Description
Features:- Low Power Consumption
- lithium battery inside product as supply
- LED Display
- With RS485 signal output,easy adapted with wireless module
- Special Anti-condensation design
Typical Application- Water Treatment Industry
- Groundwater,rivers, lakes
- Ship
- Industrial Process control
With long-term aging and stability testing, the product is suitable for harsh outdoor environment and can be widely used for groundwater, rivers, lakes, surface water tanks, and inventory water tanks. Parameters:
| Range |
| Measurement range | 0~0.5…10mH2O |
| Overload | 1.5 times for Full scale |
Notes:Can also use mH2O,inH2O,m,mm, etc. as unit
Need to highlight the density of liquid to be measured when use length unit such as m,mm etc. |
| Medium |
| Type | Liquid which applicable with the contact material |
| Output Signal/Power Supply |
| Output Signal/ | RS485 |
| Power Supply | Vs=3.1~8 VDC(lithium-ion battery inside ER14250,3.6V 1200mAh)
Vs=5VDC (External power supply)
Vs=24VDC (External power supply) |
| Power Consumption |
| Standby current | <20uA |
| Date collection cycle | 0~65535s |
| Power Consumption | About 200uA with date collection cycle as 1s
About 70uA with date collection cycle as 3s
About 50uA with date collection cycle as 5s
...
Note:Longer date collection cycle, lower consumption, |
| Performance |
| Accuracy | ±0.5%FS |
| Long-term stab. | ±0.25%FS/year |
| Environmental |
| Temperature Ambient | Medium temperature:-40~100ºC
LCD display:-30~70ºC
Storage temperature:-30~70ºC |
| Protection | IP68(Displacer part)
IP65(Gauge part) |
| Thermal Offset |
| Compensated Temp. | -10~70ºC |
| Zero point | ±1.5%FS(reference 30ºC,within compensated temperature range) |
| Full scale point | ±1.5%FS(reference 30ºC,within compensated temperature range) |
| Electronic protection |
| Reverse polarity protection | No damage. Product will not work. |
| EMC | Compliance EN 61326 |
| Mechanical Stability |
| Vibration | 20g(20~5000Hz) |
| Shock | 20g(11ms) |
| Insulation |
| Insulation resistance | >100MΩ,500VDC |
| Insulation voltage | 500VAC 50Hz voltage,no breakdown or arc within 1min |
ProfilesHousing material | Code | Part | Note |
| S4 | Displacer part | 304 |
| S6 | 316L |
| M1 | Pressure sensor | Silicon Piezoresistive,316L |
| F1 | O ring | FKM(working temperature: -20~200ºC) |
| F3 | NBR(working temperature: -40~120ºC) |
| C2U | Cable | PU,external diameter(7.2±0.2)mm |
| C2N | NBR,external diameter(7.2±0.2)mm |
| C2F | Fluoroplastic cable,external diameter(7.2±0.2)mm |
| Y1 | Construction of display/gauge part | Cast aluminum alloy |
Electronic Connection | Output signal | Four wires Modbus-RTU/RS485 |
| Definition | Supply(+V) | Supply(-V) | RS485A | RS485B |
| Battery compartment/ Terminal | Battery+ | Battery- | 485A | 485B |
Ordering Guide:| Code | Type | |
| HPM420L | Low power comsumption Level Transmitter |
| | Range | Note | |
| (0~X)mH2O (Ln) | X is the measurement range for level
Ln is the length of the cable |
| | Code | Output signal | |
| B7 | RS485 |
| | Code | Material of Cable | |
| C2N | NBR/nitrile -butadiene rubber |
| C2U | PU/polyurethane |
| C2F | Fluoroplastic cable |
| | Code | Top cable fixing | |
| M30 | M30×1.5 |
| G12 | G1/2 |
| F20 | DN20 Flange |
| | Code | Pressure sensor | |
| M1 | Silicon Piezoresistive,316L |
| | Code | Displacer part | |
| S4 | 304 |
| S6 | 316L |
| | Code | Others |
| VL36 | 3.6V lithium-ion battery(Default) |
| V5 | 5V DC |
| V24 | 24V DC |
| QF | With factory test report |
| | Other customized requests |
| HPM420L | (0~1)mH2O (L2) | B7 | C2N | M30 | M1 | S4 | VL36 |
Other recommendation:HPM420W(Click): - Similar profile with current product, while measurement range up to 0~1…100mH2O
- Power supply 24VDC(18`36V), no battery
HPM410W-F (Click)- Level transmitter with flange cage(304 or 316L)
- w/o display; output signal 4~20 mADC , or 0~5VDC, or 1~10VDC
HPM47W(Click)- ceramic capacitor pressure sensor, Anti-corrosive
- Over 9 kinds of housing material/Displacer part for choice
Certification:FAQ:1. Q: Are you manufacturer or trading company? A: We are manufacturer which focuses on sensor for 10 years.2. Q: What's your quality control system? A: MC, ISO9001, CE Certificated.3. Q: What is the warranty of your products? A: Our warranty time is 18 months after shipment. 4. Q: What is lead time of your product?
A: Normally, our factory lead time is within 10~15 working days for products without customization. You can also check lead time detail with our sales depending on different items. 5. Q: Do you provide customized products?
A: Yes, we can laser mark your logo on products; OEM and ODM customization are welcomed. 6. Q: What is your MOQ?
A: We have no MOQ limit, small quantity order is acceptable. 7. Q: What's the transport?
A: Express such as DHL, FedEx, TNT, UPS for freight prepaid; and we can also use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea. 8. Q: What is your terms of payment ?
A: We could accept T/T, Paypal, WU.
Complaint
