The YX360TRF is a classic and best-selling analog multimeter manufactured by SANWA Electric Instrument Co., Ltd., Japan. Designed specifically for low-voltage circuit measurement, it features shock‑resistant construction and is widely used in electronic repair, electrical installation, and equipment maintenance. The meter movement uses a platinum wire suspension structure to improve the elasticity of the moving parts, prevent twisting damage, and significantly extend service life.
- Model Number Breakdown
| Part | 意味 |
| YX360 | Basic series model, representing SANWA’s classic analog multimeter line |
| TR | Technologically reinforced version with shock resistance and center-zero function |
| F | Full‑function version with added capacitance, dB, Li measurement and other special functions |
- Core Technical Specifications
| パラメータ | Measuring Range | Accuracy | 注意事項 |
| DC Voltage (DCV) | 0.1V (20kΩ/V), 0.25/2.5/10/50V (20kΩ/V), 250/1000V | ±5% of full scale | Center-zero meter, measures ±5V / ±25V bipolar voltage |
| AC Voltage (ACV) | 10/50/250/1000V | ±5% of full scale | Frequency response: 45–1000Hz |
| DC Current (DCA) | 50μA / 2.5ミリアンペア / 25ミリアンペア / 0.25あ | ±5% of full scale | Direct measurement, no external shunt required |
| Resistance (Ω) | 2k/20k/200k/2MΩ (×1/×10/×100/×1k), 200MΩ (low voltage) | ±3% of arc scale | Up to 200MΩ for high-impedance circuits |
| Capacitance (C) | 100pF–20μF | - | Pointer indicates peak charging current |
| dB Measurement | –10 ~ +50dB | - | Audio signal level measurement |
| Li Measurement | - | - | Dedicated range for lithium‑ion battery voltage |
| Input Impedance | 20kΩ/V (DCV/ACV) | - | High input impedance reduces loading effect |
| Power Supply | 2×1.5V (AA), 1×9V | - | Standard dry batteries, easy to replace |
| Display | Analog (center-zero) | - | Clear dual scale for easy reading across ranges |
| 寸法 | 159 × 129 × 41.5 mm | - | Portable, handheld design |
| 重さ | 約. 320g | - | Lightweight for long‑time use |
| Protection | Shock-resistant design | - | Built-in protective cover safeguards movement and circuit |
| Safety Standard | IEC 61010-1 CAT II 1000V | - | Complies with international electrical safety standards |
- 特徴
- Core Measurement Functions
AC/DC voltage measurement: Wide range 0.1V–1000V, suitable for low-voltage circuits to mains supply
DC current measurement: Direct reading 50μA–0.25A without external shunt
High-resistance measurement: Up to 200MΩ for semiconductors and insulation testing
Capacitance check: 100pF–20μF for electronic component evaluation
Center-zero design: Measures bipolar positive/negative voltage for signal and polarity testing
- 特別な機能
dB level measurement: For audio equipment adjustment and signal strength testing
Dedicated Li battery range: Accurately measures lithium‑ion battery voltage to prevent overcharge/discharge
Continuity buzzer test: Quickly checks circuit connectivity for faster repair
Transistor hFE measurement: Supports gain testing for NPN/PNP transistors
- Mechanical Design Advantages
Platinum wire movement: Improved elasticity, mechanical damage resistance, longer life
Integrated gold-plated test leads: Excellent conductivity, durable, easy to store
Shock-resistant housing: Built-in cover absorbs impact, ideal for field work
Dual‑scale display: Main + auxiliary scales improve reading accuracy
- アプリケーション
| 分野 | Typical Usage |
