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Process Instruments


Water Analysis Instruments


Product Name :PH/ORP Controller
Measure range: 0-14(pH), ±0.02PH 1000~1000mV (ORP), ±1mV
Resolution:0.01pH, 1mV
Stability : ≤0.02pH/24H,≤3mv/24H
Input Resistance :≥10~12Ω
Temperature range: 0~100°C, NTC10K
Temp Compensation: Manual / Auto temperature compensation
Communication :RS485, standard Modbus
Signal output : 4-20mA output, Maximum loop 750Ω,0.01%FS
Power supply:220V±1%, 50Hz
Relay Out:230VAC, 3A


Product Name :EC/TDS Controller
Display:2.4 inches 128*64 LCD Screen
Measure range:0 to 20000 µS/cm
Dimension :96H*96W*96.5D mm
Accuracy :± 1%FS
Stability : ± 1%FS/24H
Temp Compensation: Manual Automatic Compensation,NTC10K or Pt1000 Offset
Communication :RS485 Modbus – RTU protocol
Current Output : 4-20 mA
Power supply:220 V AC
Relay Out:2 relays Rating (230V AC 3 A)


Product Name :DO Controller
Measurement variables:Dissolved oxygen, Saturation,Oxygen Partial Pressure
Measure range:0 - 20mg/L, 0 - 200%, 0 - 400hPa
Resolution :0.01mg/L, 0.1%, 1hPa
Accuracy :±1.5%FS
Temp measurement type:NTC 10K/PT1000 Auto A/manual H Measuring range
Output type :4 - 20mA current transmission output Max.loop resistance 750Ω
Input Type : RS485 digital signal output Communication protocol Standard MODBUS-RTU (customizable)
Power supply:AC220V±10%, 50Hz/60Hz (Optional 24V±10%)
Alarm relay :230V, 3A (High /Low Relays)


Product Name :Turbidity Analyzer
Size:145*125*162 mm
Weight :1.3 kg
Power supply :220V AC or 24 V DC
Output :3 way analog output 4-20mA
Communication :RS 485 MODBUS
Waterproof Rate :IP65/ NEMA4X
Product Name :Turbidity Sensor
Size:Diameter 60mm* Length 256mm
Main Materials:Main Body:SUS316L (Ordinary Version),Titanium Alloy (Seawater Version)
Upper and Lower Cover:PVC;Cable: PVC
Weight :1.65 kg
Measuring Range :0.01-100 NTU, 0.01-4000 NTU
Pressure Range :≤0.4MPa
Flow Velocity : ≤2.5m/s, 8.2ft/s
Waterproof Rate :IP68/NEMA6P
Cable Length :: Standard 10-Meter Cable, Max Length: 100 Meters


Product Name : Ultrasonic Level Transmitter
Measuring Range:5m, 10m, 15m, 20m, 30m, 40m, 50m, 60m
Accuracy:0.5% - 1%
Analog Output:Four wires 4-20mA/510Ω Load;Two wires 4-20mA/510Ω Load
Relay Out :AC230V/8A or DC30V/5A
Power Supply: 24V DC or 220V AC
Communication:RS485(Standard) or RS232
Ingress Protection:: IP65 (Display Instrument),IP68 (Sensor)


Product Name :Submersible Level Transmitter
Measuring Range:0-200m(284.5psig/19.6 bar)
Pressure Type :Gauge & Absolute Pressure
Accuracy : ≤ 0.5%FS
Output Signal:4-20mA, 0-5V, 0-10V
Power Supply:24V DC (Standard), 12V/5V(Customized)
Medium Temperature: 0-80˚C
Ingress Protection:IP68
Housing Material:Stainless Steel
Diaphragm:316L SS


Product Name : Radar Level Transmitter
Measuring Range:0-30m
Accuracy : ±3mm (30m range), ±10mm (70m range)
Signal Output :4-20mA/HART (Two wire/Four)
Process Connection :Thread, Flange
Process Pressure :-0.1 to 4.0 Mpa (Flat Flange) -0.1 to 0.1 Mpa (Universal Flange
Medium Temperature:0-250˚C
Communication:RS485 Modbus (Standard) or RS232
Ingress Protection:IP67 (Probe)


