Crouzet 84870211, 84870212, 84870213, 84870214 Data Sheet

Level control

➜ ENRM

■ Adjusting one or two levels (min./max.)

■ Monitoring filling (UP) or emptying (DOWN) selected

by a switch on the front panel.

■ Probes supplied with AC current.

■ Sensitivity adjustable on front panel from 250 Ω to 1 M

Ω.

■ Time delay preventing wave effect adjustable from 0.1

to 5s.

Specifications

Type Characteristics Voltages Code

ENRM Monitoring filling UP

Monitoring emptying DOWN

General characteristics

Operating range 0.85 ➞1.10 x U n
Maximum power consumption 3 VA
Adjustable sensitivity 250 Ω ➞1 MΩ
Measurement accuracy (at maximum sen sitivity) ± 30 %
Electrode voltage (max) 24 V AC (50/60 Hz)
Electrode current (maximum) 1 mA (50/60 Hz)
Maximum cable capacity 10 nF
Response time high level 300 ms
Response time low level 500 ms
Output relay (according to AC1 resistive load) 1 AgNi changeover relay 8 A AC max.
Galvanic isolation via transformer (4 kV, 8 mm creepage distance) Class II VDE 0551
Isolation of contacts and electrodes from power suppl y 2.5 kV AC
Operating temperature range (°C) -20 ➞+50°C
Storage temperature range (°C) -40 ➞+70°C
Weight (g) 150

24 V AC 84 870 211
48 V AC 84 870 212
120 V AC 84 870 213
230 V AC 84 870 214

Dimensions

ENRM

32

3,5

57

63

95

22,5

A1 15 Y1

78

18 16 A2

5

Products and specifications subject to change without notice.

Order/Technical Support – Tel: [phone] / FAX: [phone] / www.crouzet-usa.com

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Connections

Adjusting two levels
Monitoring filling "Up"

R
S
T

N

14

A1

S

11

11

12

Min

12 A2

C

14

Max

Monitoring emptying "Down"

R
S
T

N

S

A1

11

11

14

12 A2

C

14 12

Max

2

3

MP

Common

B

Off

C

On

D

Output

E

A1-A2 : power supply

Max.

Min.

2

Max.

1

4

MP

Common

B

Off

C

Output

D

1

3

A1-A2 : power supply

Products and specifications subject to change without notice.

Order/Technical Support – Tel: [phone] / FAX: [phone] / www.crouzet-usa.com

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