| Electronic Repair | Troubleshooting communications, home appliances, industrial control boards |
| Electrical Installation | Line voltage check, continuity test, grounding resistance measurement |
| Laboratory Testing | Component verification, circuit characteristic analysis |
| Automotive Electronics | In-vehicle device testing, battery systems, sensor signal measurement |
| Industrial Maintenance | Equipment inspection, motor control circuit debugging, PLC I/O testing |
| Education & Research | Electronics lab experiments, circuit principle demonstrations |
- Series Model Comparison
| モデル | Key Difference | 応用 | 価格帯 |
| YX360TR | Basic version, no capacitance/dB measurement | General electrical measurement | 経済的 |
| YX360TRF | Full‑function version with capacitance, dB, Li measurement | Professional electronic repair | ミッドレンジ |
| YX361TR | Upgraded, higher accuracy, added temperature measurement | Precision electronic measurement | Mid‑high |
| YX360TRF-HV | High-voltage version, measures up to 25kV DC with HV probe | High-voltage equipment testing | Higher |
- Official Information & Accessories
| アイテム | Details |
| メーカー | SANWA Electric Instrument Co., Ltd., Japan |
| Origin | Japan / Shanghai, 中国 (varies by batch) |
| Standard Accessories | 1×main unit, 1×integrated test lead, 1×manual, 1×certificate, 3×batteries (2×1.5V, 1×9V) |
| Optional Accessories | HV high-voltage probe (25kV DC), test lead set, carrying case |
| Warranty | 1 year from purchase date |
| Official Manual | PDF available on SANWA website |
- Usage Precautions
- Range selection: Estimate value before measurement to avoid overloading the movement
- Polarity: Observe probe polarity for DC measurements; center-zero design prevents reverse deflection
- High-resistance measurement: 200MΩ range uses low-voltage output to protect semiconductors
- Safe operation: CAT II 1000V rating; not for high-voltage power systems
- メンテナンス: Clean leads and terminals regularly; remove batteries during long‑term storage
With its accurate, stable, durable and reliable performance, the YX360TRF is trusted by electronic engineers and technicians worldwide. Proven in the market for decades, it remains a classic in analog multimeters.
Comprehensive Comparison: SANWA YX360TRF × Fluke 117 × VICTOR VC9801
Among the three, YX360TRF is analog, while Fluke 117 and VC9801 are digital multimeters, with distinct application focuses. This comparison supports direct selection.
- Core Parameter Comparison
| アイテム | SANWA YX360TRF | Fluke 117 | VICTOR VC9801 |
| タイプ | Analog multimeter | True-RMS digital multimeter | General-purpose digital multimeter |
| Brand/Origin | SANWA, Japan / Japan or China | Fluke, アメリカ合衆国 / 中国 | VICTOR, Shenzhen / 中国 |
| Display | Analog pointer (center-zero) | Digital LCD | Digital LCD |
| Accuracy | ±5% of full scale | 非常に高い (industrial grade) | 約. ±(0.5%+3), sufficient for general use |
| Safety Rating | CAT II 1000V | CAT III 600V | CAT II 600V / some versions CAT III 600V |
| AC/DC Voltage | 0.1V–1000V | 0.1mV–600V True-RMS | 0.1mV–600V |
| DC Current | 50μA–0.25A | μA–10A | μA–20A |
| Resistance | 2kΩ–200MΩ | 0.1Ω–40MΩ | 0.1Ω–200MΩ |
| 主な特長 | Capacitance, dB audio level, Li measurement, center-zero, shock-resistant movement | VFC filtering, non-contact voltage, LoZ, True-RMS | Continuity buzzer, diode, hFE, temperature, 費用対効果の高い |
| Power | 2×1.5V + 1×9V | 3×AA | 1×9V battery |
| 重さ | 約. 320g | 約. 400g | 約. 260g |