Product Name :Electromagnetic Flow Meter
Accuracy : ± 0.5 %R
Nominal Pressure:4.0 MPa (DN10~DN150)1.6 MPa~0.6MPa (DN200~DN2000)
Power Supply: 220 V AC or 24 V DC
Electrode:316L electrode (std):HB/HC Alloy electrode (Strong Acid and alkali) Titanium electrode ; Tantalum electrode ; tungsten electrode; platinum electrode
Range ratio :20:1 10:1 15:1
Working temperature: Sensor : 25~180°C
Converter :-10~60°C (≥ 80°C customization)
Fluid Demand : : Conductive medium (conductivity ≥ 5uS/cm liquid)
Fluid Direction :Positive and Negative, Totalizer
Signal Output:4~20 mA(load resistance 0~750Ω), Pulse/frequency, Control Level
Communication :RS485 (MODBUS – RTU ) HART protocol; profibus protocol (customized)
Installation :Flange mounting (standard),Flange clamp(customized),Bar clasp fast mounting (customized)


Product Name :Vortex Flow Meter
Accuracy : ± 1%R(standard),±1.5%FS
Insert Type :±2.5%R, ±2.5%FS
Nominal Diameter :DN20~300 (Compact type/remote type), DN250 ~300( insert type)
Nominal Pressure :DN15~200(40 MPa),DN250~300(0.6~1.6 MPa)
Power Supply : Senor: 12V DC, 24V DC
Transmitter: 12V DC;
Battery Powered : 36V
Rage ratio: 20:1 10:1 15:1
Output Signal:Square Wave pulse (Battery power is not included ) High Level ≥5V,Low level ≤1V
Current :4-20 mA
Ingress Protection :Standard type IP 65 Diving type IP 68
Environment Condition :Temperature: 20°C ~ 55°C
Relative Humidity : 5% ~ 90%RH
Atmospheric pressure : 86 ~ 106Kpa
Signal Output :4-20mA(Load resistance 0-750Ω); Pulse/frequency, Control level
Medium:Gas, Liquid, Steam


Product Name :Turbine Flow Meter
Measure Medium:Liquid, Gas
Nominal Diameter:DN4 - DN200mm
Measurement Accuracy:0.2, 0.5, 1.0 (preferred)
Medium Viscosity:less than 5 × 10-6m2 / s (for the liquid with >5 × 10-6m2 / s , the flow meter needs to be calibrated before using)
Nominal pressure:1.0MPa; 1.6MPa; 2.5MPa;4.0MPa; 6.3MPa
Medium temperature:-20°C ~ +120°C (stainless steel measuring tube)
Ambient temperature:-20°C ~ +60 °C;
Relative humidity : 5% to 95%RH
Atmospheric pressure:86kPa ~ 106kPa
Power supply :3.6V lithium battery; 12VDC; 24VDC
Output signal:Three-wire pulse output, Two-wire 4-20mA output
Ingress protection :IP65 (IP67, IP68)


Product Name :Handheld Ultrasonic Flow Meter
Pipe Size :20mm-6000 mm
Case Size :100x66x20 mm
Response Time :0-999 sec, user-configurable
Accuracy :±1% of reading at rates>0.2 mps
Velocity :±32 m/s
Totalizer:7-digit totals for net, positive and negative flow respectively
Transducer Cord Length :Standard 5m x 2, Optional 10m x 2
Power Supply :3 AAA built-in Ni-H Batteries
Data Logger :Built-in data logger can store over 2000 lines of data
Housing Material:ABS

Premier Instruments is one of the leading suppliers of stressreleaving equipments in India with a long experience of more than 30 years in the field of process instruments, measurement and calibration.We supply Temperature recorders, Thermocouples, RTDs, chartpapers, pens and ribbons, control panels,..

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  • 022 - 2520 3104
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    Chennai - 600053
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