Honeywell Citytech PH3 3E 5 F LT Sensor Datasheet
Summary
High-precision electrochemical sensor designed for reliable detection of Phosphine ($\text{PH}_3$) gas in critical life safety applications. This manual provides comprehensive technical specifications, including measurement ranges (0-5 ppm), advanced performance data (low limits/drift), and operational guidelines necessary for proper integration. Suitable for industrial monitoring and fixed/portable systems, it details requirements for optimal performance, cross-sensitivity information, usage precautions (e.g., avoiding solvent exposure), and recommended maintenance procedures for technical professionals and safety engineers.
Page 1 Text Content
Sensoric PH3 3E 5 F LT Phosphine (PH3) Gas Sensor with H2S Filter
Patent: US 7060169 B2
Key Features & Benefits: Excellent stability • Resistant to drying out • Reliable in continuous flow applications
Technical Specifications Part Numbers
MEASUREMENT
PH3 3E 5 F LT Part Number
Operating Principle 3-electrode electrochemical
Mini 0635-237-30009
Measurement Range 0-5 ppm PH3 Maximum Overload 20 ppm 4 Series 0635-237-30049 Lower Detection Limit < 30 ppb when using
7 Series 0635-237-30079
recommended electronics
Filter To remove H2S Classic 0635-237-30069
Filter Capacity 200 ppm hr
Smart 0635-237-30259
Sensitivity 2000 ± 500 n A/ppm
Transmitter 0635-237-30659
Response Time (T90) <30 Seconds Baseline Offset (clean air) < ±20 n A Zero Shift (-40°C to +50°C) < ±20 ppb Orders should be placed through Repeatability <2 % of signal Sensoric Gas Sensors in Bonn.
Linearity <10% of full scale
Available in:
ELECTRICAL Recommended Load Resistor 1.5 kΩ Bias Voltage 0 V Resolution Dependent on Electronics <15 ppb when using recommended circuitry MECHANICAL Housing Material PPO Noryl Weight 4.5 g Orientation Any
ENVIRONMENTAL
Typical Applications Portable & fixed life safety
Operating Temperature Range:
Continuous -20°C to +50°C Intermittent -40°C to +50°C
Operating Pressure Range Atmospheric ± 10% Operating Humidity Range 10% to 95% RH non-condensing
INTRINSIC SAFETY DATA IMPORTANT NOTE: Connection should be made via PCB sockets only. Soldering to pins
Maximum at 2000ppm <0.2 m A at 100 ppm
will render your warranty void.
Maximum o/c Voltage <500 m V Maximum s/c Current <1.0 A
All performance data is based on conditions
LIFETIME at 20°C, 50%RH and ambient pressure
Long Term Output Drift <5% per 6 months using Sensoric recommended circuitry. For Expected Operating Life 2 years in normal use information on sensor performance under
Storage Life 3 months in sealed container other conditions, refer to the Operating Standard Warranty 12 months from date of despatch Principles.
Doc. Ref.: ph33e5flt.indd Issue 2 ECN I 2423 Page 1 of 3 20th June 2011
Page Summary Contents For Honeywell Citytech PH3 3E 5 F LT Sensor Datasheet
Manual Details
| Brand | Honeywell |
|---|---|
| Pages | 3 |
| File Size | 1.23 MB |
| Published | June 05, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What connection method should be used when installing the sensor?
The connection must be made via PCB sockets only; do not solder directly to pins.
How often should I perform a 'bump check' using this device?
It is required before each use of the sensor and/or instrument to ensure proper operation and protect safety.
What materials are prohibited near the Sensoric cells during fitting?
Avoid gluing directly on or near the cells, as solvents may cause crazing of the plastic material.
What is the expected operational life in normal use?
The sensor has an expected operating life of 2 years under normal usage conditions.