| 価格 | Mid‑high | ハイエンド (工業用) | Entry-level economical |
- Key Differences & アプリケーション
- SANWA YX360TRF (Analog)
利点
Fast needle response ideal for observing fluctuations, charging/discharging, transient changes (capacitor charging, relay pull-in, signal swings)
Center-zero measures bipolar voltage
Built-in dB and Li battery ranges ideal for electronics, appliance, audio repair
Shock-resistant, durable Japanese classic
Disadvantages
Less precise than digital meters
No auto-ranging; manual range selection required
Best for
Experienced technicians, appliance repair, audio equipment adjustment, analog meter enthusiasts
Users who need to observe dynamic behavior rather than fixed values
- Fluke 117 (Premium Digital)
利点
Highest accuracy and noise immunity
True-RMS + VFC filtering performs reliably in industrial, モーター, and inverter environments
LoZ low impedance eliminates ghost voltages, highly useful for electricians
Industry-leading build quality, stability, and warranty
Disadvantages
High cost
Focused on industrial/electrical use; less suitable for audio dB or rough capacitance checks
Best for
Professional electricians, industrial sites, equipment maintenance, users demanding high accuracy and safety
- VICTOR VC9801 (Economy Digital)
利点
Affordable, durable, full-featured (temperature, hFE, continuity, diode)
| Auto-zero, intuitive readings
| Fully adequate for daily electrical work, students, home use
Disadvantages
Moderate accuracy, lower noise immunity
Less stable than Fluke in harsh industrial environments
Best for
Students, home repair, general electricians, budget‑conscious users
Full Product List of SANWA Electric Instrument
SANWA Electric Instrument Co., 株式会社. specializes in electrical measuring instruments, including analog/digital multimeters, clamp meters, insulation testers, earth resistance meters, environmental meters, and professional test tools. These are widely used in electronic repair, industrial maintenance, 研究室, and education. Below is the complete series by category.
- Analog Multimeter Series (YX / YD / YT)
1.1 Classic YX Series (Medical / Industrial General Use)
| モデル | 主な特長 | Measurement Functions |
| YX360TR | Basic shock-resistant, center-zero | AC/DC voltage, DC current, 抵抗, continuity |
| YX360TRF | Full‑function with capacitance, dB, Li measurement | AC/DC voltage, DC current, 抵抗 (200MΩ), capacitance (100pF–20μF), dB, Li battery |
| YX361TR | Upgraded, higher accuracy, temperature | Full functions + temperature, 35 ranges |
| YX360TRF-HV | High-voltage version, 25kV DC with HV probe | 基本機能 + high-voltage extension |
| YX362TR | Enhanced, higher accuracy, faster response | Full functions with improved precision |
| YX360 | Entry-level basic model | Standard electrical measurements |
1.2 Special Analog Meters
| モデル | シリーズ | 応用 |
| CX506a | FET tester | Semiconductor measurement, high input impedance |
| YT320 | Transistor tester | Transistor parameter test, hFE measurement |
| YD200 | Industrial analog meter | Harsh environments, shock and impact resistant |
| YD201 | High-voltage analog meter | High-voltage equipment with HV probe |
- Digital Multimeter Series (パソコン / PM / CD / RD)
2.1 High-Precision PC Series (Industrial Grade)
| モデル | Accuracy | Key Functions |
| PC5000a | Ultra-high (±0.01%) | Laboratory measurement, data logging |
| PC510a | 高い (±0.02%) | Industrial precision measurement, auto-ranging |
