Product details
PRODUCT DESCRIPTION
The 3RBMS Series Bimetal Thermometers by Weiss Instruments are precision-engineered instruments designed for accurate temperature measurement in industrial, HVAC, and process applications. Featuring a lower connection (bottom mount) and a 3-inch dial, these thermometers provide excellent readability and easy installation in vertical mounting setups.
Constructed with a hermetically sealed 304 stainless steel case, the 3RBMS Series ensures long-lasting durability and resistance to corrosion in harsh environments. The precision-formed bimetallic sensing element with silicone dampening delivers fast response and stable readings under varying operating conditions.
With multiple temperature ranges and stem lengths available, the 3RBMS Series offers flexibility for a wide range of industrial applications including oil & gas, petrochemical, and HVAC systems.
KEY FEATURES
3″ dial for clear readability
Lower connection (bottom mount) design
High accuracy ±1.0% (ASME B40.200 Grade A)
Hermetically sealed 304 stainless steel case
Heavy-duty glass window
Precision bimetallic sensing element
Silicone dampening for stable performance
External recalibrator for adjustment
Suitable for harsh industrial environments
TECHNICAL SPECIFICATIONS
| Specification | Details |
|---|---|
| Series | 3RBMS |
| Brand | Weiss Instruments |
| Type | Bimetal Thermometer |
| Dial Size | 3″ |
| Connection Type | Lower Connect |
| Connection Size | 1/2″ NPT |
| Case Material | 304 Stainless Steel |
| Stem Material | Stainless Steel (300 Series) |
| Accuracy | ±1.0% Full Scale |
| Ambient Temperature | -40°C to 120°C |
TEMPERATURE RANGE OPTIONS
| Code | Temperature Range (°F / °C) |
|---|---|
| 120-LT | -80 to 120°F / -60 to 50°C |
| 120 | -20 to 120°F / -30 to 50°C |
| 130 | 30 to 130°F / 0 to 55°C |
| 200 | 0 to 200°F / -15 to 90°C |
| 250 | 0 to 250°F / -20 to 120°C |
| 300 | 50 to 300°F / 10 to 150°C |
| 400 | 50 to 400°F / 10 to 200°C |
| 550 | 50 to 550°F / 10 to 260°C |
| 800 | 100 to 800°F / 40 to 425°C |
| 1000 | Up to 1000°F / 540°C |
STEM LENGTH VARIANTS
| Model | Stem Length |
|---|---|
| 3RBMS25 | 2.5″ |
| 3RBMS4 | 4″ |
| 3RBMS6 | 6″ |
| 3RBMS9 | 9″ |
| 3RBMS12 | 12″ |
APPLICATIONS
HVAC systems
Industrial process equipment
Oil & gas industry
Petrochemical plants
Food processing
Wastewater treatment
Heavy industrial environments
