SI8504 - Flow monitor

Product characteristics

Number of inputs and outputs	Number of digital outputs: 1
Process connection	threaded connection M18 x 1,5 internal thread

Application

Media	Liquids; Gases
Medium temperature [°C]	-25...80
Pressure rating [bar]	300

Liquids

Medium temperature [°C]	-25...80

Gases

Medium temperature [°C]	-25...80

Electrical data

Operating voltage tolerance [%]	-5...10
Operating voltage [V]	85...265 AC
Nominal voltage AC [V]	< 240
Protection class	II
Reverse polarity protection	no
Power-on delay time [s]	10

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 1

Outputs

Total number of outputs	1
Output signal	switching signal
Electrical design	relay
Number of digital outputs	1
Output function	normally open / normally closed; (parameterisable)
Contact rating	3 A (250 V AC / 30 V DC); (number of switching cycles: 20 million mechanically; switching cycles at 3 A load: 100,000 electrical; type of switch-off: normally open)
Short-circuit proof	no
Overload protection	no

Measuring/setting range

Liquids

Setting range [cm/s]	3...300
Greatest sensitivity [cm/s]	3...100

Gases

Setting range [cm/s]	200...3000
Greatest sensitivity [cm/s]	200...800

Accuracy / deviations

Repeatability [cm/s]

1...5

Note on repeatability

for water 5...100 cm/s; 25 °C

Factory setting

Temperature gradient [K/min]

300

Switch point accuracy [cm/s]

± 2...±10; (for water 5...100 cm/s; 25 °C; Factory setting)

Hysteresis [cm/s]

2...5; (for water 5...100 cm/s; 25 °C; Factory setting)

Response times

Response time [s]	1...10

Liquids

Response time [s]	1...10

Gases

Response time [s]	1...10

Software / programming

Adjustment of the switch point	pushbutton

Operating conditions

Ambient temperature [°C]	-25...80
Storage temperature [°C]	-25...100
Protection	IP 67

Tests / approvals

EMC

DIN EN 60947-5-9

Shock resistance

DIN EN 60068-2-27

50 g (11 ms)

Vibration resistance

DIN EN 60068-2-6

20 g (55...2000 Hz)

Mechanical data

Weight [g]	340.194
Housing	cylindrical
Dimensions [mm]	M18 x 1.5 / L = 113
Thread designation	M18 x 1.5
Materials	stainless steel (304/1.4301); PC; PBT-GF20; EPDM/X
Materials (wetted parts)	stainless steel (316L/1.4404); O-ring: FKM 80 Shore A
Process connection	threaded connection M18 x 1,5 internal thread
Probe diameter [mm]	8.2

Displays / operating elements

Display

function

10 x LED, three-colour

Electrical connection

Required protection	miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting

Accessories

Items supplied

Adapter: 1 x 1/2-14NPT, E40107

connector: 1, W70207

Remarks

Recommendation Check the safe functioning of the unit after a short circuit.

Pack quantity

1 pcs.

Electrical connection

Connection	Connector: 1 x 7/8"; coding: A

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SI8504-01 — 30.04.2014 —