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. NK Instruments Pvt. Ltd. hasInsertion
Paddle type Flow Sensor along with Digital
Flow Rate Indicator is181 series. Its Digital
Indicator can be Panel Mounted (P181) or, F ield
Mounted (F181). Sizes available from ½” up to
20”.
This meter has programmable scale factor and
direct selectable units for flow rate like M3/ hr
LPH, LPM, LPS,GPMusor GPM uk.
Technical Specifications for Insertion
Paddle Wheel type Flow Rate Indicator (Series 181)
Function : Rate Indicator only
Display : 16 X 1 LCD display
Supply of Voltage : 230 V AC
Linearity : ± 1% of full range
Repeatability : ± 0.5% of full range
Inputs : Flow Sensor (P812)
Configuration Lock : Password protection
Calibration : Using front membrane keys
Meter size : 110 mm X 110 mm X 150 mm
Cutout Size : 90 mm X 90 mm for panel mounted unit(P-181)
Protection Rating : Weatherproof to IP65,Similar Meter is available in flameproof version also.
Insertion Paddle Wheel type FlowRate Indicator Series 181 Brand : Nuclus
Field Mounted / Panel Mounted / Flameproof

2. 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
LINE SIZE SELECTION
Size 15 NB 25 NB 40 NB 50 NB 65 NB 80 NB 100 NB
Min Flow
m3/hr
0.23 0.88 2.04 3.50 6.30 8.00 14.0
Max Flow
m3/hr
2.60 8.80 20.4 35.0 63.0 80.0 140
TYPE OF SENSOR INSTALLATION FITTINGS
Continuous efforts for product development may necessitate changes in these details without notice
Weld Block
SS ‘T’ fi n ith
Threaded end
SS ‘T’ fi n ith
stub end
SS T fi with
welded flange Weld Adaptor