Environmental Monitoring Instruments
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| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 1000 |
| Instrument Type | Vane Anemometer |
| Resolution | 0.1 m/s |
| Measurement Range | 0.4–60 m/s |
| Accuracy | ±3% of reading |
| Operating Temperature | −10 °C to +55 °C |
| Operating Humidity | 0–100% RH |
| Power Source | CR2032 lithium coin cell (typical battery life: 300 hours) |
| Compliance | MIL-STD-810F drop-tested, IP67-rated waterproof, floatable |
| Certifications | Manufacturer’s Certificate of Conformance (COC) |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 2000 |
| Instrument Type | Vane Anemometer |
| Resolution | 0.1 m/s |
| Measurement Range | 0.4–60 m/s |
| Accuracy | ±3% of reading |
| Operating Temperature | −10 to +55 °C |
| Operating Humidity | 0–100% RH |
| Ingress Protection | IP67 |
| Drop Tested | MIL-STD-810F |
| Power Source | CR2032 coin cell (typical life: 300 hours) |
| Auto-off | After 45 minutes of inactivity |
| Floatable | Yes |
| Replaceable Components | Propeller vane, battery |
| Certifications | Kestrel Certificate of Conformance (COC) |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 2500 |
| Instrument Type | Rotational Cup Anemometer |
| Resolution | 0.1 m/s |
| Measurement Range | 0.4–60 m/s |
| Accuracy | ±3% of reading |
| Operating Temperature | −10 to +55 °C |
| Operating Humidity | 0–100% RH |
| Power Source | CR2032 lithium battery (typical life: 300 hours) |
| Auto-off | After 45 minutes of inactivity |
| IP Rating | IP67 (dust-tight and submersible up to 1 m for 30 min) |
| Floatable | Yes |
| Display | Backlit LCD (red backlight on “Night Green” variant) |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | NK4400 |
| Instrument Type | Handheld Weather Station |
| IP Rating | IP67 (Submersible to 1 m for 30 min) |
| Drop Tested | MIL-STD-810F |
| Display | Backlit LCD (Blue/White) |
| Power | CR2032 Coin Cell Battery |
| Certifications | CE, RoHS, NIST-Traceable Calibration Documentation Included |
| Key Measurements | Wind Speed (m/s, mph, knots, km/h), Relative Humidity (%RH), Dew Point Temperature (°C/°F), Heat Stress Index (WBGT — Wet-Bulb Globe Temperature equivalent), Wind Chill Temperature (°C/°F) |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 3500 |
| Instrument Type | Handheld Weather Station |
| Power Source | CR2032 Lithium Battery (300-hour typical life) |
| Auto-off | After 45 minutes of inactivity |
| Environmental Rating | Waterproof, Shock-resistant, Floatable |
| Display | Backlit LCD (red backlight on grass-green variant) |
| Wind Sensor | Precision cup anemometer with high-grade bearings and low-inertia impeller |
| Sensor Integration | Integrated temperature, relative humidity, and barometric pressure sensors |
| Units | Selectable wind speed units (m/s, mph, knots, km/h, ft/min) |
| Measurement Parameters | Current wind speed, average wind speed, maximum wind speed, ambient temperature, wind chill, relative humidity, heat index, dew point temperature, wet-bulb temperature, barometric pressure, altitude |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 3500DT |
| Instrument Type | Handheld Weather Station |
| Enclosure Rating | IP67 (Waterproof & Floatable) |
| Display | Backlit LCD (9 mm digit height) |
| Power | CR2032 coin cell (up to 300 hours) |
| Auto-off | After 45 minutes of inactivity |
| Compliance | MIL-STD-810F drop-tested |
| Construction | High-impact polymer housing with fully sealed electronics |
| Included Accessories | Neck lanyard, protective boot, COC certificate, user manual |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 3500NV |
| Instrument Type | Handheld Weather Station |
| IP Rating | IP67 |
| Drop Tested | MIL-STD-810G |
| Display | High-contrast monochrome LCD |
| Backlight | Night-Vision (NV) optimized red-orange spectral filter |
| Power | 1× CR2032 battery |
| Sensors | Proprietary external-isolation temperature sensor, capacitive humidity sensor, impeller-based anemometer, piezoresistive barometric pressure sensor |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 5000 |
| Instrument Type | Handheld Weather Station |
| IP Rating | IP67 |
| Drop Resistance | MIL-STD-810G compliant |
| Battery | AA alkaline (400 hr typical life) |
| Data Logging Capacity | >10,000 timestamped records |
| Wireless Connectivity | Bluetooth Smart® (via Kestrel LiNK app) |
| Dimensions | 6.5 × 7.5 × 22 cm |
| Weight | 295 g (with wind vane kit) |
