Magnetic Measurement Instruments
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| Brand | 3i |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | NMI-VSM |
| Price | Upon Request |
| Sensitivity (RMS) | 5×10⁻⁷ emu |
| Oscillation Frequency Range | 1–100 Hz (calibrated) |
| Oscillation Amplitude Range | 0.1–5 mm |
| Maximum Sample Diameter | 6 mm |
| Temperature Range | 2 K to 1000 K |
| Magnetic Field Range | Up to 2.5 T (electromagnet), up to 14 T (with cryostat) |
| Brand | Alpha |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EM2 |
| Price Range | USD 700 – 1,270 (FOB) |
| Operating Temperature | 0–43°C |
| Full-Scale Range | 0–199.999 µT |
| Resolution | 0.001 µT (1 nT) |
| Accuracy | ±0.5% of reading ±0.001 µT |
| Thermal Drift | <1.15 nT/°C |
| Dimensions | 194.7 × 100.6 × 44.3 mm |
| Weight | 525 g (with batteries) |
| Power | 3 × AA alkaline (10 h with backlight, 15 h without) |
| Display | Backlit LCD, relative-zero mode, vector capability (field magnitude & direction) |
| Brand | AlphaLab |
|---|---|
| Origin | USA |
| Model | GM1-HS |
| Measurement Range | ±799.99 G |
| Resolution | 0.01 G |
| Accuracy | ±1% of reading (16–29°C), ±2% (-4–65°C) |
| Probe Type | Single-axis Hall-effect sensor with 100 cm flexible cable |
| Probe Dimensions | 2.3 × 4.8 × 24 mm |
| Instrument Dimensions | 132 × 91 × 41 mm |
| Weight | 227 g |
| Power | 9 V alkaline battery (≈20 h operation) |
| Display update rate | 4 Hz |
| Operating temperature | -4°C to +65°C |
| Storage temperature | -20°C to +70°C |
| Brand | Alphalab |
|---|---|
| Origin | USA |
| Model | GM1-ST |
| Measurement Range | ±19,999.9 G (±1.99999 T) |
| Resolution | 0.1 G |
| Accuracy | ±1% of reading (16–29°C), ±2% (-4–65°C) |
| Display | 5½-digit LCD, polarity-indicating |
| Probe | Integrated Hall-effect sensor, 1.5 × 4.3 × 24 mm, mounted on 100 cm flexible cable |
| Operating Temperature | -4°C to +65°C |
| Power | 9 V alkaline battery (≈40 h life) |
| Certifications | CE, NIST-traceable calibration certificate included |
| Compliance | Meets IEC/EN 61326-1 for EMC and safety |
| Brand | Alphalab |
|---|---|
| Origin | USA |
| Model | GM1-ST |
| Measurement Range | 0 to 19,999.9 G |
| Resolution | 0.1 G |
| Display | 5½-digit LCD |
| Update Rate | 4 readings/sec |
| Sensor Cable Length | 100 cm (flexible, bendable tip) |
| Minimum Gap Clearance | 0.060 in (1.5 mm) |
| Operating Principle | Hall-effect DC magnetic field sensing |
| Brand | AlphaLab |
|---|---|
| Origin | USA |
| Model | GM2 |
| Measurement Range (ST Probe) | ±19,999.9 G / 0.1 G resolution |
| Measurement Range (HS Probe) | ±799.99 G / 0.01 G resolution |
| DC Accuracy (16–29°C) | ±1% of reading + 10 counts |
| AC Accuracy (45–800 Hz) | ±3% of reading + 10 counts |
| Peak Hold Accuracy | ±2% of reading + 10 counts |
| AC Bandwidth | DC to 1.5 kHz (−3 dB) |
| Peak Capture Window | 2 ms |
| Analog Output | ST: ±2 V (±20 kG) |
| HS | ±0.8 V (±800 G) |
| Probe Cable Length | 100 cm |
| Dimensions | 138 × 91 × 41 mm |
| Weight | 213 g |
| Power | 9 V alkaline battery (ST: ~40 h |
| HS | ~20 h) |
| Brand | AlphaLab |
|---|---|
| Origin | USA |
| Model | MGM |
| Measurement Range | ±2000 mG (±200 µT) |
| Resolution | 0.01 mG (1 nT) |
| Display | 5½-digit, -1999.99 to +1999.99 mG |
| Update Rate | 3 Hz |
| Analog Output | ±2 V = ±2 G (±2000 mG), ±0.5% accuracy |
| Bandwidth | DC–3 Hz standard (optional DC–300 Hz) |
| Sensor Type | Axial anisotropic magnetoresistive (AMR) |
| Active Sensor Area | 1 mm × 0.2 mm |
| Temperature Stability | Offset TC < 0.01 mG/°C |
