Water lever transmitter LT7000B | Ohkura Viet Nam

Measuring range:

0-3m to 0-150m (Refer to the model code.)

Transmission system: 2-wire transmission system

Transmission output: 4 to 20mADC

Power supply:

DC drive ; 12 to 26VDC

AC drive ;

Power voltage (rated) 100 ~ 240V AC

Power voltage 85 ~ 264V AC

Frequency (rated) 50/60Hz

Frequency 47 ~ 65Hz

Power consumption:

DC drive; 0.5W

AC drive; 3VA

Load resistance: Max. 600Ω, at 24VDC

Temperature range:

Indicator

Temperature compensating range;

-15 to 50°C

Operating temperature range;

-30 to 80°C

Detector (at non-frozen range)

Temperature compensating range;

0 to 30°C

Operating temperature range;

-10 to 80°C

Lightning protector:

Indicator

Built-in lightning protector on transmission line

Built-in lightning protector on AC power line

Detector

Built-in lightning protector on detector

transmission line (option)

Cold district measures:

The detector with well-drained structure is

available.

Functional specifications

y Performance specifications

Transmission accuracy: ± 0.1% of span

(The output calibration is performed on the

condition that the water density is 1.)

Indication accuracy:

Class 1.0 (Indicator specification)

Water pressure resistant:

150% of span (Detector specification)

Response time: About 1.5s at 99% response

Temperature effects (typical):

Indicator

0.35% of span/-15 to 50°C

Detector

Zero effect; ± 0.015%/°C

Span effect; ± 0.015%/°C

Excepting;

For 0-4m range

 Zero effect; ± 0.025%/°C

 Span effect; ± 0.025%/°C

For 0-3m range

 Zero effect; ± 0.03%/°C

 Span effect; ± 0.03%/°C

Long term stability: ± 0.2% of span/year

Resolution: 10-4 (0.01% of span)

Mounting Position Effect: 15mm

(Detector specification)

Insulation resistance: 100MΩ at 50VDC

(Performance on the condition that lightning

protectors are dismount .)

y Structural specifications

Indicator

Structure: Rain-proof structure (JIS C0920)

Sun hood as standard equipment

Meter: Ø100 wide-angle analog meter

 (Class 1.0)

Cable inlet: G3/4

Mounting (option):

2B pipe mounting, wall mounting or

flange mounting

Recommended transmission cable:

2-core shielded twisted cable

(Outer diameter; 9.6 to 10.6mm)

Case material:

Aluminum casting

(Coating color; Munsell N4)

Weight: About 3.7kg

Detector

Outer diameter: Ø20mm

Mass: About 150g (excepting cable)

Material:

Case; SUS316

Pressure-sensitive portion; SUS316L

Sealed material: Fluorine rubber

Detector cable

Structure:

Water-resistant cable with vent tube inside

Outer diameter: About Ø9mm

Material: Polyethylene

Mass: About 80g/m

Cable length: Specified range + 5m

Option Lightning protector for detector

 Mounting bracket assembly

 (For 2B pipe or wall mounting)

 Mounting flange assembly

 Anchor

 (Weight for fixing the detector)

 Cable clamp (For 2B pipe)