Hongsen Pressure Gauge – Model Selection
The Hongsen Pressure Gauge is available in multiple models to meet different refrigerant and HVACR system requirements. The series offers high-side (H) and low-side (L) models, with different dial sizes and refrigerant compatibility options for professional pressure monitoring.
Model Selection Description
- 213# H / 213# L: Designed for R404A, R407C, R22, and R134a systems with a 70 mm (2-1/2″) dial.
- 211# H / 211# L: Compatible with R410A, R22, R134a, and R404A, featuring a 70 mm (2-1/2″) dial.
- 201# H / 201# L: Suitable for R404A, R407C, R22, and R134a, with an 80 mm (3-1/8″) dial.
- 200# H / 200# L: Designed for R32 and R410A systems, featuring an 80 mm (3-1/8″) dial.
Key Specifications
- High & Low-Side Models: H models are designed for high-side pressure monitoring, while L models are intended for low-side applications.
- Dial Options: Available in 70 mm (2-1/2″) and 80 mm (3-1/8″) sizes.
- Pressure Unit: psi/bar
- Temperature Unit: °C
- Connector: 1/8 NPT
- Multiple Refrigerant Options: Supports common refrigerants including R32, R410A, R404A, R407C, R22, and R134a, depending on the model.
These pressure gauges are suitable for air conditioning maintenance, refrigeration servicing, pressure testing, refrigerant charging, and HVACR system diagnostics, making them a practical choice for professional HVAC technicians in the UAE.

