Residential Spectrum Meters
Applications
The Spectrum Single-Jet Meter is the widest range, single measuring element meter available to U.S. utilities. The Spectrum residential meters are designed for extremely wide range and long-term accuracy. The single-jet technology is highly impervious to dirt, sand or grit in the water system. The combination of design simplicity, superior grade materials, and high quality manufacturing standards allows for years of virtually new meter performance with no maintenance.
The Spectrum residential meters are available in composite (reinforced plastic) and lead-free bronze models across all common residential sizes.
Coupled with the advanced innov8 registers, the Spectrum single-jets are the meter of choice for your revenue assurance and water loss programs.
Operations
Incoming water rotates a suspended impeller that is magnetically linked to the register. A low friction tungsten carbide bearing supports the impeller at low flow rates while a tungsten carbide thrust bearing provides the support at high flow rates. This unique “dual bearing” design provides unparalleled accuracy and durability at both high and low flows.
To maintain accuracy, the meter must be installed horizontally (±10°) in the direction of water flow.
All Spectrum Model D meters utilize innov8 registers. These sealed electronic registers provide a high resolution interface to the meter and have multiple cellular, AMR, AMI and SCADA outputs. All registers are attached with a robust tamper-resistant housing.
Design Features
- High accuracy – exceeding high and low range of AWWA residential standards
- Starting flow below 1/16 gpm
- Excellent performance in adverse water conditions
- Advanced materials for long-term durability
- Unaffected by sand or small debris in line
- No straight pipe requirements upstream or
- downstream of meter
- High resistance to freezing
- Lightweight, compact design for simple installations
- No strainer requirement
- Compatible with all innov8 registers and associated AMR/AMI capabilities.
Materials
All residential Spectrum Model-D meters are designed and manufactured to meet or exceed AWWA C712 standard design and performance specifications. All Models are maintained with NSF-61G lead-free certifications.
Standards
AWWA C712 – Single-Jet Meters
NSF-61G – Drinking Water System Components Health Effects
Mechanical Specifications
Spectrum 15D
| Design | AWWA 5/8″x3/4″ (20mm) Short |
| Construction | Composite |
| Threads | 1” NPSM |
| Lay Length | 3.9” (99 mm) |
Spectrum 25D
| Design | AWWA 5/8″ (15mm) |
| Construction | Composite |
| Threads | 0.75” NPSM |
| Lay Length | 7.5” (190 mm) |
Spectrum 30D
| Design | AWWA 5/8×3/4” ( 15x20mm) |
| Construction | Composite |
| Threads | 1” NPSM |
| Lay Length | 7.5” (190 mm) |
Spectrum 30DB
| Design | AWWA 5/8×3/4” ( 15x20mm) |
| Construction | Lead-free brass body + Composite plates |
| Threads | 1” NPSM |
| Lay Length | 7.5” (190 mm) |
Spectrum 30DL
| Design | AWWA 3/4” ( 20mm) |
| Construction | Composite |
| Threads | 1” NPSM |
| Lay Length | 9.0” (229 mm) |
Spectrum 50DL
| Design | AWWA 1” ( 25mm) |
| Construction | Lead-free brass |
| Threads | 1.25” NPSM |
| Lay Length | 10.75” ( 273 mm) |
Materials
S25/S30Dx models
Composite Body & Top-plate | Reinforced Nylon (Polyamide 12) |
Brass Body & Top-plate | EcoBrass™ – Lead Free Brass |
Impeller | Polypropylene |
Impeller Bearing | Nivaflex |
Impeller Pivot | Sapphire |
Impeller Shaft | Tungsten Carbide |
Register Housing | Thermoplastic |
S50DL model
| Body | Low lead Bronze: ASTM C875 |
| Impeller | Polypropylene |