| PC500a | 高い (±0.05%) | Portable precision measurement, USB output |
| PC20 | Entry high-precision | Basic precision measurement, 費用対効果の高い |
| PC720M | Multi-purpose with clamp probe | 基本機能 + AC/DC current / leakage current |
2.2 Multi-Function PM Series (Field Use)
| モデル | 特徴 | 応用 |
| PM33 | Multi-function, waterproof/dustproof | Industrial field maintenance, harsh environments |
| PM300 | Basic multi-purpose, lightweight | Daily electronic repair, portable use |
| PM301 | Enhanced with temperature | 電気 + temperature measurement |
2.3 Portable CD / RD Series (Repair Use)
| モデル | 特徴 | Target Users |
| CD800a | Large display, auto-ranging | Home appliance repair, fast troubleshooting |
| CD771 | 経済的, full-featured | Entry repair, student labs |
| RD700 | High-precision True-RMS | Industrial electrical measurement |
| RD701 | Enhanced with data logging | Equipment inspection, trend analysis |
- Clamp Meter Series (DCM / DLC / CAM)
3.1 AC/DC DCM Series (Industrial Mainstream)
| モデル | Range | 特別な機能 |
| DCM60R | AC/DC 0–600A | True-RMS, auto-ranging |
| DCM301 | AC 0–1000A | Nose-type design, one-touch frequency switching |
| DCM302 | AC/DC 0–1000A | True-RMS, backlight, data hold |
| DCM600DR | AC/DC 0–600A | True-RMS, leakage current measurement |
| DCM800 | AC/DC 0–800A | Large jaw for thick cables |
3.2 Leakage Current DLC Series
| モデル | Range | 応用 |
| DLC470 | AC leakage 0–200mA | Insulation monitoring, LED backlight |
| DLC471 | AC/DC leakage 0–200mA | Equipment leakage detection, safety inspection |
| DLC480 | High-precision leakage | 医療機器, IEC 61557 compliant |
3.3 AC CAM Series (経済)
| モデル | Range | 特徴 |
| CAM200 | AC 0–200A | Entry-level, economical |
| CAM500 | AC 0–500A | ミッドレンジ, full-featured |
| CAM1000 | AC 0–1000A | ハイエンド, shock-resistant |
- Insulation Resistance Tester Series (DM / DG / PDM / MG / HG)
4.1 Digital DM Series (General Industrial)
| モデル | Test Voltage | Measuring Range |
| DM500 | 250V/500V/1000V | 0.1MΩ–2000MΩ |
| DM501 | 500V/1000V/2500V | 0.1MΩ–5000MΩ |
| DM502 | 1000V/2500V/5000V | 0.1MΩ–10000MΩ |
| DM600 | Smart, auto-discharge | Full functions + auto-discharge protection |
4.2 Multi-Function DG Series (Insulation + Earth)
| モデル | Combined Functions | 応用 |
| DG500 | Insulation + earth resistance | Integrated electrical system testing |
| DG501 | Insulation + earth + 電圧 | Comprehensive safety inspection |
| DG502 | Insulation + earth + 現在 | Industrial equipment maintenance |
4.3 Professional MG / PDM Series (High-Voltage / 精度)
| モデル | 特徴 | Measuring Range |
| MG1000 | Auto live-line detection, calibratable | 250V/500V/1000V, 4000MΩ |
| HG561H | Smart 7-range insulation tester | 15V/25V/50V/100V/ 250V/500V/1000V |
| PDM600 | Portable precision | 0.1MΩ–2000MΩ, multi-voltage |
- Earth Resistance Tester Series (HG)
| モデル | Method | Range |
| HG500 | 3-pole method | 0.01Ω–200Ω |
| HG501 | 4-pole method, higher accuracy | 0.001Ω–2000Ω |
| HG502 | Soil resistivity | 0.1Ω·m–2000Ω·m |
| HG560 | Multi-function earth meter | Earth resistance + soil resistivity + 電圧 |
| PDR302 Series | Portable digital | 0.01Ω–200Ω for field testing |
- Leakage Current Clamp Meters (DLC)
| モデル | タイプ | Range | 応用 |
| DLC470 | AC leakage | 0–200mA | Line insulation monitoring |
| DLC471 | AC/DC leakage | 0–200mA | Equipment leakage, safety checks |
| DLC472 | High-precision leakage | 0–100mA | 医療機器, IEC 61557 |
| DLC480 | High-current leakage | 0–1A | Industrial maintenance, power systems |
