คอนแทคเตอร์,เบรกเกอร์,เซ็นเซอร์,ตัวเข้ารหัส,บมจ,ตัวแปลง
การวางตำแหน่งผลิตภัณฑ์: Industrial handheld infrared thermometer combining infrared and K-type thermocouple. Designed for long-distance high-temperature measurement, widely used in power, โลหะวิทยา, cement and petrochemical industries.
ข้อมูลจำเพาะที่สำคัญ
Infrared Temperature Range: -30 ℃~ 900 ℃
Distance-to-Spot Ratio (ดี:ส): 60:1 (90% พลังงาน), minimum spot diameter φ19 mm, dual-laser targeting
Infrared Accuracy (at 23℃ ambient):
≥0℃: ±1℃ or ±1% of reading, whichever is greater
-10 ~ 0℃: ±2℃
＜-10℃: ±3℃
อินพุตเทอร์โมคัปเปิลชนิด K (contact temperature measurement): -270 ℃~ 1372 ℃
Emissivity: 0.10 ~ 1.00 ปรับได้ (0.01 step), built-in material emissivity lookup table
เวลาตอบสนอง: <500นางสาว (95%)
Spectral Band: 8~14 μm
การจัดเก็บข้อมูล: ขึ้นไป 99 บันทึก, USB export supported
แสดง: MAX/MIN/AVG/DIF, high/low temperature audible & สัญญาณเตือนภาพ, adjustable backlight
พาวเวอร์ซัพพลาย: 2×AA batteries; น้ำหนักสุทธิ: 322ก
คุณสมบัติหลัก
- Dual-Laser Targeting: Offset dual lasers mark the measurement area for precise targeting of small objects from long distances
- Dual Measurement Mode: Non-contact infrared + K-type thermocouple contact measurement, balancing operational safety and accuracy verification
- Industrial Robustness: Ergonomic anti-slip housing, intuitive menu, การสนับสนุนหลายภาษา
- Alarm Function: Audible and visual alert on temperature threshold violation, suitable for inspection and predictive maintenance of equipment
การใช้งานทั่วไป
อุตสาหกรรมพลังงาน: Switchgear, บัสบาร์, หม้อแปลงไฟฟ้า, cable joints temperature inspection
โลหะวิทยา / Heat treatment: Furnace body, rolls, casting surface temperature
ปูนซีเมนต์, กระจก, ปิโตรเคมี: Kiln, pipeline, reactor surface temperature measurement
Machinery industry: มอเตอร์, bearing and high-temperature equipment inspection
เนื้อหาแพ็คเกจมาตรฐาน
ฟลุค 572-2 หน่วยหลัก
K-type bead thermocouple probe
สายยูเอสบี
2 AA batteries
User manual and certificate of conformity
Comparison with Related Models
ฟลุค 572-2: 60:1 อัตราส่วน, max infrared temp 900℃, with K-type thermocouple and data storage
ฟลุค 568: 50:1 อัตราส่วน, max infrared temp 800℃
ฟลุค 62 MAX+: 12:1 อัตราส่วน, max temp 650℃, entry-level industrial model
การคัดเลือก & หมายเหตุการดำเนินงาน
- ดี:S=60:1: The spot size increases with measurement distance; shorten distance when measuring small targets
- Polished metallic surfaces have low emissivity and may cause large measurement error. High-temperature tape is recommended to raise emissivity
- Infrared measures surface temperature only; K-type thermocouple is used for contact temperature comparison
- Not suitable for measurement through glass or transparent plastics (infrared radiation will be blocked)
ฟลุค 572-2 รายการตรวจสอบการแก้ไขปัญหา
Recommended troubleshooting sequence: Power supply → Lens / Optical path → Parameter setting → Ambient condition → Hardware / Error code; Do NOT disassemble the unit. Disassembly of internal laser and sensor will void calibration and warranty.
