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TEC PH-4 Precision Aerosol Photometer

The PH-4 digital photometer from U.S based TEC Services Incorporated is the world’s most compact and advanced digital aerosol photometer for filter testing applications. It’s the perfect tool for Australian and New Zealand companies wanting to test HEPA filters to the AS 1807 Australian standard

It’s small, compact and light weight and the sampling probe even fits in the same compact case along with the unit. The PH-4 utilizes a high resolution graphics display providing an easy to read panel display. The extremely simple menu-driven software system utilizes command prompts to inform the user of each setup process. This powerful microprocessor provides control of numerous functions, not available on any other aerosol photometer.

The PH-4 plug and play probe is light weight and features remote control of alarm options (includes a visual, audible, and vibrating alarm). The machined aluminum housing and heavy duty metal connector to the main unit provides many years of trouble-free operation.
 Other features include a detachable shoulder strap and cabinet storage for the probe.

  • High Resolution Graphical Display
  • Menu-Driven Software Functions
  • Automatic Zeroing and Ranging
  • Proven LED Light Source (Light Chamber)
  • Reference Settings for Multiple Testing Reagents
  • Retains Reference Settings When Powered Off
  • Displays Upstream Ref. / Concentration Setting
  • Stable at Low Concentrations of Aerosol (≥ 10ug/l)
  • Probe Selectable Audible, Visual, Vibrating Alarms
  • Plug and Play Probe – 11 foot length
  • USB Interface
  • Lightweight Heavy Duty Black Aluminum Case
  • Detachable Shoulder Strap
  • Accepts Worldwide Operating Voltages
  • Storage Area for Probe and Accessories
Technical Specifications:

  • Case: Black Aluminum with combination lock
  • Size:  13″ L x 18″ W x 6.5″ H
  • Weight: 20 lbs. (9.1 kg)
  • Power: 100-250 VAC 50/60 Hz
  • Power Consumption: .92Amps @ 120V   .46Amps @ 240V
  • Minimum Display Reading: .0001%
  • Maximum Display Reading: 1000%
  • Sample Flow Rate: 1 CFM (28.3 SLPM)

Available Options

  • Probe Extension – 11 foot length
  • Spare Parts Kit
  • Aerosol generators

Product Brochure

User Manual


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