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A Leading Innovator in State-of-the-Art Measuring Technology
A Leading Innovator in State-of-the-Art Measuring Technology
With this practical kit, you can control and calibrate humidity probes quickly and easily. It is ideal for controlling and calibrating humidity probes at 11.3 %RH and 75.3 %RH. Does not require software or additional reference instrument. And it has high-precision reference measurement thanks to saturated saline solution.
With this practical kit, you can control and calibrate humidity probes quickly and easily. It is ideal for controlling and calibrating humidity probes at 11.3 %RH and 75.3 %RH. Does not require software or additional reference instrument. And it has high-precision reference measurement thanks to saturated saline solution.
The control and adjustment set is used to check and adjust humidity probes. The set consists of two special containers. Air mixtures with defined relative humidities are produced with the aid of different salt solutions.
As part of the accreditation as a DAkkS calibration laboratory for the parameters “Relative humidity” and “Dew point” the values for the relative humidity for saturated lithium chloride (LiCl) and sodium chloride (NaCl) solutions were newly specified at testo. These improved values also apply to all control and adjustment sets already delivered instead of the values specified up to now.
A control container with a defined humidity of 33%RH is additionally available. It is used to bring the humidity probes to a defined initial state before checking and adjusting, ensuring that the humidity sensors or probes do not dry out or become too humid during storage.
The humidity probe range from testo was converted to modified adjustment points in 1995.
The quality of the adjustment of older probes does not change with the new control and adjustment set. The values of ± 2%RH still apply.
Features
Applications
| Control Container Contents | LiCl solution (saturated): 11.3%RH ± 2%RH NaCl solution (saturated): 75.3%RH ± 2%RH MgCl₂ solution (saturated): 33%RH ± 2%RH |
| Environmental Conditions | Rated temperature: 25°C Operating temperature: 20 to 30°C Storage and transport temperature: 0 to 40°C |
| Service Life (average Values) | Container constantly open: Approximate: 1 month Container opened only for adjustment purposes (otherwise sealed air-tight): At least 2 years |
| Lithium chloride (LiCl) | 10°C: 11.29% 15°C: 11.30% 20°C: 11.31% 25°C: 11.30% 30°C: 11.28% |
| Sodium chloride (NaCl) | 10°C: 75.67% 15°C: 75.61% 20°C: 75.47% 25°C: 75.29% 30°C: 75.09% |
| Dimensions | Polystyrene holder: 5.79 x 3.35 x 3.27" (147 x 85 x 83 mm) |
| Control Container Contents | LiCl solution (saturated): 11.3%RH ± 2%RH NaCl solution (saturated): 75.3%RH ± 2%RH MgCl₂ solution (saturated): 33%RH ± 2%RH |
| Environmental Conditions | Rated temperature: 25°C Operating temperature: 20 to 30°C Storage and transport temperature: 0 to 40°C |
| Service Life (average Values) | Container constantly open: Approximate: 1 month Container opened only for adjustment purposes (otherwise sealed air-tight): At least 2 years |
| Lithium chloride (LiCl) | 10°C: 11.29% 15°C: 11.30% 20°C: 11.31% 25°C: 11.30% 30°C: 11.28% |
| Sodium chloride (NaCl) | 10°C: 75.67% 15°C: 75.61% 20°C: 75.47% 25°C: 75.29% 30°C: 75.09% |
| Dimensions | Polystyrene holder: 5.79 x 3.35 x 3.27" (147 x 85 x 83 mm) |
