美国NDT James T-HT-1000 Humiditest混凝土钻孔湿度测试仪让从事混凝土工作的人监测及确保新建造的足够干透去进行下一步的加工。这对于混凝土建造, 特别是需要进行镀膜、铺地毯或相类的地板覆盖加工极为重要。进行上述的工装时, 若混凝土不足以干透, 会导致昂贵的覆盖工程失误。要确保混凝土足够干透, 避免重复昂贵的工序, 必须使用钻孔湿度测试系统, 例如T-HT-1000 Humiditest混凝土钻孔湿度测试仪。
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 | 0…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. |
以上是美国NDT James T-HT-1000 Humiditest混凝土钻孔湿度测试仪
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