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DHS 29,35 Series Infrared Thermometers
Brand: Palmer Wahl Instruments, Inc
The DHS29 is designed for extreme applications in Ferrous and Non Ferrous Metal, the DHS29 and 35XT Heat Spy models are built from the bottom up for precise, accurate measurement of high temperatures under the toughest factory conditions.
The DHS29 Series measures through glass ports, flames, and products of combustion.
High temperature range: 900° to 3200°F (482° to 1760°C).
Narrow spectral range for general purpose, high temperature measurement through glass.
Small target resolution and long telescopic range.
Aim through ports in furnace walls at refractories, glass gobs, furnace tubes, ceramics, billets, slag, and annealing materials.
Sapphire window protects the silicon optics from heat and contamination.
3 Year Warranty.
Enclosed Optical Sight.
The DHS35 XT measures furnace tube temperatures through open ports.
High temperature range: 800° to 3200°F (426° to 1760°C).
Narrow spectral range of 3.5-4.1 microns.
Features Specialized Reflex Sighting to enable readings from very small target areas.
Minimizes errors caused by the reflectance from walls and flames.
Does not measure through glass ports. Best choice for high temperature general purpose operations.
Offered with telescopic sighting system only.
3 Year Warranty.
FeaturesDHS29X
- Measures Through Glass Ports, Flames, and Products of Combustion
- High Temperature Range: 900° to 3200°F (482° to 1760°C)
- Narrow spectral range of 2.1 - 2.5 microns for general purpose, high temperature measurement through glass
- Small target resolution and long telescopic range
- Aim through ports in furnace walls at refractories, glass gobs, furnace tubes, ceramics, billets, slag, and annealing materials
- Sapphire window protects the silicon optics from heat and contamination
- 3 Year Warranty
DHS35XT
- High Temperature Range: 800° to 3200°F (426° to 1760°C)
- Measures Furnace Tube Temperatures Through Open Ports
- Narrow Spectral Range of 3.5 - 4.1 Microns
- Specialized Reflex Sighting to Enable Readings From Very Small Target Areas
- Minimizes Errors Caused By The Reflectance From Walls and Flames
- Does Not Measure Through Glass Ports
- 3 Year Warranty
- Best Choice for High Temperature General Purpose Operations
- Offered With Telescopic Sighting System Only
Specifications
DHS29 Temperature Range
- 900° to 3200° F
- 482° to 1760° C
DHS35 Temperature Range
- 800° to 3200° F
- 426° to 1760° C
DHS29 Distance to Spot Ratio
- 100:1
DHS29 Spectral Range
- 2.1 to 2.5 µm
DHS35 Spectral Range
- 3.5 to 4.1 µm
Emissivity
- Adjustable 0.2 - 1.0
DHS29 Accuracy at 77° F ±5°
- ± 0.3 % Full Scale
DHS35 Accuracy at 77° F ±5°
- ± 0.5 % Full Scale
Repeatability
- ± 3° F
Resolution
- 1° F / °C
Response Time to 95% of Reading
- 1 second
Operating Temperature
- 25° to 125° F (-4° to 52° C)
Temperature Coefficient
- ± 0.1 deg/deg
Practical Working Distance
- 0 to 150 feet
DHS29 Sighting System
- Enclosed or Telescope
DHS35 Sighting System
- Telescope Only
Output to Recorder
- 1 mV/deg.
Power Supply
- LCD 1 - 9 V Alkaline Battery, LED 2 - 6 V Batteries
Battery Life
- 40 hours
DHS29 Weight (Lbs)
- 2.5 lbs (1.13 kg) (T) 3.0 lbs (1.36 kg)
DHS35 Weight (Lbs)
- 3.0 lbs (1.36 kg)
Included Accessories
- User Manual, LCD, 1-9 V Battery, LED, 2-6 V Alkaline Batteries, Carrying Case, Trigger Lock, AC Adapter (Specify 110 V or 220 Vac)