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About Pressure Gauges
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Steam Pressure Gauges
Designed for use with boilers, these gauges have a dual scale that displays pressure in psi and feet of H₂O and displays temperature in °F/°C.
- For Use With: Steam and Water
- Accuracy: ±2.5% Full Scale (Grade B)
Available Pressure Ranges | |||||
|---|---|---|---|---|---|
Pressure Range | Graduation Marks | Numeric Increments | |||
| psi | ft. of H₂O | psi | ft. of H₂O | psi | ft. of H₂O |
2 1/2" Dial Dia. | |||||
| 0 to 75 | 0 to 170 | 5 | 10 | 20 | 50 |
3 1/4" Dial Dia. | |||||
| 0 to 100 | 0 to 230 | 2 | 10 | 20 | 50 |
| 0 to 200 | 0 to 460 | 5 | 20 | 40 | 100 |
Display Temp. Range | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dial Diameter | Pipe Size  | °F | °C | Environment Temp. Range, °F | Process Temp. Range, °F | Case Color | Mounting Orientation | Stem Lg. | Shoulder Lg. | Each | |
Bottom Connection | |||||||||||
NPT Male | |||||||||||
| 3 1/4" | 1/2 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 2" | __ | 0000000 | 000000 |
Center Back Connection | |||||||||||
NPT Male | |||||||||||
| 2 1/2" | 1/4 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 1" | __ | 0000000 | 00000 |
| 2 1/2" | 1/4 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 1" | 2" | 0000000 | 00000 |
| 2 1/2" | 1/4 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 1 1/2" | 2" | 0000000 | 00000 |
| 3 1/4" | 1/2 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 2" | __ | 0000000 | 00000 |
Refrigeration Pressure and Vacuum Gauges
Often used with chillers and in refrigeration systems, these gauges display the temperature of ammonia relative to the pressure measurement. Also known as compound gauges, these measure both pressure and vacuum.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Ammonia, and Refrigerant
- Accuracy: ±1.6% Full Scale (Grade B)
Available Pressure and Vacuum Ranges | ||||||
|---|---|---|---|---|---|---|
Graduation Marks | Numeric Increments | |||||
| Pressure Range, psi | Vacuum Range, in. of Hg | psi | in. of Hg | psi | in. of Hg | Display Temp. Range, °F |
| 0 to 150 | 30 to 0 | 5 | 5 | 20 | 30 | -60° to 84° |
| 0 to 300 | 30 to 0 | 5 | 5 | 25 | 30 | -60° to 125° |
Hand-Held Weather Meters
Take field measurements of temperature, dew point, heat index, wind chill, wind speed, and relative humidity.
| Display | Digit Ht. | Resolution | Ht. | Wd. | Dp. | Housing Material | Includes | Batteries Included | Each | |
| LCD | 3/8" | 0.1 | 4 7/8" | 1 7/8" | 1 1/8" | Plastic | Carrying Case, Lanyard | Yes | 000000 | 0000000 |
Wireless Weather Stations
Monitor nine different weather conditions up to 1,000 feet away. The outdoor weather sensor measures outdoor temperature, humidity, wind speed and direction, rainfall rate, total rainfall, barometric pressure, heat index, wind chill, and dew point. It wirelessly transmits readings to the console by radio signal. Console has built-in sensors to measure indoor temperature and humidity. Console can be placed on a desk or mounted to a wall. They cannot be sold to the listed areas due to product registration requirements.
| Max. Transmission Distance, ft. | Mounting Location | Console Housing Material | Sensor Housing Material | Sensor Power | AC Voltage Range | Cord Lg., ft. | Electrical Connection | Features | Batteries Included | Cannot Be Sold To | Each | |
| 1,000 | Pipe, Wall | Plastic | Plastic | Solar | 100 to 240 | 10 | Two-Prong Plug | Battery Backup | Yes | Outside United States, Canada, and Mexico | 0000000 | 0000000 |