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| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Beifen Sanpu Instrument Co., Ltd. |
| Type | Volumetric Flow Calibrator |
| Model | MZ-103A |
| Measurement Principle | Soap Film Transit Time |
| Flow Range | 2 mL/min to 2 L/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Volume Measurement | Fixed calibrated glass tube |
| Operating Temperature | 0–40 °C |
| Power | Rechargeable 4.8 V / 700 mAh battery (standby >24 h) or external 9 V DC input |
| Dimensions | 90 mm × 150 mm × 280 mm |
| Compliance | Designed for field calibration per ISO 6145-4 and ASTM D6196 Annex A2 |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | ZM-101B |
| Price | USD 560 (approx.) |
| Flow Measurement Principle | Volumetric (Soap Film Method) |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Minimum Detectable Flow | 0.1 mL/min |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Standard Range | 0.5–100 mL/min |
| Operating Temperature | 0–40 °C |
| Ambient Pressure Compensation | Integrated barometric sensor |
| Ambient Temperature Compensation | Integrated thermistor |
| Power Supply | Internal 4.8 V / 700 mAh rechargeable battery (standby >24 h) |
| Auto-Power Management | Backlight off after 1 min idle |
| Dimensions | 90 × 150 × 280 mm |
| Weight | 1.3 kg |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Beifen Sanpu Instrument Co., Ltd. |
| Model | ZM-102B |
| Type | Electronic Soap Film Flowmeter |
| Measurement Principle | Volumetric displacement via soap film transit time |
| Flow Range | 1–1000 mL/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Temperature & Pressure Compensation | Built-in sensor-based correction |
| Operating Power | Internal 4.8 V / 1800 mAh rechargeable battery (standby >24 h) or external 9 V DC input |
| Dimensions | 90 × 150 × 280 mm |
| Weight | 0.6 kg |
| Compliance | JJG 586–2006 “Verification Regulation for Soap Film Flowmeters” |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | GL-103B |
| Price | USD 685 (approx.) |
| Flow Measurement Principle | Volumetric (Soap Film Method) |
| Flow Range | 5 mL/min – 5 L/min |
| Accuracy | ±1% of reading |
| Display | LCD with real-time temperature, pressure, volume, and flow rate |
| Timing Resolution | 0.01 s (range: 0.1–600.0 s) |
| Power | Rechargeable 4.8 V / 700 mAh battery (standby >300 h |
| External Power Input | 9 V DC (simultaneous operation & charging) |
| Operating Interface | Three-button control with 5-point averaging function |
| Environmental Compensation | Built-in temperature and pressure correction for volumetric-to-mass flow conversion |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | ZM-102B |
| Pricing | USD 560 (est.) |
| Flow Measurement Principle | Volumetric (Soap Film) |
| Flow Range | 1–1000 mL/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.01 s (internal), displayed at 0.1 s |
| Temperature Range | –10 °C to +50 °C |
| Pressure Range | 101.3 kPa ±50 kPa |
| Built-in Rechargeable Battery | 4.8 V / 700 mAh |
| Standby Time | >24 h |
| Auto Power-Down | Backlight off after 1 min |
| Dimensions | 90 × 150 × 280 mm |
| Weight | 1.3 kg |
| Compliance | JJG 586–2006 (Calibration Regulation for Soap Film Flowmeters) |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZM-105 |
| Product Type | Positive Displacement Flowmeter |
| Flow Range | 30 mL/min – 30 L/min |
| Accuracy | ±1% of reading |
| Repeatability | < 0.5% |
| Volumetric Resolution | 0.1 mL/min |
| Time Resolution | 0.1 s (internal calculation at 0.01 s) |
| Operating Temperature Compensation | Built-in sensor |
| Pressure Compensation | Built-in sensor |
| Volume Correction | Automatic based on T & P |
| Compliance | JJG 586–2006 Verification Regulation for Soap Film Flowmeters |
| Power | Rechargeable 4.8 V / 700 mAh battery (standby >24 h) |
| Dimensions | 90 mm × 150 mm × 280 mm |
| Weight | 1.3 kg |
| Auto-power Management | Backlight off after 1 min idle |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Beifen Sanpu Instrument Co., Ltd. |
| Model | ZM-101B |
| Type | Portable Electronic Soap Film Flowmeter |
| Measurement Principle | Volumetric Displacement via Optical Detection of Soap Film Transit |
| Flow Range (ZM-101B) | 0.1–100 mL/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Temperature & Pressure Compensation | Built-in sensors with real-time correction |
| Power | Rechargeable 4.8 V / 1800 mAh battery (standby >24 h) |
| Dimensions | 90 × 150 × 280 mm |
| Weight | 0.6 kg |
| Compliance | JJG 586–2006 “Verification Regulation for Soap Film Flowmeters” |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | M-30 |
| Product Type | Volumetric |
| Flow Range | 0.1–30 L/min |
| Accuracy | ±0.5% of reading |
