Tel  :  + 27 11 704 7001 / 5 / 8

Impact Instruments is a wholly women owned, EME, with a Level 4 BBBEE status. Established in 2004 as sole agent and or distributor for several leading, international brands. Our territory covers South Africa and surrounding SADC countries, where agreements permit. With more than fourty years combined industry experience, we provide technical equipment solutions across the industry covering electrical, mechanical, environmental and damage to goods in transit. We guarantee high quality products and an outstanding level of service at all times.

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Features
       Technical data

1. General parameters

Dimensions (H x W x D) 240mm x 175mm x 70mm
Weight(depends on equipment) 1,1kg - 1,2kg
Casing material ABS
Operating conditions T: 10°C -  50°C, RH: 5% - 90% (non-condensing)
Power consumption (analyser only) 10W
Protection grade IP52
Gas pump Membrane | 12VDC |1.5l/min (90l/h) - with automatic flow control
Solenoid valve 3-way | 12VDC
Current analogue outputs 1 output 0 mA - 20 mA or 4 mA - 20 mA
Alarm (open drain) 1 relay output
Communication interface with PC computer MODBUS 485 / RS485
Gas inlets/outlets INOX | for PTFE 4x6mm hose

5. Gas sensors

Table below shows the possible sensors / ranges that can be installed in SENMA.

Component Method Range | resolution Accuracy Time (T90)
O2 – Oxygen Electrochemical 20.95% | 0.01% ± 0.1% abs. or 5% rel. 45 sec
CO – Carbon monoxide Electrochemical 4 000ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec
CO – Carbon monoxide NDIR 10% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CO – Carbon monoxide NDIR 25% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CO – Carbon monoxide NDIR 50% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CO – Carbon monoxide NDIR 100% | 0.1% ± 0.5% abs. or 5% rel. 45 sec
CO2 – Carbon dioxide NDIR 1% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CO2 – Carbon dioxide NDIR 5% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CO2 – Carbon dioxide NDIR 10% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CO2 – Carbon dioxide NDIR 25% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CO2 – Carbon dioxide NDIR 100% | 0.1% ± 0.5% abs. or 5% rel. 45 sec
CH4 – Methane NDIR 1% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CH4 – Methane NDIR 5% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CH4 – Methane NDIR 10% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CH4 – Methane NDIR 25% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CH4 – Methane NDIR 100% | 0.1% ± 0.5% abs. or 5% rel. 45 sec
H2S – Hydrogen sulphide Electrochemical 200ppm | 0.02ppm ± 0.2ppm abs. or 5% rel. 45 sec
NO – Nitric oxide Electrochemical 500ppm | 0.2ppm ± 1ppm abs. or 5% rel. 45 sec
NO – Nitric oxide Electrochemical 50ppm | 0.1ppm ± 0.2ppm abs. or 5% rel. 45 sec
N2O – Nitrous oxide NDIR 2 000ppm | 0.1ppm ± 5ppm abs. or 5% rel. 45 sec
SO2 – Sulphur dioxide Electrochemical 200ppm | 0.1ppm ± 1ppm abs. or 5% rel. 45 sec
H2 – Hydrogen Electrochemical 2 000ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec
H2 – Hydrogen Thermal Conductivity Detector 10% | 0.1% ± 0.05 abs. or 5% rel. 45 sec
H2 – Hydrogen Thermal Conductivity Detector 25% | 0.1% ± 0.05 abs. or 5% rel. 45 sec
H2 – Hydrogen Thermal Conductivity Detector 50% | 0.1% ± 0.05 abs. or 5% rel. 45 sec
H2 – Hydrogen Thermal Conductivity Detector 100% | 0.1% ± 0.5 abs. or 5% rel. 45 sec
CL2 – Chlorine Electrochemical 10ppm | 0.2ppm ± 0.2ppm abs. or 5% rel. 45 sec
HCL – Hydrogen Chloride Electrochemical 100ppm | 0.1ppm ± 1ppm abs. or 5% rel. 45 sec
NH3 – Ammonia Electrochemical 200ppm | 0.5ppm ± 2.5ppm abs. or 5% rel. 45 sec
SiH4 – Silane Electrochemical 50ppm | 0.2ppm ± 2ppm abs. or 5% rel. 45 sec
BCL3 – Boron Trichloride Electrochemical 10ppm | 0.1ppm ± 1ppm abs. or 5% rel. 45 sec
SiH4CL2 – Dichlorosilane Electrochemical 50ppm | 0.1ppm ± 1ppm abs. or 5% rel. 45 sec
BF3 – Boron Trifluoride Electrochemical 10ppm | 0.1ppm ± 1ppm abs. or 5% rel. 45 sec
HF3 – Hydrogen Fruoride Electrochemical 10ppm | 0.1ppm ± 1ppm abs. or 5% rel. 45 sec
SF6 – Sulfur Hexafluoride NDIR 1 000ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec
SF6 – Sulfur Hexafluoride NDIR 1% | 1ppm ± 5ppm abs. or 5% rel. 45 sec
SF6 – Sulfur Hexafluoride NDIR 1 000ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec
SF6 – Sulfur Hexafluoride NDIR 1 000ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec
CHF3 – Fluoroform (Refrigerant R23) NDIR 2.5% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
CF4 – Tetrafluoromethane NDIR 2.5% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
C4F8 – Octafluorocyclobutane (Refrigerant RC318) NDIR 1% | 0.01% ± 0.05% abs. or 5% rel. 45 sec
He – Helium Thermal Conductivity Detector 10% | 0.1% ± 0.05% abs. or 5% rel. 45 sec
He – Helium Thermal Conductivity Detector 25% | 0.1% ± 0.05% abs. or 5% rel. 45 sec
He – Helium Thermal Conductivity Detector 50% | 0.1% ± 0.05% abs. or 5% rel. 45 sec
He – Helium Thermal Conductivity Detector 100% | 0.1% ± 0.5% abs. or 5% rel. 45 sec
VOC - Volatile Organic compounds Photoionization Detector 100ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec
VOC - Volatile Organic compounds Photoionization Detector 1 000ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec

Drawings

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