Environmental Monitoring Instruments
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| Brand | NOVA TECHNOLOGY Co., Ltd. |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | SDS3909 |
| Instrument Type | Online Particle Counter |
| Flow Rate | 2.83 L/min |
| Detection Threshold | 0.1 μm |
| Calibration Standard | ISO 21501-4 |
| Communication Interface | RS485 (Modbus RTU) |
| Particle Size Channels | 0.1, 0.15, 0.2, 0.25, 0.3, 0.5, 1.0, 5.0 μm |
| Brand | Novalynx |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | WS-16 |
| Instrument Type | Modular Environmental Monitoring System |
| Power Supply | 10–16 VDC |
| Max Current Draw | 60 mA |
| Serial Interface | 9-pin D-Sub (RS-232) |
| Onboard Memory | 128 KB RAM (expandable to 256 KB or 512 KB) |
| Operating Temperature (Data Logger) | –40 °C to +60 °C |
| Clock Accuracy | ±30 seconds/month |
| Wind Speed Range | 0–57 m/s |
| Wind Speed Resolution | >0.1 mph |
| Wind Speed Accuracy | ±1 mph |
| Wind Start Threshold | 0.8 mph |
| Wind Direction Range | 0–360° |
| Wind Direction Accuracy | ±3% |
| Temp. Range (Air) | –40 °F to +140 °F |
| Temp. Accuracy | ±1 °F |
| RH Range | 0–100% RH |
| RH Accuracy | ±3% (10–90% RH) |
| Barometric Pressure Range | 28.25–30.75 inHg (85 hPa span) |
| Pressure Resolution | ±0.01 inHg (±0.3 hPa) |
| Pressure Absolute Accuracy | ±0.05 inHg |
| Rainfall Resolution | 0.01 in/tip |
| Rainfall Accuracy | ±4% up to 3 in/hr |
| Solar Radiation Sensor | Silicon Pyranometer |
| Spectral Range | 0.4–1.1 µm |
| Sensitivity | ~80 mV per 1000 W/m² |
| Radiation Accuracy | ±5% |
| Enclosure Rating | NEMA-4X |
| Default Logging Interval | Configurable (e.g., 15 min) |
| Storage Capacity (6 sensors @ 15-min interval) | 45 days |
| Analog Input Resolution | 12-bit |
| Analog Accuracy | ±0.1% of full scale |
| Alarm Outputs | 2 relay outputs |
| Communication Options | RS-232 standard |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | NRF31 |
| Pricing | Available Upon Request |
| Detection Radiation Types | Gamma (γ) and X-rays, Neutrons |
| Detector Technology | Silicon Semiconductor |
| Dose Equivalent Range | 1 μSv – 9.999 Sv (0.1 mrem – 999.9 rem) |
| Accuracy | ±10% for γ/X-rays (0.1 mSv – 9.999 Sv, ¹³⁷Cs) |
| Energy Range | γ/X-rays: 35 keV – 6 MeV |
| Neutrons | 0.025 eV – 15 MeV |
| Energy Dependence | ±20% (γ/X), ±50% (neutrons) |
| Angular Dependence | ±20% (γ/X), ±30% (neutrons) |
| Battery Life | >1 year (8 h/day usage) or >4 months (continuous operation) |
| Dimensions | 60 W × 78 H × 33 D mm |
| Mass | ~125 g |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | NSN31045-111YY-S |
| Instrument Type | Portable |
| Instrument Kind | Spectrometer |
| Measured Medium | Solid |
| Detector Type | Gas-filled Proportional Counter |
| Radiation Type | Neutrons |
| Dose Rate Range | 0.01 μSv/h to 99.99 mSv/h |
| Dose Range | 0.01 μSv to 99.99 mSv |
| Energy Range | 0.025 eV to 15 MeV |
| Dose Rate Accuracy | ≤ ±15% at 10 μSv/h |
| Dose Accuracy | ≤ ±25% at 0.05 μSv |
| Angular Dependence | ≤ ±25% (±90° from reference axis) |
| Gamma Rejection | <1 mSv/h (effectively insensitive) |
| Battery Life | >12 h (continuous display) |
| Operating Temperature | –10 °C to +45 °C |
| Operating Humidity | 35–90% RH (non-condensing) |
| Dimensions | Φ164 mm × 289.5 mm |
| Weight | ~3 kg |
| Interface | USB |
| Compliance | IEC 61005 |
| Brand | NUVIA |
|---|---|
| Origin | Germany |
| Model | COMO170 |
| Instrument Type | Portable Radiation Contamination Monitor |
| Detector Type | ZnS(Ag)-coated Plastic Scintillator |
| Detection Area | 170 cm² |
| Display | 128×64 pixel backlit LCD |
