BH93420-I Liquid Level Transmitter
Cost-effective 4-20mA probe sensor transducer with measurement ranges from 0-1m to 0-100m
Product Overview
The BH93420-I liquid level transmitter utilizes HT series high-precision piezoresistive diffused silicon pressure sensors. Featuring a fully welded stainless steel housing with hexagonal and water guide head design, this transmitter employs advanced waterproof sealing technology to meet various installation requirements and adapt to diverse application scenarios.



Key Features
- Fully welded design for safety and reliability
- Dual installation options: probe insertion and threaded mounting
- Rigorously tested for high and low temperature performance
- Explosion-proof certification: ExiaIICT6
- Multiple cable material options: PTFE, PU, PE
- Various output signal configurations available
Applications
- Compatible with 316L stainless steel and non-corrosive liquids
- Water level monitoring for sewage, industrial water, municipal water systems, tanks, wells, rivers, seawater, and lakes
- Fuel level measurement in diesel and fuel tanks
Performance Parameters
| Measurement Range | 0~10m…400m |
| Pressure Type | Gauge Pressure, Absolute Pressure, Sealed Pressure |
| Overload | ≤ 2X rated range |
| Accuracy @ 25ºC | ±0.25% (Typ.) ±0.5% (Max.) |
| Repeatability | ±0.03% (Typ.) ±0.05%FS (Max.) |
| Hysteresis | ±0.03% (Typ.) ±0.05%FS (Max.) |
| Long-Term Stability | ±0.2%F.S/year (Max.) |
| Zero Temperature Drift | ±0.01%FS/ºC(>100KPa), ±0.02%FS/ºC (≤100Kpa) |
| Span Temperature Drift | ±0.01%FS/ºC(>100KPa), ±0.02%FS/ºC (≤100Kpa) |
| Compensation Temperature | 0-50ºC (0-1m . 0-2m); 0-70ºC |
| Operating Temperature | -20~80ºC |
| Storage Temperature | -30~100ºC |
| Vibration | 10g,55Hz ~ 2kHz |
| Shock | 100g |
| Housing Material | 1Cr18Ni9Ti,316L Stainless Steel |
| Diaphragm Material | 316L Stainless Steel |
| Insulation Resistance | >=100MΩ@100VDC |
| Explosion-proof Rating | ExiaIICT6 |
| Protection Rating | IP67, IP68 |
| O-Ring Seal | Fluoro rubber |
| Weight | ~0.3Kg (without cable) |
| Cable Material | Polyethylene, Polyurethane |
Output Signal Specifications
| Output Signal | Supply Voltage | Output Type |
|---|
| 4~20mA | 12~30VDC | 2/3/4 wire |
| 0~10/20mA | | 3 wire |
| 0/1~5V | 5VDC | |
| 0/1~10V |
| 0.5~4.5V |
Product Construction




Electrical Connection

Selection Guide

Ordering Information
Important Ordering Considerations
- Verify compatibility between measured medium and product components
- Specify the density of the measured medium
- Disclose strong electromagnetic or radio frequency interference environments
- Install lightning protection devices and ensure proper grounding for reliable operation
Order Guide Structure
| Component | Code | Description |
|---|
| Product Line | BH93420 | Pressure Transmitter |
| Measurement Range | | 0~10m…400m |
| Power Supply | D1 | 24VDC |
| D2 | 5VDC |
| D3 | Other |
| Output Signal | S1 | 4~20mADC |
| S2 | 1~5VDC |
| S3 | 0~5VDC |
| S4 | 0~10mADC |
| S5 | 0~20mADC |
| S6 | 0~10VDC |
| S7 | 0.5~4.5VDC |
| S8 | RS485 |
| Pressure Type | G | Gauge Pressure |
| A | Absolute Pressure |
| S | Sealed Reference Pressure |
| Material | 01 | 304 Stainless Steel |
| 02 | 316L Stainless Steel |
| Cable Material | C1 | PU |
| C2 | PTFE |
Frequently Asked Questions
What are the features of your pressure sensor transmitters?
High precision, durability, and excellent performance. Customization available.
Can I customize special specifications?
Yes, our engineers can tailor products to meet specific needs. We provide OEM and ODM service.
What is your production capacity?
Our manufacturing facilities can produce up to 30,000 pressure sensor transmitters per month, so we are fully capable of meeting the needs of large-scale orders. However, it is advisable to contact our sales team in advance to ensure smooth production and delivery scheduling.
What's the typical delivery period?
5~8 working days for standard models. Customized products may vary.
How are the products priced? Any discounts?
Competitive pricing with discounts for bulk orders or long-term partners.
What is the warranty of your products? And after-sales service?
Our warranty time is 24 months after shipment, and our after-sales will respond to your questions within 24 hours. Remote instruction by PC network is always available.