- Power Supply Faults
| อาการ | สาเหตุที่แท้จริง | การเยียวยา |
| Blank screen, no response when trigger is pulled | Sleep mode / แบตเตอรี่หมด / กลับขั้ว | 1. Pull trigger to wake up; 2. Replace with new AA alkaline batteries, verify polarity; 3. Inspect battery contacts for oxidation or electrolyte corrosion |
| Low battery icon displayed, unstable readings | Insufficient battery voltage | Replace batteries immediately; Accuracy is unreliable under low power, discontinue inspection |
| Emissivity, time and stored data lost after battery replacement | Battery removal exceeds 1 นาที, mainboard power reset | Replace battery promptly upon low power alert; Complete battery swap within 1 นาที; Reconfigure parameters afterwards |
- แสดง & Error Codes
| อาการ | สาเหตุที่แท้จริง | การเยียวยา |
| — shown on screen | Target temperature out of range (＜-30℃ or＞900℃) | Confirm target temperature is within measuring range; Infrared max 900℃, K-type thermocouple max 1372℃ |
| EEPROMErr / CalAreaErr / ProbCalEr | Damaged internal storage / calibration data | No on-site repair possible. Stop operation and send to Fluke authorized service center |
| Alarm light flashes with buzzer sound | สูง / low temperature alarm triggered | Enter menu to check threshold, modify or disable alarm as required |
III. Laser Targeting Faults
| อาการ | สาเหตุที่แท้จริง | การเยียวยา |
| Valid infrared reading but dual laser does not turn on | Low battery; Ambient temp＞40℃; Laser disabled in menu | 1. Replace battery; 2. Move to location with ambient temp ≤40℃; 3. Enable laser in menu |
| Blurred or offset laser spot | Dirty or scratched lens | Clean lens; Replace lens assembly if scratched |
- Inaccurate / Drifting Readings (Most Common Fault)
Distinguish first: Infrared reading error VS K-type thermocouple probe error
Inaccurate Infrared Readings
- Wrong emissivity setting: Polished metal has low emissivity leading to high reading; Non-metal has high emissivity. Adjust emissivity from 0.10~1.00; Apply high-temperature tape for shiny metal (emissivity≈0.95)
- Field-of-view spot issue: ดี:S=60:1. Too long distance results in spot larger than workpiece and captures surrounding hot/cold objects. Shorten distance and ensure full spot coverage on target surface
- Lens contamination: ฝุ่น, น้ำมัน, moisture attenuate infrared signal
✅ Cleaning procedure: Blow with compressed air → Brush gently with camel hair brush → Wipe with cotton swab moistened with pure water; Do NOT use alcohol, acetone or other solvents, which will damage infrared lens
- Ambient interference: Hot air stream, ไอน้ำ, smoke, กระจก / transparent plastic blocking optical path; การรบกวนทางแม่เหล็กไฟฟ้าที่รุนแรง (welding machine, เครื่องทำความร้อนเหนี่ยวนำ); water film or oxide scale on target surface
- Thermal shock: Sensor unstable when moved from drastically different temperature environment. Let instrument stabilize ≥30 minutes on site before measurement
- Reflected heat from surrounding hot sources causes falsely high reading: Adjust measurement angle to avoid hot background reflection
No Reading / Abnormal Reading on K-type Thermocouple Channel
- Loose or oxidized probe connector; ลวดหัก
✅ Remedy: Re-seat connector; Cross-test with 80PK series K-type probe to identify fault on probe or instrument jack
- Wrong thermocouple type selected: Unit only accepts K-type. S/T/J type probes cannot read correctly
- Cold junction compensation anomaly: Large temperature difference at probe terminal
- USB Communication & Data Export Faults
| อาการ | สาเหตุที่แท้จริง | การเยียวยา |
| PC fails to recognize instrument and export records | Instrument not powered on; FlukeView Forms software not running; Damaged USB cable | 1. Hold trigger to keep unit powered; 2. Launch FlukeView Forms software; 3. Replace USB cable for test; 4. Check PC USB port |
| Stored data lost | Battery depleted for long time; Battery replacement timeout | Export records regularly; Replace battery at low power prompt |
- เครื่องกล & Appearance Faults
- Sticky trigger: Dust accumulated in trigger gap, clean with dry brush, Do NOT apply lubricant
- ที่อยู่อาศัยแตกร้าว: Damage from drop impact. Crack does not affect temperature reading but reduces ingress protection, keep away from moisture
- Lens scratch: Scratch introduces measurement error, return to factory for lens replacement and recalibration
ปกเกล้าเจ้าอยู่หัว. Fault Judgment & Service Standard (When to Stop Using)
✅ On-site repairable: Battery replacement, lens cleaning, parameter reset, probe cross-verification
❌ Must send to official service, no disassembly allowed:
- EEPROM or calibration related error codes
- Cracked lens, internal water condensation
- Persistent reading deviation after drop impact, cannot be corrected by lens / emissivity adjustment
- Battery leakage corroding mainboard contacts
8. Quick On-Site Self-Check Procedure
- Install new batteries and stabilize for 30 min under ambient condition
- Clean lens, restore factory menu setting, set emissivity to 0.95
- Measure warm water (ประมาณ. 80~90℃) in infrared mode, connect K-type thermocouple for contact comparison; Deviation shall stay within specified accuracy
- Verify laser, high/low alarm, backlight and trigger hold function
- Test USB connection and data read/write
ฟลุค 570 ชุด (572 Family) รายการรุ่น
Consists of Legacy 570 ชุด (ยกเลิก) and Currently available 572-2. ฟลุค 570 series is industrial high-precision long-distance infrared thermometer with K-type thermocouple input.
