AS8-U-230 in stock can be shipped on the same day

AS8-U-230Spot goods can be shipped on the same day

AS8-U-230 is a matching product under KRACHT in GermanyKRACHT flowmeterThe secondary instrument used. His main function is to convert the pulse signal of the flowmeter into numerical values and display them directly on the instrument, making it very convenient to observe the size of liquid flow at any time.

The regular models include:

AS8-I-230

AS8-U-230

AS8-I-24

AS8-U-24

AS8-U-230Main electrical performance parameters
Normal working conditions:
1. Power supply: default value 220V ± 10% 50HZ ± 5%; Power consumption of approximately 5W (high reliability TM power supply)
(Switching power supply type 90-260V 50-60HZ power consumption of about 5W)
Customization of power supply specifications such as AC380V and DC24V is available
2. Environmental temperature: 0-50 ℃
3. Environmental humidity: ≤ 85% RH
4. Atmospheric conditions: In environments without corrosive gases or dust
5. External magnetic field: ≤ 400A/m
Parameters related to measurement
1. Digital instrument display codes: 0-99, -199 to 999, -1999 to 1999, -1999.9 to 399.9, -1999.9 to 999.9, -150.00 to 399.99, -10.000 to 499.999, etc. are optional
2. Basic errors of digital instruments: ≤± (1% F.S+1d), ≤± (0.05% F.S+1d)
Optional options include ≤± (0.2% F.S+1d) and ≤± (0.05% F.S+2d)
3. Basic error of magneto electric instruments: ≤± 1.5% F.S, ≤± 2.5% F.S optional
4. 24-hour drift of indication: ≤± (0.3 x basic error limit)
5. Effects of input serial mode interference: ≤± 0.5 × basic error
6. Effects of input common mode interference: ≤± 0.5 × basic error
7 . Temperature coefficient: ≤ (0.05 x basic error limit)/℃ when deviating from 20 ℃± 2 ℃ within the range of 0 ℃ to 50 ℃
8. Cold end compensation range of thermocouple: 0 ℃~50 ℃
9. Cold end compensation error of thermocouple: ≤± 1 ℃, ≤± 2 ℃ optional
AS8-U-230Digital Display Instrument
Parameters related to control output
1. Relay electric shock output: AC250V/5A (resistive load) or AC250V/5A (inductive load)
2. Drive thyristor pulse output: phase shifted or zero crossing trigger pulses with amplitude ≥ 3V and width ≥ 40us
3. Drive solid-state relay signal output: Drive current ≥ 15Ma, voltage ≥ 9V
4. Internal thyristor output: 600V/1A (only for thyristor anode triggering)
5. Analog output: 0-10Ma (load ≤ 1K Ω); 4-20Ma (load ≤ 500 Ω)
0-5V (load ≥ 100K Ω); 1-5V (load ≥ 100K Ω)
6. Sound alarm output: intermittent sound with a frequency of 2300Hz, sound pressure of the buzzer is about 80Db/10mm
Parameters related to additional outputs
1. Feed output: DC 5V ± 5%, 12V ± 5%, 24V ± 5% (load current ≤ 30Ma)
2. Transmission of analog signal output:
2.1 Output voltage: DC 0-1V, 0-2V, 0-5V, 1-5V, 0-10V, etc
2.2 Output current: DC 0-10mA, 4-20mA, etc
2.3 Nonlinear calibration error of transmission signal: ≤± 0.2% F.S, ≤± 0.5% F.S, ≤± 1% F.S optional
2.4 Transmission output amplitude error: ≤± 0.2% F.S
Unless otherwise stated, there is no DC isolation between the input signal and the analog signal output from the transmission
3. Communication output: RS-232 or RS-485;
Parameters related to regulation
1. Setpoint deviation: The simulated digital display instrument has a deviation of ≤± 2d
2. Setting error: The instrument set by the dial or dial is ≤± 1% F.S; ≤± 1.5% F.S optional
3. Adjustable range: Instruments with dial or dial settings ≥ 1-100% F.S
Analog processing digital display instrument ≥ 1-100% F.S
Digital processing instrument ≥ 1-100% F.S
4. Return error: The simulated instrument has a basic error of ≤ 0.5; The digital processing instrument can be adjusted between 0.2 and 20
5. Cycle time: Analog time proportional control instrument 40s ± 10s
Digital processing instrument with equal cycle time of 25s ± 5s, driving solid-state relay and thyristor for 2s ± 0.5s
6. Factory parameter setting value of PID regulating instrument: P=5%; I=210s D=30s [2]
Parameters related to alarms
1. Follow up upper limit alarm value: control value+(4%~6% F.S) (default)
2. Follow up lower limit alarm value: Control value - (4%~6% F.S) (default)
3. Range of adjustable alarm values: ≥ 1~100% F.S
4 . Alarm hysteresis: Analog instrument processing ≤ 1.5% F.S; The instrument for digital processing is 1d6
other
1. Data power-off protection time: When using E2PROM for more than ten years, use the built-in battery time manual

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