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Minimum-Maximum Thermometer with Hygrometer – Vintage Brass Finish
This analog climate monitoring instrument is designed for simultaneous tracking of current, maximum, and minimum temperatures along with relative humidity. The device incorporates a bimetallic strip mechanism for temperature measurement. As ambient temperature changes, the main indicator hand (black) moves accordingly, mechanically pushing the secondary red and blue markers to record the highest and lowest temperatures reached. The red hand indicates the daily maximum, while the blue hand captures the daily minimum. These markers are reset manually via two independent knurled metallic knobs mounted on the dome—bottom knob resets maximum, top knob resets minimum. The hygrometer continuously displays current relative humidity as a dial reading. This unit is wall-mountable via an integrated rear keyhole slot, requires no electrical power, and is suitable for environments where continuous monitoring of climate variability is necessary.
Product Specifications
| SKU | DIALWTH2 |
| Temperature Range | -20°C to 50°C / -4°F to 122°F |
| Accuracy | ±2°C (±3.6°F) |
| Humidity Range | 0% to 100% RH |
| Display | Three-hand analog with 5 mm high numerals |
| Finish | Brass-tone frame and dial |
| Cover | Clear plastic dome |
| Knobs | Metallic, knurled, center-mounted (reset min/max) |
| Diameter | 130 mm (5.12 inches) |
| Height/Depth | 52 mm (2.05 inches) |
| Weight | 90 g (3.17 oz) |
| Mounting | Rear keyhole slot for wall mounting |
| Power | Mechanical – no batteries required (bimetallic strip) |
Applications and Benefits:
- Records and displays daily maximum and minimum temperatures
- Continuously monitors ambient humidity with built-in hygrometer
- Provides analog readout ideal for off-grid or power-sensitive environments
- Mechanical reset enables daily climate logging without digital interfaces
- Suitable for greenhouses, indoor climate control studies, and environmental labs
Caution:
Reset maximum and minimum indicators daily using the provided knobs to ensure accurate tracking. Do not submerge or expose the unit to excessive moisture or corrosive chemicals, as this may affect sensor performance and cosmetic finish.
Plastic Beakers, Griffin Style 1000ml
These single-piece, molded translucent polypropylene plastic beakers are perfect for laboratory use. They feature raised numerical graduations on the outside and are resistant to most common acids, bases, and solvents. Additionally, they have a broad base for stability and pouring spouts. These beakers are autoclavable to 130 degrees C and do not have a meniscus.
Product Specifications:
| Sizes Available |
| 50ml |
| 100ml |
| 250ml |
| 500ml |
| 1000ml |
| 2000ml |
Similar Products
- Griffin Style Plastic Beakers
- Plastic Graduated Cylinders
- Glass Beakers, Griffin Style
- Plastic Erlenmeyer Flasks
- Glass Graduated Cylinders
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Autoclavable to 130 degrees C. Handle with care and follow proper safety procedures when using and handling hot beakers.
Perfect for:
- Science students and teachers
- Laboratory technicians
- Chemistry enthusiasts
- Research facilities
- Medical professionals
- Industrial labs
Plastic Beakers, Griffin Style 100ml
These single-piece, molded translucent polypropylene plastic beakers are perfect for laboratory use. They feature raised numerical graduations on the outside and are resistant to most common acids, bases, and solvents. Additionally, they have a broad base for stability and pouring spouts. These beakers are autoclavable to 130 degrees C and do not have a meniscus.
Product Specifications:
| Sizes Available |
| 50ml |
| 100ml |
| 250ml |
| 500ml |
| 1000ml |
| 2000ml |
Similar Products
- Griffin Style Plastic Beakers
- Plastic Graduated Cylinders
- Glass Beakers, Griffin Style
- Plastic Erlenmeyer Flasks
- Glass Graduated Cylinders
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Autoclavable to 130 degrees C. Handle with care and follow proper safety procedures when using and handling hot beakers.
Perfect for:
- Science students and teachers
- Laboratory technicians
- Chemistry enthusiasts
- Research facilities
- Medical professionals
- Industrial labs
Plastic Beakers, Griffin Style 2000ml
These single-piece, molded translucent polypropylene plastic beakers are perfect for laboratory use. They feature raised numerical graduations on the outside and are resistant to most common acids, bases, and solvents. Additionally, they have a broad base for stability and pouring spouts. These beakers are autoclavable to 130 degrees C and do not have a meniscus.
Product Specifications:
| Sizes Available |
| 50ml |
| 100ml |
| 250ml |
| 500ml |
| 1000ml |
| 2000ml |
Similar Products
- Griffin Style Plastic Beakers
- Plastic Graduated Cylinders
- Glass Beakers, Griffin Style
- Plastic Erlenmeyer Flasks
- Glass Graduated Cylinders
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Autoclavable to 130 degrees C. Handle with care and follow proper safety procedures when using and handling hot beakers.
Perfect for:
- Science students and teachers
- Laboratory technicians
- Chemistry enthusiasts
- Research facilities
- Medical professionals
- Industrial labs
Plastic Beakers, Griffin Style 500ml
These single-piece, molded translucent polypropylene plastic beakers are perfect for laboratory use. They feature raised numerical graduations on the outside and are resistant to most common acids, bases, and solvents. Additionally, they have a broad base for stability and pouring spouts. These beakers are autoclavable to 130 degrees C and do not have a meniscus.
Product Specifications:
| Sizes Available |
| 50ml |
| 100ml |
| 250ml |
| 500ml |
| 1000ml |
| 2000ml |
Similar Products
- Griffin Style Plastic Beakers
- Plastic Graduated Cylinders
- Glass Beakers, Griffin Style
- Plastic Erlenmeyer Flasks
- Glass Graduated Cylinders
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Autoclavable to 130 degrees C. Handle with care and follow proper safety procedures when using and handling hot beakers.
Perfect for:
- Science students and teachers
- Laboratory technicians
- Chemistry enthusiasts
- Research facilities
- Medical professionals
- Industrial labs
Plastic Beakers, Griffin Style 50ml
These single-piece, molded translucent polypropylene plastic beakers are perfect for laboratory use. They feature raised numerical graduations on the outside and are resistant to most common acids, bases, and solvents. Additionally, they have a broad base for stability and pouring spouts. These beakers are autoclavable to 130 degrees C and do not have a meniscus.
Product Specifications:
| Sizes Available |
| 50ml |
| 100ml |
| 250ml |
| 500ml |
| 1000ml |
| 2000ml |
Similar Products
- Griffin Style Plastic Beakers
- Plastic Graduated Cylinders
- Glass Beakers, Griffin Style
- Plastic Erlenmeyer Flasks
- Glass Graduated Cylinders
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Autoclavable to 130 degrees C. Handle with care and follow proper safety procedures when using and handling hot beakers.
Perfect for:
- Science students and teachers
- Laboratory technicians
- Chemistry enthusiasts
- Research facilities
- Medical professionals
- Industrial labs
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