美國NDT James T-HT-1000 Humiditest混凝土鉆孔濕度測試儀讓從事混凝土工作的人監測及確保新建造的足夠干透去進行下一步的加工。這對于混凝土建造, 特別是需要進行鍍膜、鋪地毯或相類的地板覆蓋加工極為重要。進行上述的工裝時, 若混凝土不足以干透, 會導致昂貴的覆蓋工程失誤。要確保混凝土足夠干透, 避免重復昂貴的工序, 必須使用鉆孔濕度測試系統, 例如T-HT-1000 Humiditest混凝土鉆孔濕度測試儀。
Humiditest System™
The tailor made solution for measuring bore hole humidity in hardened concrete.
Purchasing Notes
· Consumables:
o T-HT-1300 Protective Cover with Lid
o T-HT-1301 Rubber Plugs
Applications
· Floor Coatings
· Concrete Overlays
Features & Benefits
· Ensures Structure is dry before starting next construction phase.
· Uniquely designed system to handle concrete bore hole humidity measurements.
· Re - usable Probe for improved economics.
· Rapid Response Time of Probe.
· High accuracy and Long term Stability of Probe.
· Conforms to ASTM Standard F-2170 Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs.
The James Instruments Humiditest™ System allows the concrete practitioner to monitor and ensure that a new structure is dry enough to proceed with the next phase of construction. This is especially critical for concrete structures requiring a coating, carpeting or similar floor or covering treatment. Installing such treatments before the concrete is sufficiently dry will typically cause expensive failures in the covering treatment. The only accurate way to ensure that the concrete is sufficiently dry enough to safely avoid expensive re-work is via a bore hole humidity test system, such as the Humiditest System™.
The system works by first boring a hole into the concrete and inserting a plastic tube in the hole. The plastic tube is then plugged and the system is set to stabilize and the humidity to reach equilibrium. The probe is then inserted into the plastic tube, left to stabilize for a short period of time, and then a reading is taken.
The sleeve is recommended to give readings at various depths in the concrete. As concrete moisture distribution is typically very uneven it is recommended to take readings at different depths depending on the structures exposure.
Specifications
| Probe | |
| Measurement Range | 0a€|99% RH |
| Accuracy | |
| 0-90% | +/-2%RH |
| 90-99% | +/-3%RH |
| Long Term Stability | ( 1 Year ) 1%RH |
| Response Time (90% of Reading at 20° C) | 15 S |
| Response Time (Stabilized Hole, full reading) | 30min |
| Temperature Range | -20°C to +60°C |
| Sensor Diameter | 12mm |
| Cable Length | 0.3m |
| Probe Length | 69mm |
| Housing Material | ABS Plastic |
| Sensor Protection Membrane | Filter |
| Bore Hole Diameter | 16mm |
| Measurement Depth min. | 30mm |
| Meter | |
| Calculated Quantities | Dew point |
| Temperature | Absolute |
| Temperature | Wet Bulb |
| Temperature Resolution | 0.1%RH / 0.1°C |
| Power Supplies | 4 AA Batteries |
| Display | 2 line LCD |
| Approximate Weight | 300 g. |
以上是美國NDT James T-HT-1000 Humiditest混凝土鉆孔濕度測試儀
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