- Environmental Measuring Instruments
7.1 Laser Power / Light Meters
| モデル | タイプ | Range |
| LP10 | Laser power meter | 0.01μW–40.39mW |
| LX20 | Light meter | Separate bar sensor for narrow spaces |
| LX10 | Basic light meter | 0–100,000 lux, portable |
7.2 Thermometers / Tachometers
| モデル | タイプ | Range | 特徴 |
| TH3 | Thermocouple thermometer | –50°C~1300°C | K-type thermocouple |
| TH10 | Infrared thermometer | –50°C~500°C | Non-contact |
| RM100 | Contact tachometer | 0–10,000rpm | Mechanical contact |
| RM200 | Photo tachometer | 0–99,999rpm | Non-contact, laser sight |
- Special Function Instruments
8.1 Voltage / Phase Detectors
| モデル | タイプ | 関数 | Safety Rating |
| KDP10 | Voltage detector | Non-contact voltage, sound/light alarm | CAT III 600V |
| KDP20 | Phase detector | 3-phase phase sequence testing | CAT III 600V |
| Live-line Alarm | High-voltage alarm | Proximity warning for high voltage | CAT IV 1000V |
8.2 LCR / Encoder Testers
| モデル | タイプ | パラメータ | Range |
| LC200 | Digital LCR tester | L, C, R | 100nH–100mH, 10pF–100μF, 0.1Ω–10MΩ |
| CT100 | Encoder tester | Pulse, frequency, duty cycle | - |
8.3 High-Voltage Probes
| モデル | For Meters | Range | 応用 |
| HV-60 | YX360TRF etc. | DC 0–25kV/30kV | CRT anode voltage |
| HV-100 | All analog meters | DC 0–100kV | High-voltage equipment testing |
- Accessories & Parts
9.1 Test Leads & Probes
| モデル | タイプ | 応用 |
| TL-509S | Standard test leads | All multimeters / clamp meters |
| HFE-6T | Transistor test adapter | hFE measurement with analog meters |
| Clamp current probe | For PC720M | AC/DC current extension |
| Temperature probe | K-type thermocouple | For thermometers |
9.2 Software & 較正
| モデル | タイプ | 関数 |
| Data Acquisition Software | PC software | Meter data transfer and analysis |
| Standard Calibrator | Calibration tool | Calibration for multimeters, clamps |
| School Lab Kit | Educational kit | Electronics teaching and experiments |
- モデルの命名規則
- Analog meters: YX (basic), YD (工業用), YT (特別), CX (FET)
- Digital meters: パソコン (high-precision), PM (multi-purpose), CD (portable), RD (enhanced)
- Clamp meters: DCM (AC/DC), DLC (漏れ), CAM (交流)
- Insulation/earth: DM (絶縁), DG (combo), MG (professional), HG (earth)
- Suffixes:
TR: Shock-resistant, center-zero
F: Full-function
HV: High-voltage compatible
C: Coated for harsh environments
L: Low-voltage power (24–48VDC)
- Series Comparison Summary
| カテゴリ | Representative | Key Strengths | アプリケーション |
| Analog Multimeter | YX360TRF | Fast dynamic response, bipolar measurement | エレクトロニクス, audio, education |
| Digital Multimeter | PC5000a | Ultra-high accuracy, data logging | Industrial precision, labs |
| Clamp Meter | DCM302 | Non-contact, safe, True-RMS | インストール, maintenance, inspection |
| Insulation Tester | MG1000 | Auto live-line check, wide range | Safety inspection, fault finding |
| Earth Tester | HG501 | 4-ポール, 高精度 | Grounding systems, soil resistivity |
| Leakage Meter | DLC471 | Leakage detection, fire prevention | Medical, industrial safety |
- 一部のモデル (例えば, YX360TRF) are available in Japan‑made and China‑assembled versions with identical functions and comparable quality.
- All products comply with IEC 61010-1, with safety ratings from CAT II 600V to CAT IV 1000V.
- For the latest models and detailed specifications, refer to the official SANWA website or authorized distributors.
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