GasClam® is a registered trade mark of Intelisys Ltd T/A Salamander Group ©2018 Salamander Group

Technical Specifications

Parameter Method/Type Range Resolution Accuracy Linearity
CH4** Infrared 0-100% or
0-5%
1% of FSD above 50%,
0.5% below 50%
+/- 2% FSD +/- 2% FSD
or 10% reading
CO2** Infrared 0-100% or
0-5%
1% of FSD above 50%,
0.5% below 50%
+/- 2% FSD +/- 2% FSD
or 10% reading
O2 Electrochemical 0-25% 0.10% vol +/-5% of reading
+/- 1 digit
>1% O2 deviations
@ 10% O2
CO* Electrochemical 0-2000ppm 1ppm +/- 3ppm at 0,
+/- 5% at 250ppm
+/- 10% full scale
+/- 5% 0-500ppm
+/- 10% full scale
H2S* Electrochemical 0-100ppm 1ppm +/- 1ppm at 0,
+/- 2.5% at 50ppm
+/- 5%
VOC* PID 0-6000ppm 1ppm +/- 5% of reading
+/- 1 digit
+/- 5% to 100ppm
Temperature Internal Chip -5°C to +50°C or
22°F to 122°F
0.1°C or 1°F

Barometric Pressure Piezoelectric 800 to 1250 mBar 1 mBar

Borehole Pressue Piezoelectric 800 to 1250 mBar 1 mBar

Water Depth* Piezoelectric 0-27 m 0.01 m

* Optional        ** Choice of two IR sensors

Physical/Mechanical Specification

Memory 65000 time/date stamped reading
Power Internal x 2 Alkaline D-cells or rechargeable battery pack
Battery Life Approx. 2-3 months (based on hourly sampling with rechargeable battery pack)
Case High quality stainless steel
Weight 7.5 kg (16.8 lbs)
Dimensions Overall length: 85cm (33 1/2 in)
Borehole tube length: 78cm (30 3/4 in)
Head diameter: 10.9cm (4 1/4 in)
Borehole tube diameter: 4.5cm (1.77 in)
Protection IP68 rated (continuous submersion)
Operation Temperature oC to +40 oC (32 oF to 104 oF)
Approvals CE
EMC, ATEX 0105 X
Ex II 2G
Ex d ib [ib] I1B T4
IECEx Ex d ib [ib] IIB T4 Gb
CSA C (US & Canadian approvals) Class 1, Zone 1
(A)Ex d idllB T4
European and World-wide Patented

Specifications obtained under laboratory conditions of gas flow, temperature and humidity. Field performance is dependent on the correct installation procedures being followed, environmental conditions, frequent sensor cleaning and regular calibration.  Some of the sensors have cross sensitivity. Details are subject to change without notice. Please contact us for more information.