200 series

Flow measuring system for closed pipes with “T” mount PVC impellers, that feature a six bladed impeller design with a non magnetic sensing mechanism connected to a 4-20mA transmitter, and an optional remote digital meter/controller with multipple choice of outputs (2/4 transistor relays, 0-10V/4-20mA, RS232/RS485, Profibus, DeviceNet).

Six bladed impeller PVC Tee flow sensors
Also available in brass/bronze, and stainless steel sensors together with the relevant metal Tees,as well as special versions for underground installations.

Accuracy 1% of the max range (0.3-9.0m/sec)
Linearity 1% of the max range
PVC Tee available for 1 ½, 2, 3, 4” pipes
(or threaded fittings for large diameter pipes)

 

Pulse converter / transmitter 4-20mA
Power supply 15-40 VDC (via panel meter).
Software for adjustment via the PC.
Maximum distance of transmitter from
sensor  500m

Digital Controller
0-20mA or 0-10 VDC  Input
1/8 DIN (48mm x 96mm)
5 Digit, 0.56" (14mm) LED
Voltage 85 to 250 VAC, 50/60 Hz, 15 VA
Field Upgradeable Option Cards (2/4 transistor relays, 0-10V/4-20mA, RS232/RS485, Profibus, DeviceNet)
Power supply :220 VAC

100 series

• flow ratemeter
• totalizer /
• batch controller

for closed pipe flow measuring systems
with “T” mount PVC impellers, that feature a six bladed
impeller design with a non magnetic sensing mechanism.

Six bladed impeller PVC Tee flow sensors
Also available in brass/bronze, and stainless steel sensors
together with the relevant metal Tees,as well as special versions for underground installations.

Accuracy 1% of the max range (0.3-9.0m/sec)
Linearity 1% of the max range
PVC Tee available for 1 ½, 2, 3, 4” pipes
(or threaded fittings for large diameter pipes),

 

Batch Controller Model 515

Α batch controller that covers most fluid batching requirements that use one or two stage control valves. Starting , stopping or setting the preset quantity for each batch can be achieved from the front keypad or further automated via serial communications. The hardware I/O caters for signals such as End Of Batch, Flow Alarm and Pulse Output. The state of the relays can be defaulted to either "open" or "closed".

The 515 Batch Controller is a dual stage batch controller for reliable measurement of preset quantities. Used as a single or dual stage controller it is suitable for fast batch applications. It provides the operator with clear local readout and can be controlled via communications in more automated systems. There is quick access to commonly used preset values directly from the front panel if access has been authorized.
Automatic overrun compensation caters for system delays such as valve closure for precise volumes. The instrument is compatible with a wide range of flowmeter signal outputs, including analogue 4 -20mA, millivolt signals, reed switches, Namur proximity switches and pulse trains via its smart front-panel program selection. Different versions are available for pulse/frequency or analogue outputs.

Features
• Tailored for volumetric frequency flow input
• Single or Dual stage control
• Quick access to common batch quantities
• No-flow, leakage and overflow error detection
• Remote RUN/STOP/RESET
• Allows for non-linear correction
• Storage of 100 transactions with time and date stamp
• Selection of second language and user tags
• Infra-red communications port on front panel
• Pulse width and scaling of pulse output
• 4-20mA re-transmission
• Sellectable protocols on serial ports including Modbus RTU and Printer output
• Front panel adjustment of 8-24V DC output voltage
• Backlit display
• LCD backup

Specifications

General
Power Supply: 95...135 V AC or 190...260 V AC or 12...28 V DC
Consumption: Typically 6W
Temperature: 0°C to +60°C (conformal coating) +5°C to +40°C (no coating)
Humidity: 0 to 95% non condensing (conformal coating) 5% to 85% non condensing (no coating)
Protection: Sealed to IP65 (Nema 4X) when panel mounted
Dimensions 147mm (5.8") width 74mm (2.9") height 167mm (6.6") depth

Display
Type: LCD with 7-digit numeric display and 11-character alphanumeric display (backlit option)
Digits: 15.5mm (0.6") high
Characters: 6mm (0.24") high
LCD Backup: Last data visible for 15min after power down
(optional)
Update Rate: 0.3 second

Non-volatile Memory
Retention: > 30 years
Data Stored: Setup, Totals and Logs

Approvals
Interference: CE compliance
Enclosure: ATEX, FM, CSA and SAA approved enclosures
available for hazardous areas

Real Time Clock (Optional)
Battery Type: 3 volts Lithium button cell (CR2032)
Battery Life 5: years (typical)

