScan software suite allowing data logging and flow survey functions and can configure as a component of a data acquisition system.

Designed and Assembled in the USA

Features

• Simultaneous measurement and display of
  • Differential pressure or speed (using optional probe).
  • Temperature.
  • Relative Humidity.
  • Humidity ratio.
  • Atmospheric pressure (or absolute pressure).
  • Real time display of true density including effects of temperature and water vapor.
• Excellent accuracy.
• Duct surveys at the touch of a button using an optional probe. Measure volumetric and mass flow rates in 3 user selectable units. SCFM available for ft/m range selection.
• Estimation of measurement uncertainty.
• Extreme ease of use. The instrument was specifically designed to avoid menu driven operation, as this usually proves cumbersome and requires continual reference to the manual. Almost all required information is displayed concurrently through the use of a large 4 line LCD display.
• K factor (probe correction coefficient) for non-unity probes such as the S type Pitot-static probes used in dirty environments.
• English and metric units.
• Speed measurements are displayed with compressibility, temperature and humidity corrections. In conjunction with an optional flow probe such as Pitot-static, S type Pitot-static, Kiel or RAP speed measurements, based on true gas density, can be displayed. Even the ratio of specific heats for the target gas is user selectable.
• Variable damping for measurements involving pulsating flows.
• Auto-zero function without disconnect. Internal valve removes pressure or speed offsets. Your reference level never changes ensuring unmatched accuracy and reliability.
• Over-pressure protection: If the applied pressure exceeds the transducer rating, the instrument will automatically enter the auto-zero cycle which will equalize pressure across the differential transducer reducing the possibility of damaging the transducer.
• Full data logging capability with optional FlowScan Software Suite. FlowScan performs logging; plotting, prompt driven duct Pitot probe surveys and even creates instant reports. FlowScan also has Excel connectivity to send the data directly to your worksheet.
• Rugged water resistant case.

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 Connector	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 One independent differential pressure transducer 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.
Speed / Flow	For available speed ranges see ordering information Corrected for gas density and humidity Using an optional speed probe with user selectable flow coefficient User selectable gas molecular weight Accuracy at 25°C: Typically within ±0.24% of full scale speed (±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 Accessories & 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 1500°F (-200°C to 816°C) The Included K-Type wire thermocouple has a range of 32 to 900°F (0 to 482°C). A thercouple with an expanded range is availabe in the Accessories & Parts section. 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 -328 to 32°F (-200 to 0°C) (average) ±0.5% of reading from 32 to 1500°F (0 to 816°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 Speed units: m/s, ft/s and ft/min Temperature units: °C and °F Density units: kg/m3 and lb/ft3 Humidity units: percent & mass ratio (kg of water vapor / kg dry air) Volumetric flux units: m/s, ft/s, ft/m, sft/m (scfm) Mass flux units: kg/m2s, lb/ft2s, lb/ft2m
Compatible Mediums	Clean, dry, non-corrosive, non-flammable gases
Output	RS232 serial port interface, 9-pin connector. USB adapter (USBA2) available as an accessory.
Warranty	One year parts and labor.

Ordering Information & Accessories

All prices are given in USD.

Specifications and prices are subject to change without notice.

Please contact us about applicable discounts.