UQS70 pages

Solid State

Solid State Flow Switch

UQS7 Series

Features
Flow and volume flow monitoring
Ultrasonic sensor with digital display
Integrated 4-20 mA analog output
Easy to read LED display
Fully configurable via keypad
2 set points and analog output
Suitable for water-based fluids
IP 65 protection

Applications
OEM applications
Cooling systems
Test systems

General Specifications*
Accuracy:

2.5% f. s.

Linearity Error:

±2.5% f. s. at 77°F (+25°C)

Repeatability:

±0.1% f. s.

Sensor Element:

Ultrasonic sensor

Material:
Wetted Parts:
Housing (electronics):
Seals (media):
Push Buttons:

Brass
Aluminum die-cast
Klingersil®
Polyester
2.6 / 6.6 / 10.5 / 26.4 / 44.9
(10 / 25 / 40 / 100 / 170)

Process connection:

G 3/4, G 1, G 1-1/4, G 2

Electrical Connection:

Plug M 12 x 1, 5-pin

Power Supply:

15-32 VDC, reversed polarity protected

Power Consumption:

Appr. 50 mA (without load)

A/D-Converter:
Scanning Rate:

500 ms (for peak value memory)

Load Influence:
Voltage Output (optional):
Rating (optional):
Adjustment Range:

500 ms
10 bit (1024 steps per measuring span)
4-20 mA
max. Rl = (Ub-12 V) / 20 mA
Rl = 600 Ohm at Ub = 24 VDC
0.3% / 100 Ohms
0 to 10 VDC
max. 10 mA, short circuit-proof
25% to 100% f. s.

Switching output(s):
Switching Function
(adjustable):
Adjustment Range:
Hysteresis:

Normally open/normally closed, standard/windows-mode
0% to 125% f. s.
0% to 125% f. s.

* See product congurator for additional options.

1

0 to 125% f. s.
max. 100 Hz
max. 500 mA, short circuit-proof
0.0 to 9.9 s adjustable
LED(s) green

Digital Display:

4-digit 7-segment LED-display
height 0.5 in., red

Error Display:

LED yellow and alphanumeric display,

Display Rate:

500 mS

Operating Elements:

3 easy response push buttons

Temperature Range:
Electronics:
Storage:

39°F to 266°F
14°F to 158°F
-22°F to 176°F

Temperature Influence:

±0.2% f. s. /10K

Compensation Range:

14°F to 158°F (-10° to +70°C)

Protection Class:

IP65

Dimensions (Housing):

3.9 in. X 4.3 in. (UQS7-10)

Inlet - Outflow Zone:

Measuring ranges:
g/min:
l/min:

Analog Output:
Scanning Rate:
Resolution:
Current Output (standard):
Load:

Switching output(s) Cont.:
Diagnosis Function:
Switching Frequency:
Rating:
Delay:
Status Display(s):

Integrated in the measuring device

Media:

Water and similar media, max. pressure 360
psi (25 bar) (higher pressures on request)

Options:

Electrical plug, adapters

Additional Features:

7-segment LED display, microprocessorcontrolled, self-monitoring with error display.
All parameters are congured by keypad.
Tamper proof, keypad lock, rugged
construction, vibration-proof and shockproof, long term stability, display unit
rotatable in steps of 90°.