Inputs
Frequency Input (General)
Range 0 to 10kHz
Over-voltage 30V maximum
Update Time 0.3 sec
Cutoff frequency Programmable (default at 0.25Hz)
Configuration Pulse, coil or NPS input
Non-linearity Up to 10 correction points

Pulse
Signal Type CMOS, TTL, open collector, reed switch
Threshold 1.3 volts
Coil
Signal Type Turbine and sine wave
Sensitivity 15mV p-p minimum

NPS
Signal Type NPS sensor to Namur standard

Remote Logic Inputs
Signal Type Voltage free contact, open collector
Outputs
Relay Output
No. of Outputs: 2 relays
Voltage: 250 volts AC, 30 volts DC maximum
Current: 3A maximum

Communication Ports
Ports RS-232 port, RS-485 port, Infra-red port (optional)
Baud Rate: 2400 to 19200 baud
Parity: Odd, even or none
Stop Bits: 1 or 2
Protocols: ASCII, Modbus RTU, Printer (RS232)

Transducer Supply
Voltage: 8 to 24 volts DC, programmable
Current: 70mA @ 24V, 120mA @ 12V maximum
Protection: Power limited output

Pulse/Digital Output
Signal Type: Open collector, non-isolated
Switching: 200mA, 30 volts DC maximum
Saturation: 0.8 volts maximum
Pulse Width: Programmable: 10, 20, 50, 100, 200 or 500ms

4-20mA Output (Optional)
Supply: 24 volts DC internal, non-isolated
Resolution: 0.05% full scale
Accuracy: 0.05% full scale (20°C) 0.1% (full temperature range, typical)

APPLICATIONS

• Tanker Loading
• Bio-Blending
• LPG bulk deliveries
• Chemical IBC filling
• Additive Injection
• Weighbridge replacement
• Edible oil batching
• Ship bunkering
• Tanker Unloading
• Truck Registers
• Cryogenic metering

Sigma LTF Turbine Flow Meter for full pipes

 

Designed for performance, this highly accurate with excellent repeatability light weight system, consists of a flow sensor and a signal converter. It is available as compact version and in separate sections version.
Sigma LTF Turbine Flow Meters are ideally suited for low viscosity without impurities industrial fluids.

Specifications
Flange connection type (DN20-DN200)
Thread connection type (DN4-DN50)
Insertion type (DN150-DN1100)
Standard accuracy: 1.0% of Rate, Optional 0.5% of Rate
Output signal: Pulse output, 4-20mA
Display: available with or without LCD Display
Body Material: SS304, Optional SS316
Impeller Material: 2Cr13 or CD4Mcu Stainless Steel

Bearing Material: Tungsten Carbide
Medium teperature: --20-80? 80-150? (High Temperature version
Power Supply: +24VDC±15%
Protection rating: IP60 & IP65 (Ex versions)
Explosion rating: ExdIIBT6 (optional)

The sanitary version of LTF flow meter is specifically designed for measurement of food liquids like milk, cream, juice of various fruits and pharmaceutical liquids etc. It is available with compact or remote version of transmitter, with or without display, pulse or 4-20mA output, can be installed either horizontally or vertically with a variety of optional end-fittings to meet your requirements.

Technical data
-DN4-DN100
-Viscosity from 1 to 10 cst
-Pressure resistant to 10 bar
-Communication: Modbus RS485

 

 

 

 

 

Operating Principle:
Turbine Flow Meters use the mechanical energy of the liquid to rotate a rotor in the flow stream. Fluid entering the meter first passes through an inlet flow straightener that reduces its turbulent flow pattern. As each turbine blade passes through the magnetic field generated by the meter's magnetic pickup, an AC voltage pulse is generated. These pulses provide an output frequency that is proportional to volumetric flow. The generated signal is converted into engineering units (liters, cubic meters, gallons etc.) on the local display where applicable. Optional accessory modules can be used to export the signal to other equipment.

Ordering Options
Threaded type  (DN4-DN50)
Flanged  type (DN20-DN200)
Insertion type (DN150-DN1100)
No display; 24V DC; Pulse Output
No display; 24V DC; 4-20mA Output
Local display; Lithium Battery Power; No Output
Local display; 24V DC Power; 4-20mA Output, Optional backup power: Lithium Battery
Local display; 24V DC Power; 4-20mA Output;  Modbus RS485 Communication, Optional backup power: Lithium Battery

Applications
Low viscosity without impurities diesel; gasoline; water

Swirl design Flow Meter

Compact type with local display
Accuracy: ±1.5% of rate
Digital display; Temperature & Pressure Compensation
24V DC; 3 wires 4-20mA output; RS485;
Cast Aluminum for body material
Exd II BT6

Applications
Swirl flow meters are used for accurate measurement of the flow of gases, liquids and steam over a wide range of temperatures in almost any application. Swirl meters are ideal for use on low viscosity liquids, demineralized water, and for direct, cost-effective steam mass flow.
♦ Gas flow, oil field and urban gas distribution
♦ Petroleum, chemical, electric power, metallurgy industry
♦ Natural gas for many applications
♦ Compressed air, nitrogen gas
♦ Blast furnace gas, combustion-supporting air, mixed gas, flue gas, recycled gas etc

SIGMA ST Series Compact Ultrasonic Clamp on type flow meter without contact with the liquids.