| Impeller Bearings | Tungsten Carbide |
| Impeller Shaft | AISI 303, Tungsten Carbide tip |
Register Housing | Thermoplastic |
Markings
Engraved on Meter Body | Model Serial Number Date of Manufacture NSF-6 Direction of Flow |
Dimensions
Spectrum 15D – 5/8” Short | Contact Metron |
Spectrum 25D – 5/8” |  |
Spectrum 30D and 30DB– 5/8×3/4” |  |
Spectrum 30DL – 3/4” |  |
Spectrum 50DL – 1” |  |
Flow and Pressure Specifications
Spectrum 15D – 5/8” Short Model
| Normal Operating Range (98.5 to 101.5%) | 0.088 to 15 gpm | (0.02 to 3.4 m3/hr) |
| Low Flow (95% min) | 0.06 gpm | (0.014 m3/hr) |
| Max Continuous Flow 1 | 15 gpm | (3.4 m3/hr) |
Max Intermittent Flow 2 | 20 gpm | (4.5 m3/hr) |
| Pressure Loss at Max Continuous | 10 psi | (0.69 bar) |
| Max Operating Pressure | 230 psi | (15.9 bar) |
Max Operating Temperature | 140 °F | (60 °C) |
Spectrum 25D – 5/8” Model
| Normal Operating Range (98.5 to 101.5%) | 0.125 to 20 gpm | (0.028 to 4.5 m3/hr) |
| Low Flow (95% min) | 0.0625 gpm | (0.0142 m3/hr) |
| Max Continuous Flow 1 | 20 gpm | (4.5 m3/hr) |
Max Intermittent Flow 2 | 30 gpm | (6.8 m3/hr) |
| Pressure Loss at Max Continuous | 22 psi | (0.5 bar) |
| Max Operating Pressure | 230 psi | (1.51 bar) |
Max Operating Temperature | 140 °F | (60 °C) |
Spectrum 30D / 30DB – 5/8×3/4” Model
| Normal Operating Range (98.5 to 101.5%) | 0.125 to 30 gpm | (0.028 to 6.8 m3/hr) |
| Low Flow (95% min) | 0.0625 gpm | (0.0142 m3/hr) |
| Max Continuous Flow 1 | 30 gpm | (6.8 m3/hr) |
Max Intermittent Flow 2 | 40 gpm | (9.1 m3/hr) |
| Pressure Loss at Max Continuous | 13 psi | (0.9 bar) |
| Max Operating Pressure | 230 psi | (15.9 bar) |
Max Operating Temperature | 140 °F | (60 °C) |
Spectrum 30DL – 3/4” Model
| Normal Operating Range (98.5 to 101.5%) | 0.125 to 30 gpm | (0.028 to 6.8 m3/hr) |
| Low Flow (95% min) | 0.0625 gpm | (0.0142 m3/hr) |
| Max Continuous Flow 1 | 30 gpm | (6.8 m3/hr) |
Max Intermittent Flow 2 | 40 gpm | (9.1 m3/hr) |
| Pressure Loss at Max Continuous | 13 psi | (0.9 bar) |
| Max Operating Pressure | 230 psi | (15.9 bar) |
Max Operating Temperature | 140 °F | (60 °C) |
Spectrum 50DL – 1” Model
| Normal Operating Range (98.5 to 101.5%) | 0.5 to 70 gpm | (0.114 to 15.9 m3/hr) |
| Low Flow (95% min) | 0.125 gpm | (0.028 m3/hr) |
| Max Continuous Flow 1 | 50 gpm | (11.4 m3/hr) |
Max Intermittent Flow 2 | 70 gpm | (15.9 m3/hr) |
| Pressure Loss at Max Continuous | 8.0 psi | (0.55 bar) |
| Max Operating Pressure | 230 psi | (15.9 bar) |
Max Operating Temperature | 140 °F | (60 °C) |
Notes
- Max Continuous defined by AWWA as flow rate which can be maintained 24 hrs/day x 7 days/week
- Max Intermittent defined as flow rate which can be maintained 1 hr/day average
Flow Accuracy and Pressure Drop
S15D
| Flow Accuracy | Pressure Drop |
 |  |
S25D
| Flow Accuracy | Pressure Drop |
 |  |
S30D/S30DB/S30DL
| Flow Accuracy | Pressure Drop |
 |  |
S50DL
| Flow Accuracy | Pressure Drop |
 |  |
Registers
The innov8 electronic register is the water industry’s new standard for register performance. The innov8 offers maximum resolution, a multitude of standard features, on-board datalogging and a variety of cellular, AMI, AMR and SCADA output options. The innov8 is designed for all environments and incorporates the largest battery available for utility applications. The innov8 can be deployed on any Metron water meter.
Warranty
Please contact your Metron representative for formal warranty certificates.
Legal
Due to updated regulations and product improvements, Metron-Farnier reserves the right to change the product specifications without notice.
DS version Apr-2020A