Multijet meter
MT hot NTEP
Product categories
Water
Drinking Water
Mechanical
Wired
M-Bus
Smart Building
Your benefits
- Mechanical roller register with 0.1 US gallons resolution:
Efficient consumption monitoring in energy data management - Transfer of the effective meter reading:
No data loss and guaranteed security of the billing data - Register without batteries:
No service life restriction - Robust, high grade wear resistant materials:
Excellent measuring stability and reliability - Measurement of low flow rates:
Increased cost effectiveness
Downloads
Links
NSF certificateProperties
- NSF/ANSI 61-G & 372 certified and marked
- NTEP Approval CC 21-096A1
- Meets AWWA C708 accuracy standards in horizontal position
- Sealed register for tamper resistance
- Meter with high accuracy and durability
- Protection class IP68 with 16.4 ft cable
- Encoder Output – serial data interface to wired or wireless transmitting device
Product information
Specifications
| 1" | 1½" | |
|---|---|---|
| Max. flow rate | 55 gpm | 88 gpm |
| Max. continuous flow rate | 44 gpm | 70 gpm |
| Min. flow rate (+/- 3 %) | 0.75 gpm | 1.5 gpm |
| Max. working pressure | 230 psi | 230 psi |
| Max. working temp. | 194 °F | 194 °F |
| Nominal pipe size | 1" | 1½" |
| Connection on meter | 1¼" NPSM thread | 2" NPSM thread |
| Main case material | Brass | Brass |
| Encoder resolution | 1/10 gal | 1/10 gal |
Encoder-Technology
The well-established GWFcoder®-system reads the absolute mechanical register value precisely and reliably and provides the data through standardized serial interfaces. The number wheels with three various long, asymmetrically arranged slots are being scanned through light pipes which are connected to five light emitting diodes (LED). Thus, the exact position of each number wheel can be detected and the encoded absolute register read can be transmitted as part of the M-Bus protocol. This functioning principle is patented by GWF. The GWFcoder®-interface provides an incomparably higher level of information compared to meters with pulse output.
| Meter absolut Encoder readout | |
|---|---|
| Absolute meter reading | 1236542.1 US gallons |
| Serial number | 43215678 |
| Meter state | OK |
| Medium | Hot water |
Technical Data
| Dimensions and weights | 1" | 1½" | ||
|---|---|---|---|---|
| Length without couplings | A | Inch | 10.24 | 11.81 |
| Meter height with lid | B | Inch | 5.31 | 6.30 |
| Meter height with lid from pipe centre line | C | Inch | 3.58 | 4.49 |
| Installation depth with lid from pipe centre line | W | Inch | 2.24 | 2.68 |
| Meter height with open lid | G | Inch | 7.20 | 8.19 |
| Weight without couplings | lbs | 5.73 | 11.91 | |
| Permissible ambient temperature | + 41 °F to + 131 °F | |||
| Current consumption | max. 2 M-Bus Loads | |||
| Meter Output Encoder Wired M-Bus | EN 13757-2/-3 | |||
| Meter Output Encoder ECO (for radio modules) | EN 13757-3 | |||
| Standard transmission speed | 2400 baud | |||
| Register protection class | IP68 | |||
| Cable length | 16.4 ft | |||
| Approval | MTW3coder MP |
|---|---|
| NTEP hot No. CC 21-096A1 | ■ |
| New York Certificate No. 10767 | ■ |
| Certifications | MTW3coder MP |
|---|---|
| NSF/ANSI 61-G & 372 D.Hot / incl. cold | ■ |
Dimension Diagram
Accuracy chart
Pressure loss chart
Installation
| Pipeline | horizontal |  |
| Meter head | facing up |  |
Comparison «absolute meter reading» vs. pulse
GWFcoder® technology:
Transfers the effective meter reading. The read-out value in the billing system and the invoice are the same as the meter reading.
Pulse transfer:
The potential sources of error for a reproduced meter reading with pulse transmission are:
• Bouncing
• Backflow water
• Temporary signal interruption
• Double pulses
• Incorrect pulse value
The readout value in the billing system and the invoice may differ from the meter reading leading to diminished revenue stream.
