TB4, TB4MM, CS700, and CS700H Tipping Bucket Rain Gages
6
With the DC option, the CS700H is connected to a user-supplied battery. This
option is ideal for remote sites using wind or solar power to recharge the
battery. Battery capacity requirements vary according to the application and
site location.
5.1 Wind Screen
The 260-953 Alter-Type Wind Screen can be used with the rain gage to
minimize the effects of strong winds. Siting information and the installation
procedure for this wind screen is provided in our 260-953 manual.
6. Specifications
Features:
•
More accurate measurement of high-intensity precipitation
•
High precision
•
Compatible with Campbell Scientific CRBasic data loggers:
CR200(X) series (except CS700H), CR300 series (except CS700H),
CR6 series, CR800 series, CR1000, CR1000X, CR3000, CR5000,
and CR9000(X) (except CS700H)
Orifice Diameter:
200 mm (7.87 in)
Measurement Range:
0 to 700 mm/hr (0 to 27.6 in/hr)
Accuracy:
±2% @ < 250 mm/hr (9.8 in/hr);
±3% @ 250 to 500 mm/hr (9.8 to 19.7 in/hr)
Resolution
TB4, CS700, CS700H:
0.254 mm (0.01 in)
TB4MM:
0.2 mm (0.008 in)
Temperature Range
TB4, TB4MM, CS700:
0 to 70 °C
CS700H:
–40 to 70 °C
Humidity:
0 to 100%
Contact:
Dual Reed Switch
Drain Tube:
Both filters accept 12 mm inner diameter
tubing
Siphon:
0.4 mm (12 ml) capacity of rainfall; made
from brass with a non-hydroscopic outer
case. The syphon can be dismantled for
routine cleaning and servicing.
Weight with 25-ft signal cable
TB4/TB4MM:
2 kg (4.4 lb)
CS700/CS700H:
3.3 kg (7.4 lb)
Height
TB4/TB4MM:
33 cm (13 in)
CS700/CS700H:
34.2 cm (13.5 in)
