Lưu lượng kế kênh hở siêu âm

The host Type

ULFM (host)

Power supply

DC24V (±5%) 0.2A; AC220V (±20%) 0.1A

Display

2 lines 14 digit backlit LCD

The instantaneous flow rate range

0.0000~99999L/S or m3/h

The maximum of cumulative flow

9999999.9 m3/h

Accuracy of change in level

1mm or 0.2% of measured distance from the probe at still water. (whichever is greater)

Resolution

1mm

Analogue output

4-20mA into 500 Ohms, corresponding to instantaneous flow rate.

Relays outputs

6 multi-function SPDT relays at most（optional）, rated 5A /250VAC/30VDC, high, low and failsafe alarm and control corresponding to instantaneous flow rate or level.

Serial communication

RS485, MODBUS-RTU standard protocol

Ambient temperature

-40℃~70℃

Temperature compensation

Integral in probe

Pressure range

±0.1MP (press definitely)

Measure cycle

1 second (changeable )

Parameter setting

3 induction buttons / remote control

Cable gland

PG9 /PG11/ PG13.5

Material

ABS

Protect grade

IP67

Fix

Hang

Dimensions

248H*184W*122D(mm)

The probe Type

LB-4 (probe)

Open channel flow meter range

0.00-4.00m

Blind zone

0.20m

Ambient temperature

-40℃~70℃

Temperature compensation

Integral in probe

Pressure range

0.2MPa

Beam angle

10 (3db)

Cable length

10m standard (can be extended to 1000m)

Material

ABS, PVC or PTFE (optional)

Protect grade

IP68

Fix

Screw (G2) or flange (DN65/DN80/etc.)

HLFM

Power Supply

A

AC220V(±5%)

D

DC24V(±20%)

O

Others

Weir and flume Standard

I

ISO Standard

C

National Standard

Output

O

No output

1

4-20mA output

Communication

C0

No Communication

C1

RS485 Communication

Relay

R0

No

Rx

“x” represents the number of relays , max 6

Cable Length

L10

Standard 10 meters

Lx

“x” is the length, max 1000m

Protection Box for host

0

With protection box

1

Without protection box