HOBO 100英尺深度水位数据记录仪

压力和水位测量 U20-001-02 及 U20-001-02-Ti

操作范围

0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6 m (0 to 100 ft) of water depth at sea level, or 0 to 33.6 m (0 to 111 ft) of water at 3,000 m (10,000 ft) of altitude

工厂校准范围

69 to 400 kPa (10 to 58 psia), 0° to 40°C (32° to 104°F)

破裂压力

500 kPa (72.5 psia) or 40.8 m (134 ft) depth

水位精度*

Typical error: ±0.05% FS, 1.5 cm (0.05 ft) water

Maximum error: ±0.1% FS, 3 cm (0.1 ft) water

原始压力精度

±0.3% FS, 1.20 kPa (0.17 psi) maximum error

决议

<0.04 kPa (0.006 psi), 0.41 cm (0.013 ft) water

压力响应时间 (90%)***

<1 second; measurement accuracy also depends on temperature response time

温度测量（所有型号）

操作范围

零下20°至50°C

-4华氏度至122华氏度

准确性

±0.44°C from 0° to 50°C (±0.79°F from 32° to 122°F), see Plot A in manual

决议

0.10°C at 25°C (0.18°F at 77°F), see Plot A in manual

响应时间 (90%)

5 minutes in water (typical)

稳定性（漂移）

0.1°C (0.18°F) per year

记录器

实时时钟

± 每月1分钟 0°C至50°C

32°至122°F

电池

2/3 AA, 3.6 Volt lithium, factory-replaceable

电池续航时间（典型使用）

5 years with 1 minute or greater logging interval

内存（非易失性）

64K bytes memory (approx. 21,700 pressure and temperature samples)

重量

Stainless steel models: approximately 210 g (7.4 oz)

Titanium models: approximately 140 g (4.8 oz)"

维度

2.46 cm (0.97 inches) diameter, 15 cm (5.9 inches) length; mounting hole 6.3 mm (0.25 inches) diameter

浸湿材料

316 stainless steel, Viton® o-rings, acetyl cap, ceramic sensor

记录间隔

Fixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours. Refer to the HOBOware software manual.

启动模式

Immediate start and delayed start

卸载模式

Offload while logging; stop and offload

电池指示

Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.

环境评级

IP68

* 水位精度：通过精确的参考水位测量、已知的水密度、精确的气压补偿辅助数据以及稳定的温度环境。

原始压力精度：绝对压力传感器精度包括所有传感器漂移、温度及滞后引起的误差。

温度变化：在水中放置10分钟，使压力传感器实现完全温度补偿。由于快速温度变化导致的最大误差约为0.5%。