Controllers & Temperature Controllers
Product Details · PRODUCT DETAILS
LU-904K Intelligent Molten Steel Measuring & Control Instrument
Intelligent measuring and control instrument with universal input, temperature sensor support and three alarm outputs.
I. Overview
The LU-904K smart molten steel measurement and control instrument is an intelligent, high-accuracy digital indicating instrument, mainly suitable for measuring the high temperature of media such as molten steel. The instrument uses the heating rate of the measured medium to determine the maximum temperature of the medium; when the heating rate falls below the set rate, the instrument stops measuring and holds the highest measured value (normal measurement can be restored by pressing a key), and outputs an alarm signal indicating that the temperature sensor can be withdrawn, thereby increasing the service life of the sensor.
The LU-904K smart molten steel measurement and control instrument uses a universal input and is compatible with thermocouple, RTD, standard current, or standard voltage signals. In addition to the maximum temperature alarm, the LU-904K also provides three alarm outputs, each of which can be freely defined as a high-limit or low-limit alarm, with freely settable alarm values. A bar graph displays the measured value.
| Main Technical Specifications | |||
| Basic error: | ±(0.2%F.S±1) digit | Resolution: | 1,0.1 |
| Special input: | R,WRe526,mV,others | Cold junction compensation error: | ±1°C |
| Broken sensor or over-range: | Display symbol Sb | Sampling period: | 0.5 s |
| Power supply: | 85~264VAC | Power consumption: | 4W |
| Input specifications: K,S,B,T,E,J,Wre325,N,Pt100,Cu50,Cu100,0-10mA,4-20mA,0-5V,1-5V | |||
| Output module specifications | |||
| J1 | Relay output (3A, NO + NC) | J2 | Relay output (0.8A, NO) |
| T | Solid-state relay trigger output | V1 | CV12V/50mA supply module |
| V2 | DC24V/50 mA supply module | V3 | DC5 V/50 mA supply module |
| R | RS232 communication module | S | RS485 communication module |
| I2 | 0-10mA/4-20mA transmitter output | V5 | Voltage transmitter output |
Dimensions and panel cutout (W×H×D) Unit: mm Type A: 96×96×105 Cutout: 92×92 Type B: 48×96×105 Cutout: 45×92 Type C: 96×48×105 Cutout: 92×45 Type D: 160×80×105 Cutout: 152×76 Type E: 80×160×105 Cutout: 76×152 Type F: 72×72×105 Cutout: 68×68
LU-904K Intelligent Molten Steel Measuring & Control Instrument User Manual
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