- Legacy 570 ชุด (ยกเลิก, available in spare / second-hand market)
| แบบอย่าง | การกำหนดค่าคีย์ | ความแตกต่างที่สำคัญ |
| ฟลุค 572 (มรดก, no -2 คำต่อท้าย) | -30~900℃, ดี:S=60:1, 3-point laser targeting, อินพุตเทอร์โมคัปเปิลชนิด K, RS232 interface | Old version with serial port, no USB, ยกเลิกแล้ว |
| ฟลุค 574 | -30~900℃, ดี:S=60:1, 3-point laser, RS232, การบันทึกข้อมูล, optional close-focus 50:1 จุดเล็ก ๆ | Enhanced data logging vs 572; 574-NI: version without infrared calibration certificate |
| ฟลุค 576 | -30~900℃, ดี:S=60:1, built-in digital camera for image archive, ยูเอสบี, 3-point laser | Top-tier model with image capture, long discontinued |
- Current Active Model: ฟลุค 572-2 (Replaces legacy 572)
Your target model, current main production unit
การวัดอุณหภูมิ: อินฟราเรด -30 ~ 900℃; K-type thermocouple -270 ~ 1372℃
ดี:S=60:1, dual-laser targeting; 99 local storage records, ส่งออกยูเอสบี
Dual mode (infrared + contact thermocouple), ได้ยิน & visual high/low temperature alarm
อุตสาหกรรม: พลัง, โลหะวิทยา, ปิโตรเคมี, cement high-temperature inspection
III. Related Dual-Mode Infrared Thermometers (Commonly compared with 572-2 for selection)
Not part of 570 ชุด, but Fluke handheld infrared + K-type thermocouple models frequently referenced in project selection
|แบบอย่าง|Infrared Range|ดี:ส|คุณสมบัติ|
|—|—|—|—|
|ฟลุค 568|-30~800℃|50:1|Dual mode, lower spec alternative to 572-2 with lower max temperature|
|ฟลุค 568 อดีต|-30~800℃|50:1|Intrinsically safe explosion-proof version for hazardous oil & gas area|
|ฟลุค 561|-40~550℃|12:1|HVAC dedicated entry-level dual mode unit|
- Infrared-only Models (No thermocouple, reference for category comparison, not in 570 ชุด)
ฟลุค 62 MAX / 62 MAX+: -30~650℃, ดี:S=12:1, IP54, 3m drop resistance
ฟลุค 64 MAX: -30~600℃, ดี:S=20:1
- Model Version Remarks
- 572-2 has no sub-models, only standard main unit. Variants come from accessory kits: Optional carrying case, extended thermocouple probe, tripod
- Legacy 572/574/576 permanently discontinued. Only surplus stock, refurbished or second-hand units available; calibration and spare parts are difficult to source. เลือก 572-2 for new projects
- Key distinction: Legacy models use 3-point laser; ใหม่ 572-2 uses dual laser targeting system
