CẢM BIẾN ÁP SUẤT WIKA MH-3

Applications
Load monitoring
Load moment limitation
Hydraulic drive control
Pressure monitoring of hydrogen (model MH-3-HY)
Special features
For extreme operating conditions
Compact and robust design
Diagnostic function (option)
Signal clamping (option)
Customer-specific adaptations possible

Specifications

Accuracy specifications

Non-linearity per IEC 61298-2

Measuring ranges ≥ 40 bar [≥ 500 psi] ≤ ±0.25 % of span

Measuring ranges < 40 bar [< 500 psi] ≤ ±0.4 % of span

Accuracy

→ See “Max. measured error per IEC 61298-2”

Max. measured error per IEC 61298-2

Measuring ranges ≥ 40 bar [≥ 500 psi] ≤ ±1 % of span

Measuring ranges < 40 bar [< 500 psi] ≤ ±2 % of span

Medium temperature coefficient at -40 ... +100 °C [-40 ... +212 °F]

Zero point

Measuring ranges ≥ 40 bar [≥ 500 psi] ≤ ±0.15 % of span/10 K

Measuring ranges < 40 bar [< 500 psi] On request

Span ≤ ±0.08 % of span/10 K

Long-term stability per DIN 16086

Model MH-3

Measuring ranges ≥ 40 bar [≥ 500 psi] ≤ ±0.2 % of span/year

Measuring ranges < 40 bar [< 500 psi] ≤ ±0.3 % of span/year

Model MH-3-HY

 Medium temperature range -40 ... +30 °C [-40 ... +86 °F]:

≤ ±1 % of span/year (typical)

≤ ±3 % of span/year (maximum)

Reference conditions

Per IEC 61298-1

Signal type

Model MH-3

Current (2-wire)

 4 ... 20 mA

Voltage (3-wire)

DC 0 ... 10 V

DC 1 ... 5 V

DC 1 ... 6 V

Ratiometric (3-wire)

DC 0.5 ... 4.5 V

Model MH-3-HY

Current (2-wire)

4 ... 20 mA

Ratiometric (3-wire)

DC 0.5 ... 4.5 V

Load in Ω

Output signal 4 ... 20 mA ≤ (supply voltage - 10 V) / 0.02 A

Output signal DC 0 ... 10 V > 5 kΩ

Output signal DC 1 ... 5 V > 2.5 kΩ

Output signal DC 1 ... 6 V > 5 kΩ

Output signal DC 0.5 ... 4.5 V, ratiometric > 4.5 kΩ

Signal clamping

Yes

Diagnostic function

Yes

Voltage supply

Supply voltage

Output signal 4 ... 20 mA DC 10 ... 36 V

Output signal DC 0 ... 10 V DC 14 ... 36 V

Output signal DC 1 ... 5 V DC 8 ... 36 V

Output signal DC 1 ... 6 V DC 9 ... 36 V

Output signal DC 0.5 ... 4.5 V, ratiometric DC 4.5 ... 5.5 V

Current supply

Output signal 4 ... 20 mA < 30 mA

Output signal DC 0 ... 10 V < 10 mA

Output signal DC 1 ... 5 V < 10 mA

Output signal DC 1 ... 6 V < 10 mA

Output signal DC 0.5 ... 4.5 V, ratiometric < 10 mA

Dynamic behaviour

Settling time per IEC 61298-2

≤ 2 ms