Pixsys STR551 Universal Indicator
Pixsys STR551 Universal Indicator
Pixsys STR551 Universal Indicator

Pixsys STR551 Universal Indicator

Pixsys STR551 universal indicating panel meter

Last items in stock

Indicator STR551 is designed to acquire and re-transmit process signals. The analogue input can be configured by parameter for a wide range of temperature sensors and process signals in mA and Volts. The monochromatic OLED  graphic display supports graphs showing process trend with programmable sampling times and bar graphs with alarm thresholds for level, flow and dosage visualization.

The linearization of input can be customized up to 16 points as required on tanks with irregular profile. Mathematical functions linked to process value are also available, such as Totalizer and Sum. Connectivity is guaranteed by RS485 with Modbus RTU/Slave protocol.

For maximum flexibility of use, it is also possible to choose between horizontal or vertical installation.

Distinctive feature of the entire STR series is the innovative multilingual interface, with text menus allowing intuitive and quick navigation of parameters and display pages. It is possible to choose among five languages and the comprehensive menu considerably reduces the need to consult technical manual for initial set-up.

Ordering codes

1 analogue input + 2 relays 2A + 1 Out 0..10V + 1 Out 0/4..20mA + RS485 Modbus RTU /Slave

Main features

96x48 (Front panel) x 48 mm (1/8Din)
Power supply
24...230VAC/DC ±10% 50/60 Hz (galvanic isolation 2500V)
6 VA
OLed (monochromatic yellow)
Operating conditions
Temperature 0-45 °C, humidity 35..95 RH% (non condensing)
Box: Polycarbonate V0
Approx. 165 g
Front panel: IP54 (IP65 with gasket) - Box and Terminal blocks:IP20
Quick set-up options
Software LABSOFTVIEW and/or Memorycard
extractable terminal blocks, spring lock


1 Analogue
Res.16 bit, Selectable for TC type K, S, R, J, T, E, N, B (automatic compensation of the cold junction 0..50 °C, ± 0,2% F.S. ± 1 Digit F.S.), thermoresistances PT100, PT500, PT1000, Ni100, PTC1K, NTC10K (β 3435K), process signals 0-10 V(54000 points), 0/4-20mA(40000 points), 0-60 mV (16000 points), Potentiometer 6 KΩ, 150 KΩ (50000 points) Customizable linear input (max 16 steps)
2 Digital
PNP inputs programmable for Run / Hold / Tare-Zero / Alarms reset/ Peaks reset/ Totalizer reset / Activate-Reset Sum / Parameters-Setpoint Lock
Sampling time
4,1 ms (Frequency from 4,12 Hz to 242 Hz)


2 Relays
2A - 250VAC (resistive charge)
2 Analogue
1 output 0...10V (60000 points) - 1 output 0/4...20mA (60000 points)
1 Auxiliary
24 VDC - 30mA for external sensors supply (loop-powered)
Serial communication
RS485 Modbus RTU - Slave (1200...115200 Baud) galvanically isolated from Power supply/Inputs/Outputs

Software features

Alarms regulation
ON - OFF with hysteresis
Alarm mode
Absolute / Threshold, Band with instantaneous/delayed/retentive/by digital input activation, Sensor failure / Activation by serial line
Sum Function
Sum different process measurements over time By digital input or by keyboard
Totalizer Function
Visualisation of instant process value and total value since last reset
Trend visualization
Trend visualisation with selectable time basis 1 to 3600s
Analogue retransmission
Process values / Setpoints
Digital transmission via RS485
Process values / Setpoint / Parameters
Latch-on function
Semi-automatic setting of limits/ calibration values for analogue input
Text menus
Measure unit visualization
Selection of different measuring units

Country of Origin
Made in Italy
1 Item

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