Acrulog H2S Parts Per Billion Monitor

Continuous, low level, H2S environmental gas monitoring with micro sampling technology

Acrulog H2S GAS Monitor

The Acrulog™ H2S Parts Per Billion Monitor (PPB) is a portable gas data-logger designed for indoor and outdoor environmental applications, to record low levels (0-2000PPB) of Hydrogen Sulphide (H2S), at sampling intervals of between 10 minutes and 18 hours.

Standard model features built-in sample pump, internal batteries. Optional outputs: 4-20mA, RS485, 4G LTE-M or NB-IoT. External power input is available and included with the 4-20mA or RS485 cable waterproof cable (5-24VDC).

The Acrulog™ H2S Parts Per Billion Monitor (PPB) logs and provides data to ensure that offensive and nuisance odour emissions are within acceptable environmental levels.

All logged data can be logged and easily downloaded via Bluetooth® wireless technology and viewed in the custom graphing and data analysis Acrustat software.

Available to purchase or rent enquire

Download produce brochure here


Wireless download of data via Bluetooth® technology

Battery backup with 2 x 1.5v D Alkaline batteries up to 21 days

Battery backup with 2 x 3.6v D Lithium Metal batteries up to 60 days

Logging capacity of 3 million data points

Large, clear, informative alpha - numeric display

External filter for easy replacement

Easy to download data using custom Acrustat software

Modified IP67 case with easy access to change batteries (no tools required)

Touch switch to access main menu

Optional Outputs:

  • 4 – 20mA or RS485,
  • 4G LTE-M or NB-IoT

The Acrulog PPB Hydrogen Sulphide monitor is designed for indoor and outdoor continual use and will record low levels of H2S down to as little as 3PPB.

Typical Applications

Fence line monitoring

Plant perimeter

Scrubber outlet monitoring

Environmental odour control studies

Corrosion studies

Optional Extras


Sample Line (3m/10ft)

for 15 meter (50 feet) sampling range see Dilution model


Feature Specifications
Measurement Range 0-2000 PPB
Zero Drift < +/-10ppb at NTP (Normal temperature and pressure)
Accuracy < +/-10% of reading over range at NTP calibrated on 500ppb
Instrument Temp Range -10C to 50C (14F —122F)
Sensor Temp Range -10C to 40C (14F —104F)
Relative Humidity Range 0-100% non-condensing
Ingress Protection Housed in a modified IP67 case
External Dimensions 205mm x 97mm x 63mm (8” x 3.8” x 2.5”)
Instrument Weight 850 grams with Alkaline batteries fitted (30oz / 1.8 pounds)
Logging Interval 10 minutes to 18 hours
Logging Capacity 3 million data points
Internal Power Supply 2 x 3.6v D size Lithium Metal or 2 x 1.5v D size Alkaline batteries
Wireless Communication Data download via Bluetooth®
Humidity Accuracy +/-5% RH @ 55% RH
Humidity Sensor Range 0-100%
Temperature Accuracy +/- 0.3 @ 25C (77F)
Output Options
  • 4-20mA or RS485
  • 4G LTE CAT M1 or NB-IoT
Warranty 12 Months

Contact us


What Are You Interested In?

Download produce brochure here