| Operating Temperature | –20 °C to 60 °C |
| Waterproof | Yes (submersible to 1 m for 30 min) |
| Floatable | Yes |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 5200 |
| Instrument Type | Vane Anemometer |
| Resolution | 0.1 m/s |
| Measurement Range | 0.4–60 m/s |
| Accuracy | ±3% of reading |
| Operating Temperature | −10 to +55 °C |
| Operating Humidity | 0–100% RH |
| IP Rating | IP67 |
| Data Logging Capacity | >10,000 timestamped records |
| Power | Two AA batteries (≈400 h typical life) |
| Wireless Connectivity | Bluetooth Smart® (Kestrel LiNK compatible) |
| Display | High-contrast, sunlight-readable LCD with dual-color backlight |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 5400 |
| Instrument Type | Vane Anemometer |
| Resolution | 0.1 m/s |
| Measurement Range | 0.4–60 m/s |
| Accuracy | ±3% |
| Operating Temperature | −10 to 55 °C |
| Operating Humidity | 0–100% RH |
| IP Rating | IP67 |
| Data Logging Capacity | >10,000 timestamped records |
| Power | AA batteries (≈400 h typical life) |
| Wireless Connectivity | Bluetooth Smart® (Kestrel LiNK) |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 5500 |
| Type | Handheld Weather Station |
| IP Rating | IP67 |
| Drop Resistance | MIL-STD-810G |
| Battery | AA (up to 400 hrs) |
| Data Logging Capacity | >10,000 timestamped records |
| Wireless Connectivity | Bluetooth Smart® (Kestrel LiNK iOS/Android) |
| Dimensions | 6.5 × 7.5 × 22 cm |
| Weight | 295 g |
| Display | High-contrast, backlit LCD with dual-color illumination |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 401 |
| Pricing | Available Upon Request |
| Conversion Principle | Molybdenum Oxide (MoO₃) at 325 °C |
| Dimensions (H×W×D) | 10 cm × 19 cm × 24 cm |
| Weight | 2.2 kg |
| Power Supply | 110 V or 220 V AC, 90 W (max), 45 W (steady-state) |
| Sample Flow Rate | 1.0 L/min |
| NO/NOₓ Measurement Mode Options | Continuous NO, Continuous NOₓ, or Cyclic Switching (5 min, 15 min, or 60 min intervals) |
| Zero Frequency Options | Disabled, Continuous, or Periodic (30 min, 1 h, 4 h) |
| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 180S |
| Detection Range | 30–1000 ppm (standard scale), 10–200 ppm (low-range scale) |
| Pack Size | 5 tubes per box, 2 boxes per set |
| Compatible Pump | AP-20 Hand Pump |
| Brand | MeiKo Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 250S1 |
| Price | USD 42 (approx.) |
| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 111U |
| Price | USD 0.12 (per tube, FOB Japan) |
| Detection Principle | Colorimetric Reaction via Capillary Diffusion |
| Measurement Range | 10–1000 ppm (as ethyl acetate, v/v) |
| Pack Size | 10 tubes per box |
| Compatible Pump | AP-20 Manual Bellows Pump |
| Response Time | 100 strokes (≈60–90 s) |
| Shelf Life | 24 months from manufacture date (stored at 5–30 °C, dry, dark) |
| Calibration Traceability | Certified against NIST-traceable ethyl acetate gas standards |
| Compliance | Meets JIS K 0804:2017 and ISO 8573-2:2010 Annex B for colorimetric tube methodology |
| Brand | Guangming Physical Chemistry |
|---|---|
| Origin | Beijing, China |
| Model | 250S |
| Detection Range | 0.21–100 ppm |
| Resolution | 0.1 ppm |
| Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Required Accessories | AP-20 Hand Pump (sold separately) |
| Compliance | Designed for field use per ISO 8573-1 (air quality), ASTM D679 (standard practice for colorimetric gas detection tubes), and OSHA 29 CFR 1910.1200 (Hazard Communication) |
| Brand | Meikou Rika |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 109SA, 109SB, 109U |
| Price | USD 24.50 (excl. tax & shipping) |
| Brand | Meikai Rikagaku |
|---|---|
| Origin | Japan |
| Model | 118SC |
| Measurement Range | 4–100 ppm (primary scale), with secondary scales of 2–50 ppm and 1–25 ppm |
| Pack Size | 10 tubes per box |
| Detection Principle | Colorimetric reaction via impregnated reagent layer |
| Required Accessories | AP-20 manual air sampling pump |
| Compliance | Designed per JIS K 0321 (Japanese Industrial Standard for gas detection tubes) |
| Portability | Handheld, battery-free, ignition-free operation |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 301 |
| Pricing | Available Upon Request |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 900NHH |
| Pricing | Available Upon Request |
| Brand | Meikun Rikagaku |
|---|---|
| Origin | Japan |
| Type | Imported |
| Models | 117SA (20–1000 ppm), 117SB (0.5–30 ppm), 117SD (0.1–1.0 ppm), 740 (0.01–0.1 ppm / 0.02–0.2 ppm) |
