NPD Seed Germinator
Single / Dual Chamber | Model NPD-243 | LCD or HMI-PLC TFT Controller
The NPD-243 Seed Germinator is a forced-convection laboratory chamber developed for controlled seed germination, routine seed testing, biological studies, agricultural research and forestry applications. Choose a single-chamber or dual-chamber configuration with microprocessor LCD or HMI-PLC TFT temperature control.
Controlled Conditions for Seed Germination & Research
The NPD Seed Germinator uses forced airflow, insulated construction, refrigeration and heating control to provide an environment for germination and seed-science work. Its coaxial blower and triple-walled rear ducting support temperature uniformity, while adjustable SS-304 shelves allow flexible sample placement.
A stainless-steel water reservoir at the bottom creates high humidity for germination. This is a passive system: the stated 90–95% RH (+3% RH) is not electronically adjustable. Single- and dual-chamber configurations are offered with a choice of LCD or TFT controls.
Key Features & Benefits
Features described in the NPD-243 product document.
Uniform Forced-Air Circulation
Coaxial blower and triple-walled rear ducting promote stable temperatures throughout the chamber.
Two Controller Choices
Choose a microprocessor LCD controller with SV/PV display or an HMI-PLC TFT touch screen.
Natural High-Humidity Environment
The stainless-steel water reservoir generates approximately 90–95% RH (+3% RH); humidity is not adjustable.
Robust Insulated Construction
SS-304 inner chamber and shelves, powder-coated CRC outer body and high-density PUF insulation.
Sample Visibility & Flexibility
Inner plexiglass viewing door, adjustable shelves and door-operated lamp support routine inspection.
Cooling & Operator Safeguards
Air-cooled hermetic compressor, finned-tube evaporator, over-temperature limiter and supply-voltage display.
Technical Specifications
NPD Seed Germinator NPD-243 — as stated in the supplied product document.
| Parameter | Specification |
|---|---|
| Make | NPD |
| Primary model | NPD-243 |
| Configuration | Single chamber / Dual chamber |
| Type | Forced Convection Seed Germinator |
| Temperature range | 5°C to 60°C in first chamber; ambient +5°C to 60°C in second chamber |
| Temperature accuracy | ±1°C at 37°C |
| Temperature controller | Microprocessor-based PID digital LCD controller (Set Value and Process Value) or HMI-PLC TFT touch-screen controller |
| Humidity generation | SS water reservoir at chamber bottom; not electronically adjustable |
| Humidity range | 90% to 95% (+3% RH), as specified |
| Inner chamber and trays | Stainless Steel SS-304 |
| Outer body | Powder-coated CRC sheet |
| Insulation | High-density PUF insulation |
| Refrigeration system | Hermetically sealed air-cooled compressor |
| Evaporator | Finned-tube evaporator |
| Air circulation | Coaxial blower; forced convection via triple-walled rear ducting |
| Safety device | Over-temperature limiter switch |
| Monitoring | Electronic digital voltmeter |
| Door | Double-walled front door with lock and key; inner plexiglass viewing door |
| Door sealing | Magnetic gum packing |
| Internal lamp | Door-operated illumination lamp |
| Mobility | Caster wheels |
| Electrical supply | 220/230 V AC, 50/60 Hz |
The supplied document lists detailed capacities and internal dimensions for dual-chamber variants. Do not assume these apply to the single-chamber configuration.
LCD vs TFT Model Specifications
Both documented dual-chamber variants have the same size and nominal capacity; their controller interface differs.
| Parameter | SGDC-11(LCD) | SGDC-11(TFT) |
|---|---|---|
| Model | SGDC-11(LCD) | SGDC-11(TFT) |
| Controller | Microprocessor-based PID digital LCD | HMI-PLC TFT touch screen |
| Internal dimensions | 555 × 605 × 910 mm × 2 chambers | 555 × 605 × 910 mm × 2 chambers |
| Total capacity | 620 L (310 L + 310 L) | 620 L (310 L + 310 L) |
| Total volume | 22 cu ft (11 + 11 cu ft) | 22 cu ft (11 + 11 cu ft) |
| Number of shelves | 28 (14 + 14) | 28 (14 + 14) |
| Chamber 1 temperature | 5°C to 60°C | 5°C to 60°C |
| Chamber 2 temperature | Ambient +5°C to 60°C | Ambient +5°C to 60°C |
| Temperature accuracy | ±1°C at 37°C | ±1°C at 37°C |
Control, Humidity & Protection
Temperature Control Options
- Microprocessor-based PID temperature controller with LCD display
- LCD display shows Set Value (SV) and Process Value (PV)
- HMI-PLC TFT touch screen offers a colour display and process visualisation
- Documented temperature accuracy: ±1°C at 37°C
Chamber Construction
- SS-304 chamber interior, trays and adjustable shelves
- Powder-coated CRC outer body with high-density PUF insulation
- Double-walled front door, lock and key, and inner plexiglass viewing door
- Magnetic gasket, internal door-operated lamp and caster wheels
Humidity & Refrigeration
- SS water reservoir at chamber bottom for naturally generated high humidity
- Approximately 90–95% RH (+3% RH); humidity is not adjustable
- Hermetically sealed air-cooled refrigeration compressor
- Finned-tube evaporator and forced convection via coaxial blower
Safety & Electrical
- Over-temperature limiter switch protects against overheating
- Electronic digital voltmeter monitors incoming supply voltage
- 220/230 V AC, 50/60 Hz electrical supply
- Allow adequate ventilation, earthing and safe service access
Options & Installation Requirements
Optional Illumination
Fluorescent illumination with a 0–24 hour cyclic timer provides programmed light/dark conditions for both chambers. This option is suited to photoperiod, germination and plant-growth studies.
Optional accessory — specify it when ordering.
Installation Checklist
- Use 220/230 V AC, 50/60 Hz supply
- Position the equipment on a level, stable floor
- Provide ventilation and compressor service clearance
- Fill the SS reservoir with clean water before operation
- Ensure proper electrical earthing and protection
Applications
Research and testing uses stated in the supplied NPD Seed Germinator document.
Product FAQs
What is the operating temperature range?
In the documented dual-chamber setup, Chamber 1 operates from 5°C to 60°C; Chamber 2 operates from ambient +5°C to 60°C. Temperature accuracy is ±1°C at 37°C.
Can I independently set the humidity level?
No. The document specifies that humidity is not adjustable. The stainless-steel water reservoir produces approximately 90–95% RH (+3% RH).
Which control options are available?
Microprocessor PID LCD control showing Set Value (SV) and Process Value (PV), or HMI-PLC TFT touch-screen control.
What is the capacity of a dual-chamber model?
Both SGDC-11(LCD) and SGDC-11(TFT) are specified at 620 L total (310 L + 310 L), with 28 shelves in total (14 in each chamber).
Is photoperiod lighting included?
Fluorescent illumination with a 0–24 hour cyclic timer is specified as an optional accessory; request it when ordering.
What electrical supply is required?
The documented supply requirement is 220/230 V AC at 50/60 Hz. Follow the installation instructions for earthing and ventilation.
Is the Seed Germinator offered in a single-chamber version?
Yes. The product document lists single- and dual-chamber configurations. Detailed dimensions and capacity are provided only for the dual-chamber SGDC-11 models.
Need a Seed Germinator?
Share whether you need a single or dual chamber, your preferred LCD or TFT controller, temperature set points, shelf requirements and any optional cyclic illumination to receive a suitable quotation.