Product details
PRODUCT DESCRIPTION
The A7VU & A9VU Series Vari-Angle® Industrial Glass Thermometers by Weiss Instruments are designed for precise temperature measurement in HVAC, plumbing, and industrial applications. These thermometers feature a durable die-cast aluminum case with a modern V-shape design, finished in black textured enamel for long-lasting performance.
Equipped with a Vari-Angle® adjustable joint, these thermometers allow flexible positioning for easy readability from different viewing angles. The heavy glass front is securely mounted to prevent rattling, while the enclosed capillary protects against tampering and contamination.
Available in 7″ and 9″ scale sizes with multiple temperature ranges, the A7VU & A9VU Series provides accurate readings with ±1% accuracy and is ideal for hot water, glycol, and HVAC systems.
KEY FEATURES
Vari-Angle® adjustable design
Available in 7″ and 9″ scale sizes
Die-cast aluminum case
Black textured enamel finish
Heavy-duty glass front
Enclosed capillary for protection
Blue Ribbon organic liquid fill
Magnifying glass lens for clear visibility
±1% accuracy
Suitable for HVAC and industrial applications
TECHNICAL SPECIFICATIONS
| Specification | Details |
|---|---|
| Series | A7VU / A9VU |
| Brand | Weiss Instruments |
| Type | Industrial Glass Thermometer |
| Scale Size | 7″ / 9″ |
| Case Material | Die-cast aluminum |
| Finish | Black textured enamel |
| Window | Heavy glass |
| Stem | 3.5″ / 6″ options |
| Stem Material | Zamac alloy / Aluminum (depending on range) |
| Joint | Adjustable (Vari-Angle®) |
| Fill Type | Blue Ribbon organic liquid |
| Scale | White aluminum with black markings |
| Accuracy | ±1% of scale range |
| Compliance | ASME B40.200, Federal Spec GG-T-321D |
ITEM NUMBERS / MODELS
| Model | Scale Size | Stem Length |
|---|---|---|
| A7VU35 | 7″ | 3.5″ Stem |
| A7VU6 | 7″ | 6″ Stem |
| A9VU35 | 9″ | 3.5″ Stem |
| A9VU6 | 9″ | 6″ Stem |
TEMPERATURE RANGE OPTIONS
| Code | °F Range | Type |
|---|---|---|
| 110F | -40 to 110°F | °F |
| 120F | 0 to 120°F | °F |
| 160F | 0 to 160°F | °F |
| 180F | 30 to 180°F | °F |
| 240F | 30 to 240°F | °F |
| 300F | 30 to 300°F | °F |
Dual Scale (°F & °C) Options Available
APPLICATIONS
HVAC systems
Hot & chilled water systems
Glycol systems
Boilers
Air ducts
FAQs
Q1: What is the benefit of the Vari-Angle® design?
A: It allows adjustable viewing angles, making it easier to read the temperature from different positions.
Q2: What sizes are available in this series?
A: The series is available in 7″ and 9″ scale sizes.
Q3: What type of liquid is used inside the thermometer?
A: It uses Blue Ribbon organic liquid for accurate temperature measurement.
Q4: What is the accuracy of this thermometer?
A: It offers ±1% accuracy of the full scale.
Q5: Is this suitable for HVAC applications?
A: Yes, it is widely used in HVAC, boilers, glycol systems, and duct applications.