Description
Sigma ST is very unique in its structural design. It uses a circular magnetic steel to achieve automatic connection during installation. It takes only 2-3 minutes to complete the whole process from installation to measurement. It also adopts the current popular OLED display, which makes it easy to read in low light conditions.

Sigma ST series flow meters offer users easy installation, no process downtime, no pressure loss or leak and no contamination of the medium to be measured.

Features
● With the world's most advanced time measurement chip (time resolution of SOps), a new
generation of stable flow meters has been developed
● The flow meter is fitted on the outside of the tube without additional pipe interventions required
● No expertise required, installation and measurement can be done according to the operating instructions
● No moving parts, no pressure loss. The flow meter can be installed without stopping production

Characteristics
Flow Range: 0.1 m/s~5.0 m/s
Accuracy: ±2.0%
Repeatability: 0.8%
Pipe Size: Φ6.35 ~ Φ90
Sigma ST holds statistics of daily, monthly, and annual consumption over a long period of time.
Flow Totalizer
Analogue Output: 4~20mA, Maximum load: 600Ω
Alarm Output: OCT, Upper and lower limit alarm function (optional)
Communication: RS485, support Mod bus communication protocol
Power Supply: 24 VDC
Cable Length: 2.0m
Keypad: Four light touch buttons
Screen: OLED 128*64 display screen
Units: Metric and imperial units are available, Cubic Meters(m³), Liters(L), USA Gallons(GAL)/hour, /min, Default unit setting: m³/h
Totalizer: Six bit digit
Piping Material: Stainless steel pipe, carbon steel pipe, copper pipe, plastic pipe
Housing Material: Aluminum alloy
Environment Temp. : 0℃~50℃(32°F~122°F)
Medium Temp. : 0℃~50℃(32°F~122°F)
Environment Humidity: 0-95% relative humidity, without condensation
IP rating: IP54

Applications
• Treated Water
• Water distribution flow metering
• Building Services
• Sea water
• Leak Detection
• Power/Energy Management
• Food/Hygienic flow-monitoring
• Cooling Water
• Chemical / Pharmaceutical
• Alcohols
• Chemical solvents
• Acids
• Pump inspection
• Hydraulic Oil
• Low-Conductivity Water
• Water / Glycol Solutions
• Diesel
• Survey work
Also used in the production to measure water and other liquids throughout the facility.

Technical Data
Model: SIGMA ST Series
Flow Range: 0.1 m/s~5.0 m/s
Accuracy: ±2.0%
Repeatability: 0.8%
Pipe Size: Φ6.35 ~ Φ90
Data Storage: Daily, monthly, and Annual. Flow Totalizer
Analog Output: 4~20mA, Maximum load: 600Ω
Alarm Output: OCT, Upper and lower limit alarm function (optional)
Communication: RS485, support Mod bus communication protocol
Power Supply: 24 VDC
Cable Length: 2.0m
Keypad: Four light touch buttons
Screen: OLED 128*64 display screen
Units: Metric and imperial units are available, Cubic Meters(m³), Liters(L), USA Gallons(GAL)/hour, /min, Default unit setting: m³/h
Totalizer: Six bit digit
Piping Material: Stainless steel pipe, carbon steel pipe, copper pipe, plastic pipe
Case Material: Aluminum alloy
Environmental Temp.: 0℃~50℃(32°F~122°F)
Medium Temp.: 0℃~50℃(32°F~122°F)
Environment Humidity: 0-95% relative humidity, without condensation
IP rating: IP54

Also available with optional remote display

 

Sigma 226 Series

Wall-mount Transit type Ultrasonic Flow meter

Flow range: 0.03m/s-10m/s
Accuracy : ±1% of the measure value
Repeatability: 0.2%
Display: 240*128 back lit LCD
Power supply: 90-245V AC
Transmitter enclosure: IP65, ABS
(Temperature: -20℃~60℃)
Output: OCT pulse output 0-10KHz, Relay
output, 4-20mA optional
Communication: RS485
Pipe size range: 25mm-1200mm
Sensor: Clamp-on type
Protect: IP68
Cable Length: 5 meters/pcs
Sensor Operating temperature: -40℃ ~ +80℃
Supports SD card

Transit type ultrasonic flow meters are suitable for applications in full closed pipes, for liquids with < 2% solids or bubbles.