| Measurement Units | cps, Bq, Bq/cm², nSv/h / µSv/h / mSv/h (with optional dose rate probe) |
| Radionuclide Library | 25 nuclides with user-defined calibration and auto-correction |
| Background Subtraction | Selectable (on/off), background measurement duration configurable |
| Measurement Modes | Fixed-time (1–9999 s) or statistical error-based termination |
| Operating Temperature | –10 °C to +40 °C (optional –20 °C variant) |
| Power Supply | 2 × AA 1.5 V alkaline or NiMH rechargeable batteries (25 h typical runtime) |
| Weight | 750 g (including batteries) |
| Dimensions | 280 × 125 × 135 mm |
| Intrinsic Alpha Efficiency (100 cm² reference) | ≥35% for ²⁴¹Am |
| Beta Efficiency (100 cm²) | ≥40% for ⁹⁰Sr/⁹⁰Y |
| Housing | Ergonomic, impact-resistant polymer casing |
| Optional Configurations | COMO170F (firefighter-optimized), COMO170D (dual-detector: scintillator + front-mounted GM tube) |
| Brand | Nuvia |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | ISOMED 2010 |
| Instrument Type | Laboratory Activity Meter (Dose Calibrator) |
| Measured Medium | Gaseous Radionuclides |
| Detector Type | Pressurized Ionization Chamber |
| Energy Range | 25 keV – 3 MeV |
| Application Focus | Nuclear Medicine, Radiopharmaceutical Quality Control, Radioisotope Production Facilities |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | O3-LIDAR |
| Laser Source | Nd:YAG-based UV laser system (266 nm fundamental, 289 nm & 316 nm Raman-shifted) |
| Detector | High-quantum-efficiency photomultiplier tubes (PMTs) with solar-blind UV response |
| Operating Wavelengths | 289 nm and 316 nm (DIAL pair) |
| Maximum Detection Altitude | Up to 25 km (dependent on atmospheric conditions) |
| Pulse Repetition Frequency | 20–50 Hz |
| Brand | OAI |
|---|---|
| Origin | USA |
| Model | TriSOL Solar Power Meter |
| Measurement Unit | suns (1 sun = 1000 W/m² at AM1.5G, 25°C) |
| Calibration Traceability | NIST-accredited per ISO/IEC 17025, traceable to NREL |
| Reference Cell Standard | IEC 60904-2 |
| Temperature Input | Dual-channel — Type-K thermocouple & RTD (100 Ω Pt) |
| Data Interface | USB 2.0 |
| Power Supply | AC adapter or rechargeable Li-ion battery |
| Temperature Display | °C / °F selectable |
| Readout Modes | Continuous & peak-hold |
| Peak Averaging | User-configurable window |
| Compliance | GLP-compliant data logging, FDA 21 CFR Part 11–ready software architecture |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | 35615-20 |
| Price Range | USD 1–4,999 |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Electrochemical Galvanic Cell Probe |
| Measurement Range | 0.00–19.9 mg/L (ppm) |
| Accuracy | ±1.5% of full scale |
| Repeatability | ±0.05% of reading |
| Detection Limit | 0.00 mg/L (±2% relative error at low concentration) |
| Saturation Range | 0.0–199.9% |
| Saturation Accuracy | ±1.5% of full scale |
| Temperature Range | 0–50 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Temperature Compensation | Automatic or manual, 0–50 °C |
| Data Storage | 100 readings |
| Interface | RS232 serial output |
| Power | 4 × 1.5 V AA batteries (>200 hours continuous operation) |
| Dimensions | 8.9 × 18.6 × 4.4 cm (W × H × D) |
| IP Rating | IP67 (for optional field-capable configurations) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 05991-36 |
| Price Range | USD $1–4,999 |
| Instrument Type | Laboratory |
| Measurement Principle | Electrochemical Clark-type Polarographic Probe |
| Measurement Range | 0–19.99 mg/L (DO), 0–600.0% saturation |
| Accuracy | ±0.5% of full scale (DO), ±0.002 pH units |
| Repeatability | ±0.15% of reading |
| Detection Limit | 0.01 mg/L (DO), 0.1% saturation |