| Accuracy (Gain) | ±0.5% FS |
| Offset Error | ±0.5 mG |
| Operating Temp | 0–45°C |
| Dimensions | 18 × 9 × 5 cm |
| Weight | 325 g (incl. battery) |
| Brand | AlphaLab |
|---|---|
| Origin | USA |
| Model | MR3 |
| Measurement Principle | Magnetoresistive (MR) Sensor Array |
| Axes | X, Y, Z (orthogonal vector components) |
| Full-Scale Range | ±1999.99 mG (±199.999 µT) |
| Resolution | 0.01 mG (1 nT) |
| Accuracy | ±0.5% of reading + ±0.50 mG offset error |
| Sampling Rate | 2 Hz (updates per second) |
| Temperature Stability | Offset TC < 0.01 mG/°C |
| Repeatability | ±0.01 mG (1 nT) at constant temperature |
| Sensor Geometry | Three MR sensors embedded in a 25 mm cube, positioned ~4 mm below surface, with mechanical X/Y/Z axis markings on housing |
| Cable Length | 100 cm flexible coaxial cable |
| Power | 4 × AA alkaline batteries (included, ~40 h operation) or universal AC adapter (included) |
| Data Logging | Internal storage of X/Y/Z/M and peak values |
| Display | Simultaneous readout of instantaneous and peak values for all four parameters (X, Y, Z, M) |
| Compliance | CE-marked |
| Brand | AlphaLab |
|---|---|
| Origin | USA |
| Model | UHS2 |
| Frequency Range | 13 Hz – 75 kHz |
| Full-Scale Range | 1999.99 mG |
| Resolution | 0.01 mG |
| Accuracy | ±3% (45 Hz – 5 kHz), ±7% (<45 Hz and >5 kHz) |
| Power | 9 V alkaline battery (~20 h operation) |
| Measurement Modes | True 3-Axis ELF+VLF, 3-Axis VLF-only (1–75 kHz), Single-Axis Full-Bandwidth (13 Hz–75 kHz) |
| Brand | AlphaLab |
|---|---|
| Origin | USA |
| Model | VGM |
| Measurement Range | ±799.99 G |
| Resolution | 0.01 G |
| Accuracy | ±1% of reading (16–29 °C), ±2% (−4–65 °C) |
| Axis Configuration | Triaxial (X, Y, Z) DC magnetic field sensors co-located within 1.5 mm at probe tip |
| Vector Magnitude Calculation | √(X² + Y² + Z²) |
| Peak Hold Time Constant | 5 ms |
| Alarm Response Time | 5 ms |
| Alarm Threshold Range | 1.00–790.00 G (100-step adjustable) |
| Probe Dimensions | 6.3 × 6.3 × 50 mm |
| Display | Real-time magnitude + individual X/Y/Z components (polarity included) + simultaneous peak values |
| Power | 9 V alkaline battery (≈10 h life) or USB adapter (included) |
| Compliance | CE marked |
| Calibration | NIST-traceable certificate included |
| Output Interface | 3.5 mm mono audio jack (active-high 3.5 V alarm signal, 0 V inactive) |
| Environmental Operating Range | −4 to +65 °C |
| Physical Dimensions | 147 × 97 × 51 mm |
| Weight | 332 g |
| Brand | ASHMAR SCIENTIFIC |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MODEL 110 |
| Pricing | Available Upon Request |
| Brand | ASHMAR SCIENTIFIC |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MODEL 110 |
| Pricing | Upon Request |
| Brand | Attocube Systems AG |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | attoNVM |
| Temperature Range | 1.8–300 K |
| Magnetic Field Range | ±9 T (vector, 1–1–1 T) or ±1 T (vector, 1–1–1 T) |
| Brand | Auniontech |
|---|---|
| Model | FM-A (Analog) / FM-D (Digital) |
| Measurement Principle | Fluxgate Magnetometry |
| Axes | 1 (FM-D), 1 or 3 (FM-A) |
| Range | ±50 µT (FM-A), ±100 µT (FM-D) |
| Resolution | 1 nT (FM-D) |
| Noise Floor | 5 nT (0.1–10 Hz, FM-D) |
| Sampling Rate | Up to 100 Hz (FM-D) |
| ADC Depth | 24-bit (FM-D) |
| Power Supply | ±15 V (FM-A), USB-powered (≤10 mA, FM-D) |
| Field Tolerance | ≤5 mT |
| Compliance | CE-marked |
| Software Interface | DLL & LabVIEW™ drivers included |
| Application Scope | Geomagnetic monitoring, biomagnetic screening, NDT of conductive materials, EMI characterization, active field cancellation systems |
