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เครื่องวัดอัตราการไหลของก๊าซ / ไอน้ำ / ของเหลว
เครื่องวัดอัตราการไหลของก๊าซ / ไอน้ำ / ของเหลว
เครื่องวัดอัตราการไหลของก๊าซ
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เนื้อหา
ATT1000 Series
ATT1000 two-wire input temperature transmitter is a high performance device that receives Thermocouple/RTD/ohm/
mV input and output mA with HART communication protocol.
Three internal keys to set parameter. Zero span calibration can be achieved either by HART or keypad.
FEATURES
● Updating time of output current in 90 ms
● Backlit LCD display rotatable to any angle
● Two years stability of 0.1%
● Accuracy +/-0.1% of Span
● Parameter setting by keypad directly
● 4-20 mA output plus direct digital HART communication
● Automatic zero calibration by press-button
● Explosion proof and weather proof housing
SPECIFICATION
| Inputs: | Display: |
| Universal Input | Backlit LCD rotatable to any angle |
| Thermalcouple | Display Function: |
| T/C (K, S, B, E, J, T, R, N) | 5 Digits programmable & 0-100% Bargraph |
| RTD | Display Unit: |
| CU50 / PT100, 2/3/4 wire | oC / oF / oR / oK |
| mV | Keypad: |
| -128 to +128mV / -1000 to +1000mV | 3 internal keys for programming and |
| Resistance | output setting |
0-600  / 0-5000 | Current Output: |
| Accuracy: | 4 - 20 mA 2 wires with HART Signal |
| +/- 0.1% of span | Load |
| Stability: | Rohm = (Vdc-9) x 50 |
| +/- 0.1% of span for 2 years | Power Supply: |
| Temperature Effect: | 9 ~ 36 VDC |
| +/- 0.1% of span per 10 oC | Digital Communication: |
| CJC compensation: | HART Protocol |
| +/- 0.5 oC | Cable Entry: |
| Simulation Output: | M20 Conduit Threads / 1/2" NPT (Female) |
| 4-20 mA | Damping: |
| Material: | 0 - 32 seconds |
| Wetted Parts | Response Time: |
| SUS304 / SUS316 / Has. C / Tantalum etc | 90 mS |
| Housing | Turn on Time: |
| Low copper cast aluminum alloy with | 2 Seconds with minimum damping |
| polyurethane, light blue paint. | Zero Calibration: |
| Name / Tag Plate | Automatic zero calibration by press-button |
| Stainless Steel 304 / Stainless Steel 316 | Isolation: |
| Process Connection: | Input/Output/GND isolated to 480VDC |
| Threads / Flanges | Power Supply Effect: |
| Over Temp. Limit: | +/-0.005 of Span per V |
| 120% of Full Scale | Weight: |
| Mounting: | 60g (Converter only) with display |
| Direct mounting or bracket on 2" Pipe | 30g (Converter only) without display |
| Humidity Limit: | Protection Class: |
| 0 to 100% Relative Humidity | IP67 (Standard) |
| Ambient Temperature: | Intrinsically Safe EEx ia IIC T5 (Standard) |
| -25 to +85 oC | Explosion proof Ex D IIB T5 |
| Vibration Effect: | Sensor Connection: |
| +/-0.05% of URL per g to 200 Hz in any | M27*2 (Female) |
| axis | |
| EMI / RFI Effect: | |
| Follow SAMA PMC 33.1 from 20 to 1000 | |
| MHz and for field strengths up to 30 V/m |
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