| Operating Temperature | 0–40 °C |
| Power Supply | Rechargeable NiCd battery (4.8 V), 8 h continuous operation |
| Dimensions | 14 × 15 × 6 cm |
| Weight | 0.9 kg |
| Compliance | NIST-traceable calibration certificate included |
| Standards | Meets ASTM D6196, ISO 7726, and US EPA Method TO-15/TO-17 flow verification requirements |
| Brand | Sanpu |
|---|---|
| Model | GL-101B |
| Type | Volumetric Flowmeter |
| Measurement Principle | Soap Film Displacement (Capillary Tube Method) |
| Flow Range (Lever 1) | 0.1–100 mL/min |
| Accuracy | ±1% of reading |
| Time Resolution | 0.01 s (0.1–600.0 s) |
| Display | LCD with simultaneous readout of temperature, pressure, volume, and flow rate |
| Power | Rechargeable 4.8 V / 700 mAh battery (standby >300 h |
| External Power | 9 V DC input with in-situ charging capability |
| Operating Environment | Ambient temperature and pressure compensation enabled |
| Compliance | Designed for laboratory calibration, QC verification, and field validation per ISO 4064-2, ASTM D1079, and EPA Method 1021 guidelines |
| Brand | mini-BUCK |
|---|---|
| Origin | USA |
| Manufacturer | A.P. Buck, Inc. |
| Model | M-1 |
| Flow Range | 0.1–300 mL/min |
| Accuracy | ±0.5% of reading |
| Operating Temperature | 0–40 °C |
| Power | Rechargeable 4.8 V NiCd battery (8 h continuous operation) |
| Dimensions | 14 × 15 × 6 cm |
| Weight | 0.9 kg |
| Compliance | NIST-traceable calibration certificate included |
| Measurement Principle | Volumetric soap film displacement |
| Display | Backlit LCD, sunlight-readable |
| Application | Primary standard for gas flow verification of sampling pumps, rotameters, and lab flow devices |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | 1 mL |
| Type | Volumetric Flowmeter |
| Measurement Principle | Volumetric Displacement via Soap Film Transit Time |
| Volume Calibration | 1 mL |
| Typical Uncertainty | ±0.5% of full scale (subject to operator technique, temperature/pressure correction, and calibration traceability) |
| Operating Pressure Range | Near-ambient (≤ 5 kPa differential) |
| Temperature Sensitivity | Requires concurrent gas temperature measurement for standardized volume correction (e.g., to 25 °C, 101.325 kPa) |
| Compliance Basis | Designed in accordance with ISO 4064-2 (Water meters — Part 2: Test methods and equipment) principles for volumetric displacement verification |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | GL-105B |
| Price | USD 820 (FOB) |
| Flow Measurement Principle | Volumetric (Soap Film Method) |
| Flow Range | 30 mL/min – 30 L/min |
| Accuracy | ±1% of reading |
| Display | LCD with real-time temperature, pressure, volume, and flow rate |
| Timing Resolution | 0.01 s (range: 0.1–600.0 s) |
| Power | Rechargeable 4.8 V / 700 mAh battery (standby >300 h |
| Operating Interface | Three-button control with 5-point averaging function |
| Environmental Compensation | Built-in temperature and pressure correction for volumetric-to-mass flow conversion |
| Brand | Beifen Sanpu |
|---|---|
| Model | ZM-103 |
| Type | Volumetric Flowmeter |
| Measurement Principle | Soap Film Displacement (Volumetric Timing Method) |
| Flow Range | 5 mL/min – 5 L/min |
| Accuracy | ±1% of reading |
| Repeatability | < 0.5% |
| Flow Resolution | 0.1 mL/min |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Temperature & Pressure Compensation | Yes, user-adjustable |
| Operating Power | Internal 4.8 V / 700 mAh rechargeable battery (standby >24 h) |
| Auto Power Management | Backlight off after 1 min idle |
| Dimensions | 90 mm × 150 mm × 280 mm |
| Weight | ~1.3 kg |
| Compliance | Fully conforms to JJG 586–2006 “Verification Regulation for Soap Film Flowmeters” |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | M-5 |
| Price | ¥15,800 |
| Product Type | Positive Displacement |
| Flow Range | 1–6000 mL/min |
| Accuracy | ±0.5% of reading |
| Operating Temperature | 0–40 °C |
| Power Supply | Rechargeable NiCd battery (4.8 V), 8 h continuous operation |
| Dimensions | 14 × 15 × 6 cm |
| Weight | 0.9 kg |
| Compliance | NIST-traceable calibration certificate included |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Original Equipment Manufacturer (OEM/ODM Capable) |
| Type | Volumetric Flowmeter |
| Model | ZM-105B |
| Measurement Principle | Soap Film Displacement (Volumetric Timed-Interval Method) |
| Flow Range | 30 mL/min – 30 L/min |
| Accuracy | ±1% of reading |
| Repeatability | < 0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Temperature & Pressure Compensation | Yes (user-adjustable) |
| Power Supply | Internal 4.8 V / 700 mAh rechargeable battery (standby >24 h) |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions | 90 mm × 150 mm × 280 mm |
| Weight | 2.3 kg |