| Brand | Auniontech |
|---|---|
| Model | Geoshark MG30M |
| Magnetometer Type | Optically Pumped (Rubidium Vapor) |
| Measurement Principle | Quantum Optical Pumping & Larmor Precession Detection |
| Operating Temperature Range | −20 °C to +40 °C |
| Magnetic Field Range | 20,000–100,000 nT |
| Sensitivity | 0.1–0.5 pT/√Hz |
| Measurement Rate | 1,000 Hz |
| Closed-Loop Bandwidth | 30 Hz |
| Sensor Tilt Tolerance | ±45° |
| Typical Bias Stability | <0.3 nT |
| UAV Platform | Geoscan 401 Industrial Quadcopter |
| Ground Track Accuracy | ≤0.6 m deviation from planned route |
| Typical Survey Speed | 10 m/s (36 km/h) |
| Operational Altitude | 25–500 m AGL |
| Max Flight Duration (single battery) | ~60 min |
| Daily Coverage (12–16 flights) | 160–220 km |
| Data Output Format | GeoTIFF, ASCII Grid, CSV with full georeferencing |
| Software Suite | QMCentre (acquisition & real-time monitoring), Geoscan Mission Planner, Agisoft Metashape PRO (photogrammetric integration) |
| Brand | Auniontech |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | HRU100-25 |
| Pricing | Upon Request |
| Brand | Auniontech |
|---|---|
| Origin | Shanghai, China |
| Model | K3A |
| Measurement Principle | Semiconductor Hall Effect (3-axis orthogonal sensing) |
| Operating Temperature Range (Probe) | <1 K to 320 K |
| Full-Scale Ranges | ±2 T, ±5 T, ±9 T |
| Calibration Accuracy | 0.25% FS (optional cryogenic calibration down to 4 ± 2 K) |
| Noise Spectral Density (white noise) | <0.04 µT/Hz¹ᐟ² |
| Corner Frequency (1/f noise) | 10 Hz |
| Bandwidth | DC to 1 kHz |
| Field-Sensitive Volume | <0.6 mm³ |
| Probe Dimensions | 4.5 × 4.5 × 9 mm |
| Electronics Supply | 0–24 V DC |
| Interconnect Cable | 12 m |
| Electronic Box | 230 × 109 × 45 mm, 0.8 kg |
| Output | Differential ±10 V @ full scale |
| Offset Drift | <2 µT (<1 ppm FS) at room temperature |
| Long-Term Sensitivity Stability | <1% over 10 years |
| Temperature Coefficient | <25 ppm/K |
| Brand | Auniontech |
|---|---|
| Origin | Shanghai, China |
| Model | PTM-1000 |
| Detection Principle | Pump–Probe Photothermal Deflection Based on Thermal Lens Effect |
| Pump Wavelength | Customizable (Typical 1064 nm / 532 nm / 355 nm) |
| Probe Wavelength | 633 nm (He–Ne Laser) |
| Chopping Frequency | 390 Hz ± 10 Hz |
| Surface Absorption Sensitivity (Transmissive, Fused Silica Substrate, 1 W Pump) | < 0.25 ppm |
| Bulk Absorption Sensitivity (Transmissive, Fused Silica, 1 W Pump) | < 5 ppm/cm |
| Surface Absorption Sensitivity (Reflective Configuration) | < 0.5 ppm |
| Noise-Equivalent Absorbed Power (Surface, Transmissive) | < 0.25 µW |
| Noise-Equivalent Absorbed Power (Bulk, Transmissive) | < 5 µW/cm |
| Noise-Equivalent Absorbed Power (Reflective) | < 0.5 µW |
| Probe Beam Spot Size (FWHM) | 225 µm ± 50 µm |
| Pump Beam Spot Size (FWHM) | 75 µm ± 20 µm |
| Lateral Spatial Resolution (FWHM) | < 60 µm |
| Axial (Depth) Resolution (FWHM) | < 1 mm |
| XYZ Translation Stage | 50 mm × 50 mm × 50 mm, Stepper Motor Driven |
| Probe Laser | Pacific Lasertec 05-LHP-121 or Equivalent |
| Probe Output Power | 2 mW (Class 3R) |
| Probe RMS Intensity Noise | ≤ 0.1% (30 Hz – 10 MHz) |
| Signal Processing | Dual Lock-in Amplifier Synchronized to Chopping Frequency |
| Compliance | Designed for GLP/GMP-adjacent R&D Environments |
| Brand | Auniontech |
|---|---|
| Origin | Shanghai, China |
| Model | RM100 Fluxgate Magnetometer |
| Measurement Principle | Differential Fluxgate Sensing |