| Pack Size | 117SA/117SB: 10 tubes/box |
| 117SD | 5×2 tubes/box |
| 740 | 10 tubes/box |
| Compatible Pump | AP-20 hand pump (standard), ASP-1200 electric pump (required for Model 740) |
| Principle | Colorimetric reaction via impregnated reagent layer |
| Measurement Method | Visual readout of stain front position against calibrated scale |
| Safety | Battery-free, spark-free, intrinsically safe for field use |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | P-51 |
| Pricing | Upon Request |
| Detection Principle | Colorimetric Tube Method (Gas-Sensitive Chemical Reaction) |
| Power Requirement | None (Manual Hand Pump Operation) |
| Portability | Integrated Portable Carrying Case (ZG-1) |
| Compliance | Designed for field use in accordance with JIS K 0201, ISO 8573-2 (gas sampling principles), and OSHA 29 CFR 1910.120 (HAZWOPER field screening protocols) |
| Brand | Meikang Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 163SA |
| Pricing | Available Upon Request |
| Brand | Komyo Rikagaku (Komyo Chemical Co., Ltd.) |
|---|---|
| Origin | Japan |
| Tube Models | 112SA, 112SB, 112SC, 112ST |
| Detection Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Measuring Ranges | 112SA: 0.01–3% (v/v) |
| 112SB | 2–100 ppm, 0.25–25 ppm, and 4.6–230 ppm (three-scale dual-range tube) |
| 112SC | 0.3–8 ppm |
| 112ST | 20–2500 ppm |
| Sampling Volume | 100 mL (standard, using AP-20 manual air pump) |
| Calibration Traceability | NIST-traceable reference gas standards used during manufacturing |
| Shelf Life | 24 months from manufacture date when stored at ≤30°C and protected from light and moisture |
| Compliance | Designed in accordance with JIS K 0321 (Japanese Industrial Standard for Gas Detection Tubes), compatible with ISO 8573-2 (compressed air purity) and OSHA 29 CFR 1910.120 (HAZWOPER) field screening protocols |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 119SA, 119U |
| Pricing | Upon Request |
| Detection Range (119SA) | 0.05–6.0% v/v |
| Detection Range (119U) | 20–1000 ppm |
| Pack Size (119SA) | 10 tubes/box |
| Pack Size (119U) | 10 tubes/box |
| Pack Size (104SB) | 5×2 tubes/box (20–300 ppm) |
| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 721 |
| Unit Price | USD 0.95 (FOB Yokohama) |
| Brand | Meiko Rika |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 187S |
| Pricing | Available Upon Request |
| Brand | Meikō Rikagaku |
|---|---|
| Origin | Japan |
| Model | 121SA, 121SB |
| Detection Range (121SA) | 20–800 ppm in acetylene |
| Detection Range (121SB) | 5–90 ppm in acetylene |
| Operating Principle | Colorimetric reaction with calibrated glass tube |
| Required Sampling Device | AP-20 handheld pump |
| Compliance | Designed per JIS K 0321 and ISO 8573-6 for qualitative/semi-quantitative gas analysis |
| Unit Packaging | Single-use, sealed glass ampoules |
| Shelf Life | 24 months from manufacture when stored at ≤25°C and protected from light |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model Numbers | 103SC, 103SE |
| Price | USD 28.50 per box (10 tubes) |
| Detection Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Sampling Method | Manual Aspiration via AP-20 Hand Pump |
| Measurement Ranges | 103SC: 20–300 ppm |
| 103SE | 0.5–10 ppm and 0.25–5 ppm (dual-scale) |
| Tube Format | Glass, sealed, single-use |
| Calibration Traceability | Factory-calibrated per JIS K 0321 and ISO 8573-6 |
| Compliance | Meets OSHA PEL and NIOSH REL interpretation protocols for field screening |
| Operating Conditions | 5–40 °C, RH ≤ 90% (non-condensing) |
| Shelf Life | 24 months from manufacture date (refrigerated storage recommended) |
| Brand | Nova |
|---|---|
| Origin | Canada |
| Model | 317 |
| Detection Principle | NDIR (Non-Dispersive Infrared) |
| Measurement Range | 0–100.0% propane (C₃H₈) equivalent |
| Resolution | 0.1% propane |
| Accuracy & Repeatability | ±2% of full scale |
| Drift | <2% of full scale per week |
| Response Time (T₉₀) | 10–15 s |
| Operating Temperature | 0–50 °C |
| Linearity | ±2% of full scale |
| Dimensions (WP Type) | 25.5 × 19 × 16.5 cm |
| Weight | 3.6 kg |
| Power | AC/DC operation |
| Output Options | 4–20 mA or 0–1 VDC |
| Alarm | Optional high-hydrocarbon alarm |
| Enclosure | WP-rated housing with transparent cover |
| Sensor | Solid-state infrared detector (no moving parts) |
| Integrated Components | Built-in sample pump, particulate filter, precision flowmeter, stainless steel probe, and coiled sampling hose |