| Compliance | JJG 586–2006 “Verification Regulation for Soap Film Flowmeters” |
| Application Scope | Calibration of low-to-medium gas flow devices in environmental monitoring, occupational health, laboratory QA/QC, and analytical instrumentation |
| Brand | Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Yes |
| Type | Volumetric Flowmeter |
| Model | ZM-105A |
| Flow Range | 6–6000 mL/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Flow Resolution | 0.1 mL/min |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Operating Temperature | −10°C to +50°C |
| Pressure Range | 101.3 ± 50 kPa |
| Built-in Battery | 4.8 V / 700 mAh, >24 h standby, >500 charge cycles |
| External Power | 9 V DC input with auto-charging circuit |
| Dimensions | 90 × 150 × 280 mm |
| Weight | ~1.3 kg |
| Compliance | JJG 586–2006 |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | 101B |
| Product Type | Volumetric Flowmeter |
| Flow Range (Nominal) | 0.2–60 mL/min |
| Flow Range (Extended) | 0.1–100 mL/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Minimum Flow Resolution | 0.1 mL/min |
| Time Measurement Accuracy | ±0.1 s (internal calculation to 0.01 s) |
| Operating Temperature Compensation | Yes |
| Pressure Compensation | Yes |
| Volume Correction | Yes |
| Power Supply | Built-in 4.8 V / 700 mAh rechargeable battery (standby >24 h |
| Auto Power Management | Backlight off after 1 min idle |
| Dimensions | 90 × 150 × 280 mm |
| Weight | ~1.3 kg |
| Compliance | JJG 586–2006 Verification Regulation for Soap Film Flowmeters |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZM-103A |
| Flow Principle | Volumetric (Soap Film) |
| Flow Range | 4–1000 mL/min |
| Temperature Range | −10 °C to 50 °C |
| Pressure Range | 101.3 kPa ±50 kPa |
| Accuracy | ΔQ < ±1% |
| Repeatability | < 0.5% |
| Flow Resolution | 0.1 mL/min |
| Time Resolution | 0.1 s (internal calculation to 0.01 s) |
| Power | Rechargeable 4.8 V battery (standby >24 h |
| External Power | 9 V DC input with integrated trickle charging |
| [Brand | Beifen Sanpu |
|---|---|
| Model | HPZM-103A |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Flow Range | 4–1000 mL/min |
| Temperature Range | −10 °C to 50 °C |
| Pressure Range | 101.3 kPa ±50 kPa |
| Accuracy | ΔQ < ±1% |
| Repeatability | < 0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.1 s (internal calculation to 0.01 s) |
| Power | Rechargeable 4.8 V battery (standby >24 h |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZM-102BB |
| Pricing | USD 560 (FOB) |
| Flow Measurement Principle | Volumetric (Soap Film Method) |
| Measuring Range | 1–1000 mL/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Flow Resolution | 0.1 mL/min |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Temperature & Pressure Compensation | Built-in sensors with real-time correction |
| Power Supply | Rechargeable 4.8 V / 700 mAh Li-ion battery (standby >24 h) |
| Dimensions | 90 × 150 × 280 mm |
| Weight | 1.3 kg |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | 50mL |
| Price Range | USD $0.15–750 |
| Type | Volumetric Flowmeter |
| Capacity | 50 mL |
| Construction | Borosilicate Glass Tube with Solvent-Resistant Scale |
| Operating Principle | Time-of-Travel Volumetric Measurement Using Soap Film |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | GL-103A |
| Price | USD 650 (approx.) |
| Flow Measurement Principle | Volumetric Displacement (Soap Film Method) |
| Flow Range | 2 mL/min to 2 L/min |
| Accuracy | ±1% of reading |
| Temperature & Pressure Compensation | Yes |
| Display | LCD with real-time P, T, V, Q readouts |
| Timing Resolution | 0.01 s (range: 0.1–600.0 s) |
| Power | Rechargeable 4.8 V / 700 mAh battery (standby >300 h |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Beifen Sanpu Instrument Co., Ltd. |
| Model | ZM-103B |
| Flow Range | 5 mL/min – 5 L/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Temperature & Pressure Compensation | Yes |
| Power | Internal 4.8 V / 1800 mAh rechargeable battery (standby >24 h) or external 9 V DC adapter |
| Dimensions | 90 mm × 150 mm × 280 mm |
| Weight | ~0.6 kg |
| Compliance | JJG 586–2006 “Verification Regulation for Soap Film Flowmeters” |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Beifen Sanpu Instrument Co., Ltd. |
| Model | ZM-103A |
| Flow Range | 2 mL/min – 2 L/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Operating Temperature Compensation | Built-in sensor (0–40 °C) |
| Pressure Compensation | Built-in sensor (60–110 kPa) |
| Power | Rechargeable 4.8 V / 1800 mAh Li-ion battery (standby >24 h) |
| Dimensions | 90 mm × 150 mm × 280 mm |
| Weight | 0.6 kg |
| Compliance | JJG 586–2006 Verification Regulation for Soap Film Flowmeters |
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