Sigma 6100 Series

Wall-mounted Doppler Ultrasonic Flow Meter

• It is suitable for pipe sizes ranging from 40 to 4000mm
• For applications in closed full pipes, for "dirty" liquids that contain bubbles or suspended particles larger than 100 microns and in concentrations not less than 75ppm.
• Excellent low flow rate measurement ability, low to 0.05m/s
• A wide range of flow measurement, high flow rate can reach 12m/s
• High-temperature transducer is suitable to liquids of -35℃ ~ 200℃
• Do not need to shut down the pipe flow when installing the transducers
• User-friendly configuration
• 4-20mA, Relay Totalizer and Relay Alarm outputs
• Accuracy: 2.0% Calibrated span

Specifications: Transmitter
Measurement principle Doppler ultrasonic
Resolution 0.5mm/s
Repeatability 0.2% of reading
Accuracy 0.5% -- 2.0% F.S.
Response time 2-60s for optional
Flow Velocity Range 0.05- 12 m/s
Liquid Types Supported Liquids containing 100ppm of reflectors and at least 20% of the reflectors are larger than 100 micron.
Power Supply AC: 85-265V DC: 24V/500mA
Enclosure type Wall-mounted
Protection rating:  IP66 according to EN60529
Operating temperature -20℃ to +60℃
Housing material Fiberglass
Measurement Channels 1
Display 2 line × 8 characters LCD, 8-digit rate or 8-digit total (resettable)
Units User Configured (English and Metric)
Rate Rate and Velocity Display
Totalized gallons, ft³, barrels, lbs, liters, m³,kg
Communication 4-20mA,relays for Totalizer and alarm output
keypad 6pcs buttons
Size 244(h)*196(w)*144(d)mm
Weight 2.4kg

Specifications: Transducer
Transducers Type Clamp-on
Protection rating: IP65. IP67 or IP68 according to EN60529
Suited Liquid Temperature Std. Temp.: -35℃~85℃ for short periods up to 120℃
High Temp.: -35℃~200℃ for short periods up to 250℃
Pipe diameter range 40-4000 mm
Transducer Size 60(h)*34(w)*32(d)mm
Material of transducer Stainless steel
Cable Length Std: 10m

Sigma Ultrasonic Open Channel flow meter

A non-contact ultrasonic open channel flow meter, with low blind area, high sensitivity, high stability. It consists of ultrasonic probe and the Control Unit, mainly used for flow measurement & flow rate in water irrigation, sewage plants, chemical enterprises sewage outfalls, and institutions.

Features
• Multiple functions, with calculating, control, transmitting and other functions.
• Match with various weirs. Right-angle triangle weir,rectangular weir,groove, parshall flume, throat channel slot.
• Accurate measurement, automatic temperature compensation function, automatic filtering system, strong anti-jamming.
• Accurate measurement in colder regions with electric heat tracing sensor.
• With IR remote control, easy to operate.
• Large screen display,double line 14 bit LCD liquid crystal display (with backlight),characters of the man-machine interface.
• With RS485 serial communication,the standard MODBUS RTU protocol,can communicate with Ethernet device,PC,PLC and DCS.
• Can provide up to 6 relays,can set the upper limit and lower limit alarm and control (instantaneous flow rate and water level),can be set high,low and fault alarms.

TECHNICAL PARAMETERS
Weir & Flume Match：Parshall Flume,Triangular Weir, Rectangular Weir, Non-throat Flume, ISO Standard：Parshall Flume
USBR Standard： Long-throat Flume (Rectangular lume, Trapezoid Flume)

Probe：4m (otherwise other range and anti-corrosion requirements,
indicate when you ordering)
Accuracy：0.2% Full span (In air)
Display Resolution： 1mm
Display： 14 Digit LCD in 2 rows
Output Current： DC4~20mA / RS485 / Hart Serial communication RS485 (modbus standard protocol)
Output Load： 0~500Ω
Output Resolution： 0.03% Full span
Relays： 2、4、5、6(5A 250VAC/30VDC)
Baud rate： 19200/9600/4800
Parameter set up： 3 induction buttons
Temperature Range： -40 ºC ~75 ºC (LCD：-20 ºC ~+70ºC)
Temperature compensation： The whole range is automatic
Pressure Range： ±0.1MP (press definitely)
Power Supply： DC24V（±5%） 0.2A
AC220V（±20%） 0.1A
Cable： Ø6-12mm
Single Wire Diameter： Ø0.5-1.78mm
Cable Fix： PG13.5/M20
Measure Cycle： 1.5second
Crust Material： ABS
Sensor Material： ABS/PVC/PTFE
Protection rating： IP67