| Full-Scale Range | ±200,000 nT (±2 G) |
| Resolution | 0.1 nT |
| Absolute Accuracy | ±(0.01% of reading + 0.25% of range + 1 nT) |
| Offset Field Accuracy | ±(0.01% of reading + 0.2 nT) |
| Differential Field Accuracy | ±(0.25% of reading + 1 nT) |
| Temperature Stability | 0.5 ppm/°C (offset), 5.0 ppm/°C (differential), 50 ppm/°C (analog output) |
| Analog Output | 10 V / full scale ±1% |
| Low-Pass Filter Cutoffs | 10, 50, 100, 500, 1000 Hz (±2%) |
| Power Line Rejection | >40 dB at 60 Hz |
| Data Storage | 16,384 points |
| Interface | RS-232 (9.6–115.2 kbps), 10BASE-T Ethernet (SCPI-compliant) |
| Compliance | NIST-traceable calibration, ISO/IEC 17025-aligned metrology practices |
| Key | Brand: Beijing Hangfeng |
|---|---|
| Origin | Beijing, China |
| Model | CS-01 / CS-02 / HQ-04 |
| Operating Voltage | 18–30 VDC |
| Working Temperature | −55 °C to +150 °C |
| Storage Temperature | −55 °C to +70 °C |
| Max Working Pressure | ≤0.6 MPa |
| Sealing Performance | ≥0.3 MPa |
| Magnetic Pole Gap | 2.0 ± 0.1 mm (CS-01/CS-02), 1.7 ± 0.1 mm (HQ-04) |
| Magnetic Attraction Force | ≥50 g (CS-01/CS-02), ≥100 g (HQ-04) |
| Filtration Rating | 900 µm (CS-01), None (CS-02), 600 µm (HQ-04) |
| Ground Resistance | ≤20 mΩ |
| Insulation Resistance | ≥20 MΩ |
| Compatible Fluids | MIL-PRF-23699 (GJB 1263–1991 compliant) synthetic aircraft lubricants (e.g., 4106, 4050) |
| Humidity Limit | ≤90% RH |
| Max Operational Altitude | 20,000 m |
| TBO | 1000 engine operating hours |
| Service Life | 4000 engine operating hours |
| Installation Interface | φ18 flange (CS-01), M12×1.5 (CS-02), φ27 flange (HQ-04) |
| Dimensions | ≤φ41×72 mm (CS-01), ≤φ31×77 mm (CS-02), ≤φ54×82 mm (HQ-04) |
| Brand | JW Fishers |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | DiverMag-1 |
| Pricing | Available Upon Request |
| Brand | Truth Instruments Company Limited |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | KMPL-PM |
| Pricing | Available Upon Request |
| Brand | HeatWave Labs |
|---|---|
| Origin | USA |
| Model | LaB6 |
| Operating Temperature | 950–1200 °C |
| Emission Current Density | ≥3–5 A/cm² (CW), >15 A/cm² (pulsed) |
| Cathode Material | Lanthanum Hexaboride (LaB6) |
| Insulation | Alumina (Al₂O₃) |
| Structural Body | Molybdenum (Mo) |
| Lifetime | >10,000 hours under optimal vacuum and thermal conditions |
| Electrical Isolation | Dual independent power leads fully isolated from housing |
| Gas-Free Operation | Yes |
| Optional Coatings | Os/Ru (M-type), Os/W, IR-emission-enhancing coatings |
| Scan Configurations Available | 311, 532, 411, 612, M (customizable per request) |
| Brand | Lake Shore |
|---|---|
| Origin | USA |
| Model | F71 (3-axis), F41 (1-axis) |
| Measurement Range | 35 mT to 35 T |
| DC Accuracy | ±0.15% of reading (standard probe, 350 mT–3.5 T range) |
| AC Bandwidth | 550 Hz (–3 dB), HF Mode: 20 Hz–7 kHz (–0.2%) |
| Resolution | < 0.1 µT |
| Probe Compatibility | FP-Series Hall Probes only |
| Compliance | Designed for GLP/GMP environments with audit-ready data logging capability |
| Brand | Lake Shore |
|---|---|
| Origin | USA |
| Manufacturer Status | Authorized Distributor |
| Product Origin | Imported |
| Model | SuperVariMag |
| Pricing | Upon Request |
| Brand | MAIERIC |
|---|---|
| Origin | Anhui, China |
| Model | MAIERIC |
| Measurement Principle | Combined DC-biased hysteresis loop tracing + high-frequency Barkhausen noise detection |
| Signal Acquisition | Dual-channel synchronized B–H and MBN waveform capture |
| Excitation Frequency Range | 0.1–100 Hz (programmable) |
