| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615980777398 | |||||||
| +8615980777398 | ||||||||
| +8615980777398 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Honeywell 621-3500 Product Overview
The Honeywell 621-3500 is a high-performance pressure transducer designed for industrial applications. It provides accurate and reliable pressure measurements in demanding environments. This product is widely used in industries such as oil and gas, HVAC, automotive, and manufacturing due to its robust construction and precision.
Product Advantages
- High Accuracy – Delivers precise pressure readings with minimal deviation.
- Durability – Built with rugged materials to withstand harsh industrial conditions.
- Wide Operating Range – Suitable for various pressure ranges and media types.
- Stable Performance – Low drift over time ensures long-term reliability.
- Easy Installation – Compact design with multiple mounting options.
- Compatibility – Works seamlessly with Honeywell’s automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 621-3500 |
| Pressure Range | 0-100 psi (other ranges available) |
| Output Signal | 4-20 mA, 0-5 VDC, or 0-10 VDC |
| Accuracy | ±0.25% Full Scale |
| Operating Temperature | -40°F to 185°F (-40°C to 85°C) |
| Electrical Connection | 5-pin DIN connector |
| Housing Material | Stainless steel |
| Weight | 0.2kg |
| Dimensions | 158x 47x 108mm |
| Voltage Supply | 12-30 VDC |
| Media Compatibility | Oil, gas, water, air |
Applications
The Honeywell 621-3500 is suitable for:
- Industrial Automation – Monitoring hydraulic and pneumatic systems.
- HVAC Systems – Measuring refrigerant and air pressure.
- Oil & Gas – Wellhead and pipeline pressure monitoring.
- Automotive Testing – Engine and fuel system diagnostics.
- Water Treatment – Pump and filtration system control.
Compatible Models
The 621-3500 can be paired with:
- Honeywell 622-1000 (Signal conditioner)
- Honeywell 780-1000 (Display module)
- Honeywell 789-5000 (Data logger)
- Honeywell 786-2000 (Amplifier)
Installation Instructions
- Mounting – Secure the transducer in a vibration-free location.
- Electrical Connection – Connect wires as per the wiring diagram (ensure proper polarity).
- Pressure Port – Use appropriate fittings to avoid leaks.
- Calibration – Verify zero and span before operation.
- Testing – Apply pressure gradually to check output signal consistency.
Recommended Similar Models (Same Series)
| Model | Pressure Range | Output | Accuracy | Voltage | Dimensions | Weight |
|---|---|---|---|---|---|---|
| 621-3600 | 0-500 psi | 4-20 mA | ±0.25% FS | 12-30 VDC | 2.5″ x 1.8″ x 1.2″ | 0.5 lbs |
| 621-3700 | 0-1000 psi | 0-10 VDC | ±0.35% FS | 15-30 VDC | 2.7″ x 2.0″ x 1.3″ | 0.6 lbs |
| 621-3800 | 0-3000 psi | 4-20 mA | ±0.5% FS | 12-30 VDC | 3.0″ x 2.2″ x 1.5″ | 0.8 lbs |
| 621-3900 | -14.7 to 500 psi | 0-5 VDC | ±0.25% FS | 10-28 VDC | 2.5″ x 1.8″ x 1.2″ | 0.5 lbs |
| 621-4000 | 0-200 psi | 4-20 mA | ±0.2% FS | 12-30 VDC | 2.5″ x 1.8″ x 1.2″ | 0.5 lbs |
| 621-4100 | 0-5000 psi | 0-10 VDC | ±0.5% FS | 15-30 VDC | 3.2″ x 2.5″ x 1.8″ | 1.0 lbs |
Popular Honeywell Models (Other Series)
| Model | Type | Range | Output | Voltage | Dimensions | Weight |
|---|---|---|---|---|---|---|
| PX3-1KGA5 | Pressure Sensor | 0-1000 psi | Analog | 5 VDC | 1.5″ x 1.0″ x 0.8″ | 0.2 lbs |
| TSC Series | Temperature Sensor | -40°C to 125°C | Digital | 3-5 VDC | 0.8″ x 0.6″ x 0.3″ | 0.1 lbs |
| HIH-4000 | Humidity Sensor | 0-100% RH | 0.8-3.9 VDC | 4-5.8 VDC | 0.6″ x 0.5″ x 0.3″ | 0.05 lbs |
| FSG15N1A | Force Sensor | 0-15 N | mV/V | 10 VDC | 1.2″ x 1.0″ x 0.5″ | 0.3 lbs |
| RSC Series | Strain Gauge | 0-350 bar | 4-20 mA | 12-30 VDC | 2.0″ x 1.5″ x 1.0″ | 0.4 lbs |
| MLH Series | Load Cell | 0-500 kg | 2 mV/V | 10 VDC | 3.0″ x 2.0″ x 1.5″ | 1.2 lbs |
| HSC Series | Pressure Transducer | 0-30 psi | I2C | 3.3-5 VDC | 0.5″ x 0.5″ x 0.3″ | 0.1 lbs |
| HPA Series | Absolute Pressure Sensor | 0-15 psi | Analog | 5 VDC | 1.0″ x 0.8″ x 0.5″ | 0.2 lbs |
FAQ (Frequently Asked Questions)
Q1: What is the warranty period for the 621-3500?
A1: Honeywell provides a standard 2-year warranty for this model.
Q2: Can the 621-3500 measure corrosive media?
A2: Yes, if equipped with a compatible diaphragm (specify material when ordering).
Q3: What is the response time of this transducer?
A3: Typically less than 5 milliseconds.
Q4: Is calibration required before use?
A4: Factory calibration is included, but field verification is recommended.
Q5: Can it operate in explosive environments?
A5: Only if an ATEX-certified version is selected.
Q6: What is the maximum allowable overpressure?
A6: 150% of the rated range for short durations.
Honeywell 621-3500 INPUT MODULE
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615980777398 | |||||||
| +8615980777398 | ||||||||
| +8615980777398 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Does this product come with a warranty?
Yes, we offer a 1-year warranty and support returns and exchanges to fully protect your rights.
How to verify products before purchase?
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation.
How long does shipping take?
Shipping times vary by location. With our 16 global warehouses, we strive for fast delivery. Contact us for an estimated delivery time.
What is the minimum order quantity (MOQ)?
The MOQ is usually one unit. For bulk orders, please contact us for discounts and pricing details.
Can I get discounts for bulk purchases?
Yes, we offer competitive pricing for bulk purchases. Contact our sales team for a custom quote.
What payment methods do you accept for wholesale orders?
We accept various methods, including bank transfers (T/T), letters of credit (L/C), and more upon agreement.
Can I purchase different quantities of a product?
Yes, we offer flexible ordering options, whether you need a single unit or a large batch.
Are there discounts for new wholesale customers?
We occasionally offer promotional discounts for new wholesale customers. Contact us for current offers.
How can I ensure compatibility with my existing systems?
If unsure, please provide your system details, and our support team will verify compatibility before purchase.
Can I return products if they don’t meet my requirements?
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Return shipping costs are the buyer's responsibility.
Do you provide technical support or installation services?
Yes, we offer technical support for installation, configuration, and troubleshooting.
Comment
Please leave your comments, we value your opinions very much.
Write your message here and send it to us
