Preliminary Evaluation of the HOBO Data Logging Rain Gauge at the Chuzhou Hydrological Experiment Station, China

Table 1

Instrumental information at the Chuzhou hydrological experiment station.

Model of gauge	Origin	Resolution (mm)	Splash out protection (cm)	Rainfall rate	Diameter (mm)	Operating temperature range (°C)	Calibration accuracy (%)
Manual gauge	Jiangsu, China	—	—	—	200	—	—
HOBO RG3-M	USA	0.2	5	≤2.12 mm/min	152.4	0∼+50	±1.0 (up to 2 cm per hour)
TR-525	USA	0.254	5	≤11.67 mm/h	163	0∼+50	±1.0 (up to 5 cm per hour)
TR-525M	USA	0.1	5	≤11.67 mm/h	245	0∼+50	±1.0 (up to 5 cm per hour)
JDZ01	Jiangsu, China	0.1	14	≤4 mm/min	200	−10∼+55	≤4.0
JDZ02	Jiangsu, China	0.2	14	≤4 mm/min	200	−10∼+55	≤4.0
JDZ05	Jiangsu, China	0.5	14	≤4 mm/min	200	−10∼+55	≤4.0
JDZ10	Jiangsu, China	1.0	14	≤4 mm/min	200	−10∼+55	≤4.0
TJ05	Tianjin, China	0.5	20	≤5 mm/min	200	−10∼+50	≤5.0
TJ01	Tianjin, China	0.1	20	≤5 mm/min	200	−10∼+50	≤5.0