| Temperature Range (for DO mode) | 0–50 °C |
| Temperature Compensation | Automatic or manual (0–50 °C) |
| Salinity Compensation | Manual or automatic (0–50 ppt) |
| Atmospheric Pressure Compensation | Manual or automatic (450–825 mmHg) |
| Data Storage | 500 measurement sets with timestamp |
| Interface | RS232 serial output |
| Dimensions | 15.5 × 17.5 × 6.9 cm (L×W×H) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 35805-54 |
| Instrument Type | Laboratory Benchtop/Field-Portable |
| Measurement Principle | Galvanic Cell Electrochemical Probe |
| Dissolved Oxygen Range | 0.00–80.00 mg/L (ppm) |
| Accuracy | ±0.2 mg/L (at 25 °C, within 0–20 mg/L range) |
| Repeatability | ±0.05% of reading |
| Detection Limit | 0.00 mg/L ± 2% of full scale |
| Temperature Compensation | Automatic or manual (0–50 °C) |
| IP Rating | IP67 |
| Data Storage | 50 readings |
| Dimensions (W×H×D) | 8.9 × 18.6 × 4.4 cm |
| Probe Cable Length | 15 m |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | 35613-22 |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Galvanic Cell Electrochemical Probe |
| Dissolved Oxygen Range | 0.00–20.00 mg/L (ppm) |
| Saturation Range | 0.0–200.0% |
| DO Accuracy | ±1.5% of full scale |
| Saturation Accuracy | ±1.5% of full scale |
| Resolution | 0.01 mg/L and 0.1% |
| Repeatability | ±0.05% FS |
| Detection Limit | ±2% FS |
| Temperature Range (for DO measurement) | 0–50 °C |
| Temperature Accuracy | ±0.5 °C |
| Temperature Compensation | Automatic or Manual (0–50 °C) |
| Power | 4 × AA batteries (≈500 hours life) |
| Dimensions | 15.7 × 8.5 × 4.2 cm (L×W×H) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 35418-00 |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Electrochemical Galvanic Cell Probe |
| Measurement Range | 0.00–80.00 mg/L (ppm) |
| Accuracy | ±0.2 mg/L |
| Repeatability | ±0.05% of reading |
| Detection Limit | 0.00 mg/L with ±2% relative error |
| Origin | USA |
|---|---|
| Instrument Type | Laboratory Benchtop |
| Measurement Principle | Galvanic Cell Electrochemical Probe |
| Range | 0.00–80.00 mg/L |
| Accuracy | ±0.2 mg/L |
| Repeatability | ±0.05% of reading |
| Detection Limit | 0.00 mg/L (±2 digits at zero) |
| Temperature Compensation | Automatic or Manual (0–50 °C) |
| Atmospheric Pressure Compensation | Automatic or Manual (450–825 mmHg) |
| Salinity Compensation | Automatic or Manual (0–50 ppt) |
| Data Storage | 100 readings |
| Dimensions | 15.5 × 17.5 × 6.9 cm (L×W×H) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | OASIS GMK-770S |
| Pricing | Upon Request |
| Instrument Category | Soil Moisture / Water Potential Analyzer |
| Measurement Principle | Capacitance-based Dielectric Sensing |
| Soil Types Supported | Sandy Loam, Loam, Clay Loam |
| Absolute Moisture Range | 7.0–35.0% w/w |
| Resolution | 1% |
| Accuracy | ±3% |
| Measurement Time | ~10 s |
| Temperature Compensation | Automatic |
| Display | Large LCD with Dual-Parameter Readout |
| Power Supply | 9 V alkaline battery (IEC 6LR61) |
| Dimensions (W×L×H) | 85 × 170 × 36 mm |
| Sensor Probe Length | 480 mm |
| Net Weight | ~2.0 kg |
| Origin | UK |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | OCD50 |
| Pricing | Upon Request |
| Brand | Ocean Optics |
|---|---|
| Origin | USA |
| Model | PlasCalc |
| Spectral Range | 200–1100 nm |
| Optical Resolution | 1.0 nm (FWHM) |
| A/D Conversion | 14-bit |
| Digital I/O | 8 × TTL |
| Analog Outputs | 4 × [0–10 V] |
| Interface | USB 1.1 |
| Power Supply | 12 VDC @ 1.25 A |
| Measurement Speed | ≤3 ms per spectrum |
| Ion Detection Capability | Multi-ion (indirect via spectral emission analysis) |
