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NB IoT Ultrasonic Heat Meter JYSHM-15-400
1、 Overview: Jingyuan IoT Ultrasonic Thermal Energy Meter is a measuring instrument based on the ultrasonic thermal energy meter with an added wireles
Product details
1、 Overview:
The Jingyuan IoT ultrasonic thermal energy meter is based on the ultrasonic thermal energy meter and adds a wireless remote transmission module to form a measuring instrument that is suitable for real-time monitoring of the thermal meter and realizes centralized management solutions in the absence of wiring construction conditions on site.
This IoT ultrasonic heat meter adopts a modular design, with both TTL and M-BUS interfaces coexisting. It can simultaneously support M-BUS meter reading, meter inspection, and wireless meter reading. The wireless interface supports modules such as LORA and NB-IOT, and is plug and play. The wireless communication module can be built-in to the meter or connected to the outside of the meter using a separate structure. The wireless LORA communication module supports online modification of the operating frequency band.
2、 ProductionProduct features:
·Adopting the MSP430 series 16 bit microprocessor from TI in the United States, advanced low-power design ensures a long service life;
·Integrated cold and heat metering, suitable for centralized heating and central air conditioning systems;
·The structure of the table body pipe section is simple, withoutMechanical components that are not easily blocked or worn, with minimal pressure loss;
·Adopting the principle of ultrasonic detection, the starting flow rate is small, the measurement accuracy is high, and the operation is reliable;
·Split external integrator with complete information and historical (over 24 months) storage and alarm functions, convenient for data query and operation;
·Low installation requirements, flexible location and method, convenient for on-site construction;
·Multiple communication methods, supporting multiple communication interfaces such as MBUS, RS-485, infrared, LORA, NB-IOT, etc;
·T188 and MODBUS communication protocols coexist.
NB-IOT technology features:
1. Wide (deep) coverage: Strong signal coverage capability, with an increase of 20dBm+compared to GPRS coverage;
2. Low power consumption: operating current ≤ 200mA, service life can exceed ten years;
3. Large connection: capable of carrying up to 50K+user capacity;
4. Strong anti-interference ability: using authorized spectrum to avoid interference from multiple technologies deployed in the same frequency band, with excellent architecture, NB-IOT uses licensed frequency bands,
There are three deployment methods available: in band, guard band, or independent carrier.
3、 Technical parameters:
| Nominal diameter | mm | 15 | 20 | 25 | 32 | 40 |
| working voltage | V | 3.6V (lithium battery) | ||||
| Static power consumption | μA | ≤8 | ||||
| Communication power consumption | mA | ≤10 | ||||
| BATTERY LIFE | year | ≥6 | ||||
|
accuracy |
level | 2 | ||||
|
pressure loss |
MPa | ≤0.025 | ||||
|
Working pressure |
MPa | ≤1.6 | ||||
|
scope of application |
Dual purpose cold and heat metering | |||||
|
protection grade |
IP65、IP68 | |||||
|
Thermal transmission type |
PT1000 | |||||
|
temperature range |
℃ | 4~95 | ||||
| temperature range | K | 3~60 | ||||
| Common traffic QP | m3/h | 1.5 | 2.5 | 3.5 | 6 | 10 |
| Maximum flow rate qs | m3/h | 3 | 5 | 7 | 12 | 20 |
| Minimum flow rate qi | m3/h | 0.03 | 0.05 | 0.07 | 0.12 | 0.2 |
| Display digits | 8-bit LCD | |||||
| Usage environment | Class A (5-55) ℃, ≤ 93% RH | |||||
| Installation position | Install inlet or return water according to user requirements | |||||
| Installation method | Horizontal/vertical (downward inflow) | |||||
| Temperature transmission line length | m | 1.5 (customizable according to needs) | ||||
| Nominal diameter | mm | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
| working voltage | V | 3.6V (lithium battery) | ||||||||||
| Static power consumption | μA | ≤15 | ||||||||||
| Communication power consumption | mA | ≤15 | ||||||||||
| BATTERY LIFE | year | ≥8 | ||||||||||
|
accuracy |
level | 2 | ||||||||||
|
pressure loss |
MPa | ≤0.025 | ||||||||||
|
Working pressure |
MPa | ≤2.5 | ||||||||||
|
scope of application |
Dual purpose cold and heat metering | |||||||||||
|
protection grade |
IP65、IP68 | |||||||||||
|
Thermal transmission type |
PT1000 | |||||||||||
|
temperature range |
℃ | 4~130 | ||||||||||
| temperature range | K | 2~75 | ||||||||||
|
Common traffic qp |
m3 /h |
15 | 25 | 40 | 60 | 100 | 150 | 250 | 400 | 600 | 800 | 1000 |
|
maximum flow qs |
m3 /h |
30 | 50 | 80 | 120 | 200 | 300 | 500 | 800 | 1200 | 1600 | 2000 |
|
Minimum flow rate qi |
m3 |
0.15 | 0.25 | 0.4 | 0.6 | 1 | 1.5 | 2.5 | 4 | 6 | 8 | 10 |
| Display digits | 8-bit LCD | |||||||||||
| Usage environment | Class A (5-55) ℃, ≤ 93% RH | |||||||||||
| Installation position | Install inlet or return water according to user requirements | |||||||||||
| Installation method | Horizontal/vertical (downward inflow) | |||||||||||
| Temperature transmission line length | m | 3 (customizable according to needs) | ||||||||||
4、 External dimensions:
| Nominal diameter | DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
| instrumentlength | mm | 200 | 200 | 225 | 250 | 250 | 300 | 345 | 450 | 500 | 500 | 500 |
| gauge width | 175 | 185 | 200 | 220 | 250 | 285 | 340 | 410 | 460 | 520 | 580 | |
| Instrument height | 295 | 305 | 320 | 340 | 370 | 405 | 460 | 530 | 580 | 640 | 700 | |
| Connection method (flange) | 4-M16 | 4-M16 | 8-M16 | 8-M16 | 8-M16 | 8-M20 | 12-M20 | 12-M24 | 12-M24 | 16-M24 | 16-M28 |
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