Installation Guide
sales@nextcenturymeters.com
www.nextcenturymeters.com
V. 010621
3| Meter Compatibility
3.1 – Pulse Output Meters
• Passive pulse sensing (including reed switch, solid-state
relay, contact relay, open-drain types)
• Active voltage sensing (max. 16 VDC)
• Supports tamper circuit to detect disconnect from meter
(optional)
3.2 – Encoded Output Meters
• Neptune (Including ProRead, ECoder, and ProCoder
register models)
• Sensus UI-1203 (Includes most meter models, from
Sensus, Hersey, Mueller, Master Meter, Badger,
Kamstrup, Elster, Metron-Farnier, and Zenner)
• GWF ECO (Includes all GWF encoder meters)
• Elster/AMCO K-Frame (Includes most meter models,
from Elster, AMCO, ABB and Kent)
4| In-Field Installation
4.1 – Mounting Plate Installation
• Peel off backing on the included adhesive pad and mount
onto the wall
• (Optional) For additional holding strength, the included
screws and plastic anchors can be used. Pre-drill using a
7/32” (5.5mm) drill bit
• When used with the NextCentury M201 Water Meter,
remove the TR4’s mounting plate and slide onto the
meter’s included mounting adapter
• For third-party meters, the Zip Mount Adapter can be
used
4.2 – Meter Wiring
• Strip meter wire ends to 3/16” (5 mm)
• Insert stripped wire ends into the blue terminal
connector and tighten securely using a Phillips (PH-1)
screwdriver
4.3 – Meter Wiring Diagram
5| LED Indicators
The TR4 features two separate LED indicators with simple color-
coded feedback.
6| Configuring Meter Type
6.1 – Entering Configuration Mode
Note: The TR4 is configured for a pulse meter by default. No
configuration change is necessary.
• Press and hold the Test Connect button for 5 seconds to
enter Configuration Mode
• The Meter LED will display a solid color to show the
current meter configuration
6.2 – Toggle Pulse or Encoded
• Tap the Test Connect button to toggle between Pulse
Meter (red) and Encoded Meter (blue) configurations
• After 3 seconds, the meter type is accepted