| Brand | Octopus |
|---|---|
| Origin | Germany |
| Model | SAMILLA FIM FL |
| Camera Resolution | 12 MP |
| Magnification | 40× |
| Particle Detection Principle | Morphological Image Analysis |
| Measurable Size Range | 0.2 µm – 2 mm |
| Imaging Modes | Transmission Light (standard), Reflectance Light (optional) |
| Compliance | USP <788>, USP <789>, Ph. Eur. 2.9.19, ISO 21501-4, FDA 21 CFR Part 11 |
| Software | SMILLA View with Audit Trail, LIMS Integration, and GLP/GMP Workflow Support |
| Brand | IDES |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 1015 |
| Pricing | Available Upon Request |
| Brand | IDES |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 1010 |
| Pricing | Available Upon Request |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | A-AP30OZ |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Ozone (O₃) |
| Light Source | Multi-wavelength LED |
| Detection Principle | Absorption Photometry (Fixed-Wavelength) |
| Data Storage | 5,000 measurement records |
| Power Supply | 4 × AAA batteries |
| Display | High-brightness OLED |
| Connectivity | Built-in micro-USB interface |
| Enclosure Rating | IP67-rated housing (dust-tight and water-immersible up to 1 m for 30 min) |
| Operating Temperature | 0–50 °C |
| Relative Humidity | ≤90 % RH (non-condensing) |
| Dimensions | 165 × 82 × 45 mm |
| Weight | 280 g (without batteries) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | AP30AM |
| Instrument Type | Portable / Handheld Photometer |
| Measured Parameter | Ammonia-Nitrogen (NH₃-N) |
| Light Source | Multi-wavelength LEDs |
| Detection Principle | Absorption Photometry (Fixed-Wavelength Spectrophotometry) |
| Data Storage | 5,000 measurement records |
| Power Supply | 4 × AAA batteries |
| Display | High-brightness OLED |
| Interface | Built-in micro-USB port |
| Enclosure Rating | IP67-rated waterproof and dustproof housing |
| Dimensions & Weight | Compact handheld form factor (<200 g, <180 mm length) |
| Auto-Power-Off | Yes |
| Standard Accessories | Carrying case, cuvette holder, calibration standards, reagent kits for NH₃-N |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AP30CD |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Light Source | Multi-wavelength LED |
| Detection Principle | Absorption Photometry (Fixed-Wavelength Colorimetry) |
| Display | High-Brightness OLED |
| Power Supply | 4 × AAA Batteries |
| Data Storage | 5,000 Measurement Records |
| Interface | Integrated Micro-USB Port |
| Enclosure Rating | IP67-rated Waterproof & Dustproof Housing |
| Auto Power-Off | Yes |
| Included Accessories | Portable Carrying Case, Reagent Kits (ClO₂-specific), Calibration Standards, USB Cable |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AP30CLD |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Free Chlorine & Total Chlorine |
| Light Source | Multi-wavelength LEDs |
| Detection Principle | Absorption Photometry (Fixed-Wavelength Spectrophotometry) |
| Data Storage | 5,000 Measurement Records |
| Display | High-Brightness OLED |
| Power Supply | 4 × AAA Batteries |
| Interface | Built-in Micro-USB Port |
| Enclosure Rating | IP67 (Dust-Tight & Immersion-Resistant to 1 m for 30 min) |
| Dimensions | 162 × 78 × 42 mm |
| Weight | 220 g (without batteries) |
| Operating Temperature | 0–50 °C |
| Relative Humidity | ≤90 % RH (non-condensing) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | AP30CLH |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Free Chlorine & Total Chlorine |
| Light Source | Multi-wavelength LED (525 nm, 610 nm) |
| Detection Principle | Absorption Photometry (Colorimetric Method per DPD Chemistry) |
