Professional English Translation of NY70 Series Fire Protection Low-Pressure Switch Specifications?

Product Identification?

Manufacturer?: Shanghai Zanke Automation

Model?: NY70

Type?: Digital display low-pressure switch for fire protection systems

Mechanical Specifications?

Housing?: High-pressure sealed construction

Display?: Digital readout (100mm diameter dial)

Pressure Interface?: G1/4, M20×1.5, or G1 thread options

Wetted Materials?: 304 stainless steel (connections), 316 stainless steel (media contact)

Electrical Parameters?

Parameter Specification

Measurement Range? 0-1/10/16/25/50/100/250/400/600 Bar

Overload Capacity? 150% of range

Setpoint Adjustment? Configurable upper/lower limits

Output Signal? Relay (NO/NC): Upper limit open, lower limit close

Accuracy? ±0.5% FS

Long-term Stability? Typical ±0.2% FS/year

Load Capacity? 250V AC, 10A

Power Supply? 12/24V DC or 220/380V AC (selectable)

Sampling Rate? 5Hz

Environmental Ratings?

Operating Temperature?: -20°C to +80°C

Temperature Compensation?: -10°C to +60°C

Ingress Protection?: Not specified (implied industrial grade)

Safety Features?

Short-circuit protection

Reverse polarity protection (DC models)

EMI-resistant design

Wiring Configuration?

Power?: Red (+), Blue (-)

Output?: Black/White (dry contact signal)

Compliance & Applications?

Designed for fire protection pipelines per 2014 Fire Code

Compatible media: Liquids/gases compatible with 316 stainless steel