1. Product Introduction

The Rainfall Titration Tester is a rain gauge titration testing instrument designed according to the "Precipitation Observation Specification" (SL21-2015), utilizing the principle of peristaltic pump metering for water extraction. It can be used for field calibration of titration errors in tipping bucket rain sensors.

The Rainfall Titration Tester features a precision instrument chassis molded from ABS material and an aluminum alloy panel. It integrates a peristaltic pump, display, controller, printer, and other components into a single unit, offering portability, ease of operation, and accurate testing.

2.Technical Parameters

Test Rainfall Intensity: Selectable from 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 mm/min; defaults to 2.0 mm/min as per the "Precipitation Observation Specification" (SL21-2015);

Tipping Bucket Rain Gauge Type: 0.1–1.0 mm;

Single Titration Volume: 0.5–12.5 mm (configurable);

Instrument Comprehensive Error: 0.2%, field-calibratable;

Controller Interface: 7-inch LCD display;

Operation Method: Touch operation via LCD touchscreen;

Storage Capacity: 64 MB, capable of storing 65,535 titration records without overwriting;

Output Interface: DB9-pin RS-232 serial communication interface;

Output Printing: 80 mm thermal printer;

Water Tank Capacity: 1 L, water quality requirement: clear water (tap water, clear river water, well water);

Power Supply: Built-in lithium battery DC 12 V, capacity: 13.2 Ah;

Standby Current (motor not running): 180 mA;

Operating Current (motor running): 1650 mA;

Environmental Conditions: Temperature: 0 to +70°C;