Sigma 6000-W series

Wall-Mounted Partially Filled Pipe & Open Channel Flowmeter

Sigma 6000-W series is used to measure water velocity, depth, pressure temperature and conductivity of water flowing in rivers, streams, open channels and pipes.
20 coordinate points to describe the river’s shape of cross section.
One instrument can measure the velocity, depth and conductivity at same time.
Velocity Range : 0.02mm/s to 10m/s bi-directional, accuracy is 1%.
Depth Range: 0 to 10m
Measure velocity in both forward flow and back flow.
Depth is measured by both the pressure sensor and ultrasonic level sensor principles.
With coordinate correction and pressure compensation function.
IP68 Epoxy-sealed body design, long time under water.
RS485/MODBUS output, can contact computer directly.

Specifications:

Power supply:
Control unit：220VAC&24VDC；Sensor:12VDC
IP rating: Control unit: IP66，Sensor: IP68
Operating temperature: 0℃ ~+60℃ water temperature
Control unit display: 4.5” color LCD
Control unit output: 4-20mA， RS485( Modbus-RTU)，Data logger，GPRS
Sensor size: 135mm x 50mm x 20mm (L x W x H)
Applications: Partially Filled Pipe:200-10000mm; Open Channel: 200-10000mm
Flow calculation: Velocity Totalizer Pipe, Channel type Partially filled pipe, Open Channel and River, Stream
Sensor material: Epoxy-sealed body, Marine Grade 316 Stainless Steel Mounting Bracket
Sensor weight: 1kg with 15m of cable, it can extend o 100m
Velocity range: 20mm/s-0.8m/s; 20mm/s-1.6m/s; 20mm/s-3.2m/s (default); 20mm/s- 6.4m/s; 20mm/s-13.2m/s
Bidirectional velocity capability
Velocity accuracy: ±1% typical
Velocity resolution: 1mm/s
Depth range: Ultrasonic Sensor: 20mm up to 5m above top surface
40mm up to 5m from base
Temperature resolution: 0.1°C
Cable: The standard cable is 15m, the maximum option is 100m.
Power usage: 10V to 24VDC, 50µA standby, 100mA/s
SDI-12: SDI-12V 1.3recorder (1200 baud smart instrument channel)

 

RADAR FLOW METERING FOR STREAMS & RIVERS

Measurement principle
Sigma CC-WLSR radar current meter uses the Doppler effect to measure the surface flow velocity of the river. By emitting ISM24GHz electromagnetic waves, irradiating the river surface, the river back scatters the electromagnetic waves to obtain echoes, and measures the Doppler frequency shift of the echoes. river surface velocity. Therefore, during the measurement process, the device cannot be moved at will, and changing the orientation of the device will affect the measurement results.
When the flow rate of the river is too low, the water surface is relatively calm, then according to the principle of electromagnetic scattering, the back scattering of electromagnetic waves by the water surface is very weak, and the speed at this time can not be measured. At this time, the
surface flow meter will upload 0 speed to indicate the current working state. Therefore, radar tachometers are not suitable for measuring very calm fluid surfaces.

Features
• Non- contact, safe and low loss, less maintenance, not affected by sediment
• Capable of measuring under high flow velocity conditions during flood period
• With anti-reverse, over-voltage protection functionality
• The system power consumption is low, and the general solar power supply can meet the current measurement needs
•A variety of interface methods, both digital interface and analog interface, compatible with standards
• Modbus-RTU protocol is convenient to access the system
•It can be independently connected with the current urban water regime, sewage and environmental automatic monitoring and reporting system
• Wide range of speed measurement, effective measurement distance up to 40m
• Multiple trigger modes: cycle, manual, automatic
• Easy installation
• Fully waterproof design, suitable for outdoor use

Technical Characteristics
Power Supply: 12VDC
Signal output: RS485
Frequency: 24GHz
Range: 0.15~15m/s or 0.15~20m/s
Accuracy: ±0.01m/s；±1%FS
Resolution: 0.01m/s
Antenna beam angle: 20*12°
IP rating: IP67
Size: 125*120*60mm
Support size: 130*120*130mm
Cable length: 10m std
Housing material: S/S 304