{
  "id": "sant/wm12",
  "slug": "wm12",
  "brand": "sant",
  "model_code": "WM12",
  "title": "WM12",
  "technology": "ultrasonic-inline",
  "description": "Ultrasonic water, screwed; 15-40 mm",
  "notes": "Battery-operated meter, PN16, IP68, Class-B as labelled, RS485 Modbus with external 24 VDC in retail lists",
  "facts": {
    "model": {
      "value": "WM12",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM12; documented family, size/options require confirmation"
      }
    },
    "manufacturer": {
      "value": "Sant",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM12; documented family, size/options require confirmation"
      }
    },
    "configuration_code": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "measuring_principle": {
      "value": "ultrasonic inline",
      "status": "editorial_guidance",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM12; documented family, size/options require confirmation"
      }
    },
    "installation_style": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "fluid_compatibility": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "conductivity_min_uS_cm": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "solids_limits": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "dn_mm": {
      "value": [
        15,
        20,
        25,
        32,
        40
      ],
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "66",
        "exact_model_and_configuration": "WM12; this document scope only"
      }
    },
    "actual_internal_diameter_mm": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q1_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q2_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q3_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q4_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "r_ratio": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "legacy_flow_ratings_with_standard": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "flow_min_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "flow_max_continuous_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "flow_peak_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "peak_duration_limit": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "accuracy_expression": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "accuracy_basis": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "accuracy_conditions": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "orientation": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "temperature_fluid_C": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "temperature_ambient_C": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "working_pressure_bar_at_temperature": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "pressure_loss_curve": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "wetted_materials": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "connection_standard_and_size": {
      "value": "BSP parallel screwed ends",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "66",
        "exact_model_and_configuration": "WM12; this document scope only"
      }
    },
    "face_to_face_mm": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "straight_runs_and_conditions": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "sensor_ip_and_immersion_conditions": {
      "value": "IP68",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "66",
        "exact_model_and_configuration": "WM12; this document scope only"
      }
    },
    "transmitter_ip": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "power_configuration": {
      "value": "Battery-operated meter; external 24 VDC for output",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "66",
        "exact_model_and_configuration": "WM12; this document scope only"
      }
    },
    "battery_life_and_assumptions": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "included_outputs": {
      "value": "RS485 Modbus; requires external 24 VDC",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "66",
        "exact_model_and_configuration": "WM12; this document scope only"
      }
    },
    "optional_outputs": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "protocol_and_map": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "pulse_litres_per_pulse": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "measurement_log_transmit_intervals": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "offline_storage_and_backfill": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "approvals_exact_scope": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "included_accessories": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "recurring_costs": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "documented_description": {
      "value": "Ultrasonic water, screwed; 15-40 mm",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM12; documented family, size/options require confirmation"
      }
    },
    "documented_features": {
      "value": "Battery-operated meter, PN16, IP68, Class-B as labelled, RS485 Modbus with external 24 VDC in retail lists",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM12; documented family, size/options require confirmation"
      }
    },
    "pressure_designation": {
      "value": "PN16",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "66",
        "exact_model_and_configuration": "WM12; this document scope only"
      }
    },
    "standards_claim": {
      "value": "Class B as printed",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "66",
        "exact_model_and_configuration": "WM12; this document scope only"
      }
    }
  },
  "source": {
    "document": "SANT retail price list",
    "document_date_or_revision": "August 2026",
    "page_or_section": "63–66",
    "exact_model_and_configuration": "WM12; documented family, size/options require confirmation"
  },
  "size_values": [
    15,
    20,
    25,
    32,
    40
  ],
  "connections": [
    "threaded"
  ],
  "outputs": [
    "rs485"
  ],
  "power": [
    "battery",
    "dc"
  ],
  "services": [
    "water"
  ],
  "conflicts": [],
  "price_band": null,
  "last_reviewed": "2026-09-09",
  "facet_note": "Discovery tags come from the documented description, including optional capabilities. Confirm inclusion and exact size/configuration.",
  "sizes_are_exact": true,
  "size_ranges": []
}