Flow Rate Indicator (Models : P-181 or. F-181) Type of Meter : Insertion Paddle Wheel type Flow Rate Indicator Max. % of Solids : 1% of fluid volume, non-abrasive, non-magnetic, <100 micron in dia. & length Mounting : Field or, Panel Pipe Line size : min. 15 mm up to 500 mm Pressure drop : Less than 0.1 bar Pulses : 4 Pulses each rotation Accuracy : +/- 1% of Full Scale if velocity is more than 0.5 m/s Repeatability : +/- 0.5% Linearity : +/- 2% of full scale Enclosure : Weather proof IP 65 Gland : PO7 Fitting material : ABS, SS304 or, SS316 Fitting Type : Threaded, Flanged, Weld on Adaptor Flow Ranges : min. from 4.33 to 58000 LPM Max. Operating Temperature: 60° C for PP Sensor with ABS fittings & 100°C for SS Sensor with SS Fitting Sensor Cable Length : 0.5 mtrs for Field Mounted Meter & 3 mtrs for Panel Mounted Meter Paddle : PVDF (Magnetic up to 100°C & Non Magnetic up to 80°C) Indicator Housing : Polycarbonate O-rings/Pin : Viton/Hastealloy C Sensor Rod : PP or, SS316 Max. Working Pressure: 7 kg/cm2 for PP Sensor with ABS fittings and 12 Kg/cm2 for SS Sensor with SS fitting. Display : 16 X 1 alpha-numeric LCD display with Backlit Indicator unit dimensions: 110 mm (H) X 110 mm (W) X 150 mm (D) Field selectable Units : M3/Hr., LPH, LPM, LPS, GPMUS, and GPMUK Supply : 230 V AC +/- 15%, 50 Hz T Fitting : It is compulsory with PP or, SS 316 Flow Sensors (Selection from TYPE OF T-FITTINGS)

1. FITTINGS&
ACCESSORIES
Plastic fittings Solvented Cement End & Threaded End
40 NB
25 NB
15 NB
230mm
175mm
250mm
THREADED END
139mm
118mm
92mm
SOLVENTED CEMENT END
Our comprehensive range of fittings offer an unlimited installation possibilities.
Designed according to the law of Fluid Dynamics our fittings are capable of
positioning the sensor accurately in any piping to ensure correct reading of
flow in any situation.
For Line sizes
½”, 1”, 1 ½”

2. FITTINGS&
ACCESSORIES
Plastic fittings - Saddle (universal mounting option)
The Next Level of Convenience...
Take the trouble out from assembly work.
The most convenient solution as easy as 1, 2, 3...
1. Drill a hole of 35 mm in the line.
2. Insert the saddle fitting.
3. Strap it up with the clamps. Done!
For Line sizes
2”, 2 ½”, 3”, 3 ½”, 4”
It’s essential to maintain the straight runs as per the laws of Fluid Dynamics
Calibration is to be carried out at your end, as we do not have the control
of the site parameters

3. Metal fittings - Stub End
FITTINGS&
ACCESSORIES
For SS SensorFor PP Sensor
500 mm
5mm
450 mm
5mm
350 mm
5mm
5mm
300 mm
50NB
65NB
80NB
100NB
500 mm
5mm
450 mm
5mm
350 mm
5mm
5mm
300 mm
Our comprehensive range of fittings offer an unlimited installation possibilities.
Designed according to the law of Fluid Dynamics our fittings are capable of
positioning the sensor accurately in any piping to ensure correct reading of
flow in any situation.

4. Metal fittings Threaded End
FITTINGS&
ACCESSORIES
40 NB
40 NB
1½” BSP
Threading
1½” BSP
Threading
235 MM
Flow Direction
Flow Direction
Adaptor for SS sensor
Adaptor for
PP sensor
15 NB
25 NB
Line size
25 NB
15 NB
½” BSP
Threading
265 MM
Flow Direction
1” BSP
Threading
265 MM
Flow Direction
Adaptor for SS sensor
½” BSP
Threading
Flow Direction
1” BSP
Threading
Flow Direction
Adaptor for PP sensor

5. Metal fittings Welded flange End
FITTINGS&
ACCESSORIES
50NB
65NB
80NB
100NB
For PP Sensor
500 mm
450 mm
350 mm
300 mm
For SS Sensor
500 mm
450 mm
350 mm
300 mm
Our comprehensive range of fittings offer an unlimited installation possibilities.
Designed according to the law of Fluid Dynamics our fittings are capable of
positioning the sensor accurately in any piping to ensure correct reading of
flow in any situation.

6. NK Instruments Pvt. Ltd.B-501/504, 5th floor, Raunak Arcade, Near THC Hospital, Gokhale Road, Naupada,
Thane(W) 400602. Maharashtra INDIA Telefax Nos.: 91-22-25301330 / 31 / 32
E-Mail: sales@nkinstruments.com Web: http://www.nkinstruments.com
Skype: nitinkelkarskype Gtalk: nkinstruments2006
Authorised Dealer
Metal fittings Tri clover end (Sanitory Fittings)
FITTINGS&
ACCESSORIES
Our comprehensive range of fittings offer an unlimited installation possibilities.
Designed according to the law of Fluid Dynamics our fittings are capable of
positioning the sensor accurately in any piping to ensure correct reading of
flow in any situation.
25 NB
15 NB
Line size
160 MM
Flow Direction Flow Direction
Adaptor for SS sensor
Adaptor for
PP sensor
175 MM
160 MM
Flow Direction Flow Direction
Adaptor for SS sensor
Adaptor for
PP sensor
175 MM