ELECTRONIC METER | WOLTMAN Fully electronic bulk water meter for installation at a transition from a vertical to a horizontal pipe (e.g. in a well). ► Calibratable and exchangeable measuring insert ► Electronic sensor control for recording flow rate ► Lithium battery, lifetime 12 years ► Optical ZVEI interface equipped as standard ► Adjustable reading date for billing ► Single-line 7-digit display for easy meter reading ► Outstanding long-term accuracy even under extreme loads ► Measuring range for small flow rates considerably larger than specified for metrological class

ELECTRONIC METER | WOLTMAN ELECTRONIC - BASIC FEATURES Optical ZVEI M-Bus, L-Bus, pulse Ambient class Protection class Interfaces standard Interfaces optional* * Possible combinations - M-Bus / pulse - L-Bus / forward pulse - only M-Bus Note: HYDRO-SET Software for configuration of meters, readout of measured values and printout of meter logs. Available under www.diehl.com/metering (Products - downloads) Display indication Total values Values displayed Flow rate VOLUME - / PULSE OPEN COLLECTOR Max. voltage drop at active Max. current through inactive Max. reverse voltage without destroying outputs...

ELECTRONIC METER | WOLTMAN PULSE INTERFACE - SPECIFICATION Pulse variants 1 digit after comma l/pulse 1 (factory setting) l/pulse 100 (factory setting) 0 digits after comma l/pulse 10 (factory setting) l/pulse 1000 (factory setting) Two forward pulses; one forward and one backward pulse; pulse and direction signal Note: In the field the pulse values can be configured as desired in the specified value range. HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments

ELECTRONIC METER | WOLTMAN Temperature range Temperature safety Ambient operating temperature Ambient storage temperature * See also special versions. TECHNICAL DATA Nominal diameter Nominal flow rate (DIN ISO Permissible continuous load Maximum flow rate (short-term) QmsK Transition flow rate Q, Minimum flow rate Qmin Starting flow rate Flow rate at 0.1 bar pressure Nominal diameter Metrological class HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments

ELECTRONIC METER | WOLTMAN Nominal diameter Hole circle diameter K mm Height to remove measuring SPECIAL VERSIONS - Versions with different nominal pressure on request - Special flange holes - For different pulse values PRESSURE LOSS GRAPH / TYPICAL ERROR GRAPH Pressure loss graph Typical error graph HYDROMETER GmbH • Postfach 1462 • 91505 Ansbach Subject to technical adjustments