| MBN Bandwidth | 20 kHz–1 MHz (programmable bandpass filter) |
| Data Output Format | .db (binary database with timestamped MBN, B, H waveforms) |
| Interface | Wi-Fi-enabled real-time PC control |
| Compliance | Designed for ASTM E1444/E2884-compliant magnetic testing workflows |
| Software Features | Real-time x–y scalable plotting of B(H), H(t), and MBN(t) |
| Brand | MAIERIC |
|---|---|
| Origin | Anhui, China |
| Model | BH Hysteresis Loop & Barkhausen Noise Analyzer |
| Measurement Principle | Dual-mode electromagnetic induction + Hall-effect field sensing + high-frequency MBN detection |
| Excitation Frequency Range | 1 Hz – 1 kHz (programmable) |
| Signal Acquisition | Simultaneous B (flux density), H (magnetic field strength), and MBN (Barkhausen noise) waveforms |
| Data Output Format | .db (binary database with timestamped raw channels) |
| Real-time Display | Adjustable XY scaling for B–H loop, H(t), MBN envelope, and time-domain MBN burst trains |
| Connectivity | Wi-Fi 802.11n (IEEE 802.11 compliant), USB 2.0 backup |
| Filtering | Programmable bandpass filter (10 kHz – 1 MHz, 3rd-order IIR) for MBN |
| Amplification | Programmable preamplifier gain (20 dB – 60 dB, 10 dB steps) |
| Compliance | Designed per IEC 60404-4 (magnetic materials — methods of measurement of DC magnetic properties) and ASTM A341/A341M (standard test method for direct-current magnetic properties of materials) |
| Brand | MAIERIC |
|---|---|
| Origin | Anhui, China |
| Model | BH-MBN-1000 |
| Measurement Principle | Dual-mode electromagnetic induction + Hall-effect field sensing + high-sensitivity MBN coil detection |
| Excitation Frequency Range | 1 Hz – 10 kHz (programmable) |
| MBN Bandpass Filter | 20 kHz – 2 MHz (adjustable center frequency & bandwidth) |
| Signal Acquisition | Simultaneous real-time sampling of B (flux density), H (magnetic field strength), and MBN voltage waveform |
| Data Output Format | SQLite (.db) with timestamped raw channels, calculated coercivity (Hc), remanence (Br), and MBN RMS/peak amplitude |
| Interface | Wi-Fi 802.11n (IEEE 802.11 compliant), USB 2.0 fallback |
| Software Platform | Windows 10/11 native application with GLP-compliant audit trail logging (user action timestamps, parameter change history, export metadata) |
| Brand | MAIERIC |
|---|---|
| Origin | Anhui, China |
| Model | CFT-1 |
| Coercivity Range | 1–50 A/cm |
| Measurement Depth | Up to 30 mm |
| Surface Clearance | Up to 6 mm |
| Measurement Speed | ~3.5 s per reading |
| Excitation Levels | 3 adjustable intensity settings |
| Data Storage | 32 GB internal (DB & CSV export) |
| Display | 2K full-touchscreen interface |
| Compliance | Designed for field-deployable non-destructive evaluation (NDE) of ferromagnetic components |
| Interface | USB, HDMI, sensor port |
| Brand | MAIERIC |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | CFT-Series |
| Pricing | Upon Request |
| Excitation Levels | 3 Adjustable Steps |
| Lift-off Tolerance | Up to 6 mm |
| Measurement Speed | 3.5 s per reading |
| Penetration Depth | 30 mm |
| Coercivity Range | 1–50 A/cm |
| Display | 2K Full-Touch LCD |
| Storage Capacity | 32 GB (DB + CSV export) |
| Measurement Modes | Manual Keypad / Continuous Auto-Scan |
| Calibration | Intelligent Auto-Calibration Routine |
| Imaging | Built-in 1D/2D Mapping Visualization |
| Data Export | Standard DB & CSV formats |
| Compliance | Designed for ASTM E1444/E709-compliant magnetic particle inspection workflows and ISO 10893-1 non-destructive testing requirements |