MSM-P100-010
Low-pressure transmitter with 0-100kPa range, 0-10V output, IP65 rating, optimized for air pressure and clean room applications.
Product Overview
Description
The MSM-P100-010 is a low-pressure transmitter specifically designed for air pressure measurement in HVAC and clean room applications. The 0-100kPa range provides excellent resolution for low-pressure systems.
With ±0.5% accuracy and 0-10V output, this transmitter integrates seamlessly with building automation systems. The IP65 enclosure protects against dust and moisture in mechanical rooms.
The optimized pressure range provides 4x better resolution than standard 0-400kPa transmitters for air pressure applications. Stainless steel construction ensures compatibility with air and common HVAC gases.
Product Series
MSM
Primary Application
Clean room pressure monitoring
Key Features
- Optimized 0-100kPa range for air pressure
- 4x better resolution than 0-400kPa models
- 0-10V output for BMS integration
- ±0.5% accuracy for precise measurement
- IP65 enclosure for HVAC environments
- Stainless steel construction
Specifications
| Pressure Range | 0-100kPa (Gauge) |
|---|---|
| Output Signal | 0-10V (3-wire) |
| Accuracy | ±0.5% FS |
| Supply Voltage | 12-30VDC |
| Enclosure Rating | IP65 |
| Process Connection | G1/4 Male |
| Wetted Materials | 316L Stainless Steel |
| Operating Temperature | -10°C to +60°C |
Applications
Clean room pressure monitoring
Electronic system design
Low-pressure air systems
Electronic system design
Duct static pressure
Electronic system design
Filter differential pressure
Electronic system design
Fume hood monitoring
Electronic system design
Laboratory air systems
Electronic system design
FAE Expert Insights
"The MSM-P100-010 is essential for low-pressure air applications where standard transmitters don't provide adequate resolution. In clean room and laboratory applications, we're often measuring pressures in the 0.1-2 kPa range - the 0-100kPa range gives us 4x better resolution than 0-400kPa models. I've used these in pharmaceutical clean rooms, hospital isolation rooms, and laboratory fume hoods with excellent results. The 0-10V output connects directly to BMS controllers. The accuracy is excellent for these critical applications where maintaining proper pressure differentials is essential for safety and contamination control. The G1/4 connection works with standard pneumatic fittings used in air systems. I recommend this transmitter whenever measuring air pressures below 50kPa - the improved resolution provides better control and monitoring. The stainless steel construction is compatible with clean room environments."
Optimized low-pressure range with 4x better resolution for air applications
— Michael Wang, BeiLuo
Frequently Asked Questions
Why choose 0-100kPa over 0-400kPa for air applications?
The 0-100kPa range provides better resolution for low-pressure air applications: 1) 4x better resolution - 100kPa/10000 counts = 0.01kPa (0.1 mbar) vs 0.04kPa; 2) Better accuracy at low pressures - same ±0.5% FS means ±0.5kPa error vs ±2kPa; 3) Better signal-to-noise ratio for small pressure changes; 4) Typical HVAC air pressures are 0.5-5kPa - using only 1-5% of 0-400kPa range wastes resolution. For example, measuring 2kPa duct pressure: 0-100kPa uses 2% of range with good resolution; 0-400kPa uses only 0.5% with poor resolution. The 0-100kPa transmitter provides more precise measurement and control for air systems.
Use 0-100kPa for air pressure <50kPa. Use 0-400kPa for water or higher-pressure applications.
What clean room applications is this suitable for?
The MSM-P100-010 is suitable for various clean room pressure monitoring: 1) Room differential pressure - monitoring positive/negative pressure vs adjacent spaces; 2) Filter monitoring - measuring pressure drop across HEPA filters; 3) Airflow measurement - converting velocity pressure to airflow rate; 4) Fume hood face velocity - monitoring static pressure for safety; 5) Isolation room pressure - ensuring proper containment. The ±0.5% accuracy ensures reliable pressure differentials for contamination control. The stainless steel construction meets clean room material requirements. The 0-10V output integrates with clean room monitoring systems. Typical clean room differentials are 10-50 Pa (0.01-0.05kPa) - the transmitter's resolution can detect these small pressures.
Suitable for all clean room pressure monitoring. Resolution adequate for typical 10-50 Pa differentials.
How do I measure differential pressure with this transmitter?
To measure differential pressure with the MSM-P100-010: 1) Use two transmitters - one upstream, one downstream; 2) Connect both to BMS and calculate differential in software; 3) Or use a differential pressure transmitter with dual ports. For filter monitoring: 1) Mount one transmitter upstream of filter; 2) Mount second transmitter downstream; 3) Differential = Upstream - Downstream; 4) Set alarm when differential exceeds limit (indicating dirty filter). For room differential: 1) One transmitter in clean room; 2) One in adjacent area; 3) Monitor difference for proper pressure cascade. The 0-100kPa range is suitable for most HVAC differential pressures (typically <10kPa). For very low differentials (<1kPa), the resolution is adequate for reliable measurement.
Use two transmitters for differential measurement. Calculate differential in BMS or use dedicated differential transmitter.
Can this transmitter be used for water applications?
The MSM-P100-010 can be used for low-pressure water applications, but with limitations: 1) 0-100kPa = 0-10m water column - suitable for very low water pressures only; 2) Most water applications (pumps, hydronics) require 0-400kPa or higher; 3) The transmitter is compatible with water - stainless steel construction resists corrosion. For water applications: 1) Verify pressure range is adequate (add 50% safety margin); 2) Install with isolation valve for maintenance; 3) Mount below pipe to avoid air pockets; 4) Use for: open tank level (10m max), very low-pressure water systems, drip irrigation. For typical HVAC water systems, use MSM-P400-010 or MSM-P400-420 instead. The 0-100kPa range is primarily designed for air and very low-pressure fluids.
Use for water only if pressure <50kPa. For typical water applications, select higher-range models.
What is the minimum measurable pressure?
The MSM-P100-010 can reliably measure pressures down to approximately 0.1kPa (100 Pa, 0.4 inH2O): 1) Theoretical resolution: 100kPa / 10000 ADC counts = 0.01kPa per count; 2) Practical minimum: ~10 counts = 0.1kPa with reasonable accuracy; 3) Below 0.1kPa, noise and offset errors become significant; 4) Zero offset drift may affect very low measurements. For reference: 1) 0.1kPa ≈ 0.4 inches water column; 2) Typical duct velocity pressure: 0.1-0.5kPa; 3) Clean room differential: 0.01-0.05kPa (may be at limit). For pressures below 0.1kPa, consider specialized low-pressure transmitters or differential pressure sensors designed for very low ranges. The transmitter can indicate pressures below 0.1kPa but accuracy is not guaranteed.
Reliable measurement down to 0.1kPa. Below this, accuracy degrades. Consider specialized sensors for very low pressures.