| Data Storage | 5,000 measurement records with timestamp |
| Power Supply | 4 × AAA batteries (alkaline or Ni-MH) |
| Battery Life | >20,000 measurements per set (typical usage) |
| Enclosure Rating | IP67 |
| Interface | Micro-USB (for data export and firmware update) |
| Display | High-brightness monochrome OLED (128 × 64 pixels) |
| Auto-Power-Off | Adjustable (1–30 min) |
| Dimensions | 165 × 78 × 42 mm |
| Weight | 220 g (without batteries) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AP30CLL |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | Free Chlorine & Total Chlorine |
| Light Source | Multi-wavelength LEDs (525 nm, 610 nm) |
| Detection Principle | Absorption Photometry (Beer-Lambert Law) |
| Data Storage | 5,000 measurement records with timestamp and sample ID |
| Power Supply | 4 × AAA alkaline batteries (typical runtime: >2,000 measurements per set) |
| Display | High-brightness monochrome OLED (128 × 64 pixels) |
| Enclosure Rating | IP67 (dust-tight and submersible up to 1 m for 30 min) |
| Interface | Micro-USB (for data export and firmware update) |
| Compliance | Designed to support ASTM D1253, ISO 7393-2, and EPA Method 334.0 workflows |
| Dimensions | 165 × 78 × 42 mm |
| Weight | 220 g (without batteries) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | a-AP30MC |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH, Ammonia-N, Nitrite, Dissolved Oxygen (DO), Phosphate, Sulfide, Free Chlorine, Total Chlorine, Urea, Chlorine Dioxide, Ozone, Nitrate |
| Light Source | Multi-wavelength LED array |
| Display | High-brightness OLED screen |
| Power Supply | 4 × AAA batteries |
| Data Storage | Up to 5,000 measurement records |
| Auto Power-Off | Enabled |
| Communication Interface | Built-in micro-USB port |
| Enclosure | Rugged portable carry case |
| Compliance | Designed for field-deployable water quality testing per ASTM D1293 (pH), ASTM D3370 (DO), ISO 7888 (chlorine), and EPA Method 350.1 (nitrate/nitrite) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AP30PM |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Free Chlorine, Total Chlorine, pH, Urea, Chlorine Dioxide, Ozone |
| Data Storage Capacity | 5,000 Results |
| Optical Principle | LED-based Spectrophotometry with Multi-Wavelength Sources |
| IP Rating | IP67 (Dust-tight and Immersion-resistant up to 1 m for 30 min) |
| Power Supply | Rechargeable Lithium-ion Battery (Typical Operation Time: ≥20 Hours per Charge) |
| Interface | USB-C for PC Data Export |
| Sample Volume Requirement | ≤2.0 mL per Test |
| Response Time | <15 Seconds (Post-Reagent Addition) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AP40COD |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Chemical Oxygen Demand (COD) |
| Battery Life | Up to 10,000 measurements per charge |
| Data Storage | 30,000 test records with timestamp (date & time) |
| Design | Ruggedized housing with integrated carry case |
| Measurement Method | Colorimetric (Dichromatic Absorption at Defined Wavelengths) |
| Compliance Support | ASTM D1253, ISO 6060, EPA 405.1 (for COD via dichromate digestion) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AP40DC |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurable Parameters | Free Chlorine, Total Chlorine, Chlorine Dioxide, PPA (Peroxymonosulfuric Acid), Total Bromine |
| Battery Life | Up to 10,000 measurements per charge |
| Data Storage Capacity | 30,000 test records with timestamp (date & time) |
| Enclosure | Ruggedized portable carry case included |
| Reagent Compatibility | Pre-filled, factory-calibrated reagent vials and optional reagent kits available |