«Control unit to hard conditions»

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MQI 99-S: example of system with control unit mounted into switchboard doors and separate flanged sensor

MQI 99-S: example of system with control unit mounted on the wall and separate special sensor

MQI 99-S: example of system with control unit mounted on external console and separate flanged sensor

Merits

  • flexibly adapts to any mounting situation
  • quick and easy change from compact to separate modification
  • powerful converter for many applications
  • robust and resistant cover of sensor and converter

Field of application

  • water service
  • engineering
  • energetics
  • food industry
  • agriculture

Technical data of control unit

  MQI 99-C
Electric conductivity of medium ≥5 µS/cm, for demineralized water ≥20 µS/cm
Input resistance ≥10·10 Ohms
Accuracy of measurement 0,3 % of measured value in range of 10 ÷ 100 % Qmax
Filtration of measurement adjustable in multiple modes
Elimination of small flows adjustable by 0,1 %
Direction of flows Bi-directional measuring indicated by the sign
Zero flow automatic zero point setting
Data recording flow volume archiving, even during power supply failure
Statistics 5 minutes - hourly - daily - monthly for 4 months
Real time clock with calendar inc. leap years until 2099
Values displaying alphanumeric LCD, 2 × 16 characters, with backlight
Control keypad with four buttons
Programmable functions detection of empty pipe
Analog output (active) galvanically separated 4 (0) ÷ 20 mA, (0 ÷ 30 mA) / 300 Ohms
Impulse output (1× relay) flow volume (x·m³) per impulse
Binary output (3× relay) to order (non-inductive load) 30 V/2 A/DC^125 V/0,5 A/AC
Frequency output (open collector) to order nominal rating of 1 kHz/TTL
Communication output (data) to order RS 232 C / RS 485, selectable speed, protocol ELA
Power supply 85 - 260 VAC 50 / 60 Hz, 24 VDC, to order 9 - 36 VDC +10% / -15%, 10 VA
Enclosure IP 67 (NEMA 5)
Ambient temperature −20 °C to +50 °C
Dimensions (height × width × depth) ∅115 × - × 180 mm
Material of case casting ALSi10Mg/EN AC-47100, surface finish STANDARD-Elox DIN 17611 EO, E6/EV1-natural color
Weight 2,6 kg
Cable terminals 3 pcs PG 11

Possible color variants of control unit

STANDARD

to order

to order

practical assembly

basic dimensions

basic dimensions


Technical data of flange sensors

Flange sensor variants design 1 design 2 design 3
Control principle DC pulse
Connecting cable standard 8 m, to order of 16, 24, 32, 40, 48 m, cable can not be extended without consultation with producer
Construction completely welded carbon steel
Inner diameter DN 10 ÷ 1000
Mounting connection flange DIN, ANSI, BS
Enclosure IP 67 / NEMA 5 (IP 68 / NEMA 6)
Measuring tube material stainless steel
Sensor cover material carbon (stainless) steel, surface finish STANDARD-komaxit RAL 3200
Flange material carbon (stainless) steel
Ground rings DN 10 ÷ DN 40 to order for installation in plastic pipe
Sensing electrode material stainless steel (titanium, hastelloy, platinum)
Lining material hard rubber soft rubber teflon PTFE
Maximum temperature of medium * 90 °C 90 °C 130 °C
Standard pressure load
Pressure range **
1,6 MPa
0,6 / 1,0 / 2,5 / 4,0 MPa
1,6 MPa
0,6 / 1,0 / 2,5 / 4,0 MPa
1,6 MPa
0,6 / 1,0 / 2,5 MPa

* Maximum temperature of measured medium consult with producer
** Construction of sensor and type of flange depends on the maximum desired pressure of medium

Possible color variants of flange sensors

STANDARD

to order

to order

ČOV Bzenec

practical assembly


Technical data of special sensors

Special sensor variants design 1 design 2 design 3
Control principle DC pulse
Connecting cable standard 8 m, to order of 16, 24, 32, 40, 48 m, cable can not be extended without consultation with producer
Construction completely welded carbon steel
Inner diameter DN 10 ÷ 1000
Mounting connection to order special connection , without flange
Enclosure IP 67 / NEMA 5 (IP 68 / NEMA 6)
Measuring tube material stainless steel
Sensor cover material carbon (stainless) steel
Flange material to order
Ground rings DN 10 ÷ DN 40 to order for installation in plastic pipe
Sensing electrode material stainless steel (titanium, hastelloy, platinum)
Lining material hard rubber soft rubber teflon PTFE
Maximum temperature of medium * 90 °C 90 °C 130 °C
Standard pressure load
Pressure range **
1,0 MPa
0,6 / 1,0 MPa
1,0 MPa
0,6 / 1,0 / MPa
1,0 MPa
0,6 / 1,0 MPa

* Maximum temperature of measured medium consult with producer
** Construction of sensor and type of flange depends on the maximum desired pressure of medium

Possible color variants of special sensors

STANDARD

to order

to order

ČOV Bzenec

practical assembly