KUV2.4 Reference Meter

Accurate Recalibration on Site

The KUV2.4 reference meter is a versatile device for precise monitoring and on-site programming of digital system sensors, allowing recalibration within a ±30% range. Designed in compliance with DVGW and ÖNORM standards, it is ideal for drinking water, wastewater and ballast water systems. Auditors, inspectors, and laboratories can quickly assess whether sensors need recalibration or replacement, ensuring accurate measurements and regulatory compliance. The device comes in a robust IP65-rated metal housing and is powered by rechargeable batteries, making it suitable for demanding field conditions. Its automatic measurement range switching guarantees reliable results without manual intervention. Trusted by public health authorities and testing laboratories, the KUV2.4 combines precision, flexibility and durability, making it an essential tool for modern water system monitoring and sensor management.

General Product Overview

Technical Information

Configuration	Options
Housing	Aluminum, color black
Dimensions	110/85 x 230 x 35 [mm]
Weight	790g incl. Sensor and battery
Supply	operation time 8-10 h (fully charged) plug-in power supply 100-240 V AC / 50-60 Hz with EU adapter (US, UK adapter on request)
Display	LCD, 2 x 16 characters with backlight function
Measuring range	0.1-2000 W/m², measuring ranges with end value of 2, 20, 200, 2000 W/m2 automatic switching “overload" is displayed when the measuring range is exceeded
Memory	storage of the last measured value and the maximum value
Reference sensors	reference sensors are equipped with 1.3 m cable and M12 socket connection is made via M12 plug on the upper right only registered sensors in the device are detected (maximum 8 possible) serial numbers of the registered sensors can be found on the sticker on the back
Plant sensors	plant sensors are connected via the M12 socket on the upper left, digital or digital / analogue sensors (options Z4, Z4Y1, Z4Y2) can be programmed and calibrated necessary connection cable is included in the delivery
Analogue output	voltage output: 0.1 to 4.1 V for each measuring range (0.1V=0W/m², 4.1V=2/20/200/2000W/m²) Ri = 10 kΩ, jack socket 2.5 mm in the connection compartment at the bottom of the device
Serial interface	RS232 output: 9600 baud, no parity, 1 stop bit, 8 data bits, GND/TxD/RxD connection via jack socket 3.5 mm in the connection compartment at the bottom of the device
Degree of protection	IP 65 with sensor connected and battery / connection compartment closed
Temperature range	ambient temperature 0 to 30° C
Recalibration	latest after 12 months, according to DVGW W294 rule resp. after a useful life of 100 hours
Accuracy	uncertainty to working standard: ≤ ± 1% for low pressure, ≤ ± 3% for medium pressure lamps uncertainty to internal reference: ≤ ± 1% uncertainty to primary standard DVGW/ÖNORM: ≤ ± 6.5% total uncertainty: ≤ ± 8.5% for low pressure, ≤ ± 10.5% for medium pressure lamps calibration protocol included in scope of delivery