MOQ 1 -batch control function -manufactured since 1991 -0.2%FS liquid flow sensor
AI-708H batch control instrument liquid flow sensor
measurement for mass length,volume,water flow meter
Main Feature:
-Modularized structure and hardware compatible with other AI series instruments-easy to maintain and quick delivered-Modularized and configurable inputs.-1-5V, 0-5V, 4-20mA or frequency signal;Pt100 RTD, K, E, J type thermocouple-retransmission, high/low alarm of momentary flow,temperature and pressure, signal detecting-8-digits accumulation value and 4-digits momentary process value-4-bit accumulator for control and 12-bit accumulator for total sum individually-0.2%FS output precision-RS485 communication interfaceSpecification:
Control mode | On-off control mode (deadband adjustable)AI MPT with auto tuning, adopting fuzzy logic PID algorithm. |
Measurement accuracy | 0.2%FS ± 0.1°C |
Resolution | 0.1°C |
Temperature drift | ≤0.01%FS /°C (typical value is 50ppm/°C) |
Response time | ≤0.3s ( when digital filter parameter dL=0) |
Input | Thermocouple: K, S, R, T, E, J, N, WRe3-WRe25, WRe5-WRe26 |
Resistance temperature detector: Cu50, Pt100 | |
Linear voltage: 0~5V, 1~5V, 0~1V, 0~100mV, 0~60mV, 0~20mV, etc.; 0~10V if module I31 is installed on MIO socket. | |
Linear current (external connect to precise shunt resist or install I4 module on MIO): 0~20mA, 4~20mA, etc. | |
Linear resistance : 0~80ohm, 0~400ohm. | |
Optional: apart from the above-mentioned Input type, an additional type can be provided upon request.(Graduation index is needed) | |
Input range | Thermocouple: K(-100~1300°C), S(0~1700°C), R(0~1700°C), T(-200~+390°C), E(0~1000°C), J(0~1200°C),B(600~1800°C), N(0~1300°C), WRe3-WRe25(0~2300°C), WRe5-WRe26(0~2300°C) |
Resistance temperature detector:Cu50(-50~+150°C), Pt100(-200~+800°C) | |
Linear Input: -9990~30000 defined by user. | |
Output (modularized) | Relay output (NO+NC): 250VAC/2A or 30VDC/1A |
TRIAC no contact discrete output (NO or NC): 100 ~240VAC/0.2A (continuous), 2A (20mS instantaneous, repeat period≥5s) | |
SSR Voltage output: 12VDC/30mA (used to drive SSR) | |
Thyristor zero crossing trigger output: can trigger TRIAC of 5~500A, a pair of inverse paralleled SCRs or SCR power module | |
Linear current output: 0~20mA, 4~20mA (The output voltage of X module ≥10.5V; and that of X3 module ≥10.5V.) | |
General specifications | Voltage: support AC85-265V,50/60Hz or DC24V. |
Power consumption: ≤5W or ≤0.8W if no alarm and output | |
Isolation withstanding voltage : between power, relay contact or signal terminal ≥2300VDC; between isolated electroweak terminals ≥600VDC | |
Electromagnetic compatibility (EMC) : ±4KV/5KHz according to IEC61000-4-4; 4KV according to IEC61000-4-5. | |
Operating Ambient : temperature -10~60°C; humidity ≤90%RH |
liquid flow sensor