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Gas Meter Gasman N
unique gas meter for the personal protection
with datalogger, software and data cable
ATEX II 1G EEx ia IIC T4 / ATEX II 2G EEx ia d IIC T4 (EEx ia (d) IIC T3/T4)

This gas meter is a unique gas meter which protects against a specific gas, inflammable or toxic. The gas meter Gasman warns with a penetrating alarm and an optical signal (useful in case when there are loud noises in the surroundings) of the existence of dangerous gas concentrations and shows on screen the value of the gas measurement. In addition with this gas meter you are able to save measurements and transmit them onto the computer for evaluation. For that, it is necessary to require the additional option of data logger and optional software. The function of logger will allow you to keep all the values in the meter with a quota of measurement from 1 minute to a total of 900 hours. The data saved in the apparatus can be, at any time, transferred onto the computer or laptop for later evaluation. The meter can be calibrated and certified according to DIN ISO. In addition it is verified according to the most recent directives (94/9/EG and disposition on the protection against explosions (ExVo). Every two years recalibrations can be made where you choose the sensor (according to the type of gas) with which the apparatus must be equipped. You will be able to choose between 12 standard sensors, but you can also request other types of special sensors.
In addition to the traditional uses of the gas meters such as in industry, institutions and investigations, this gas meter is an economic alternative to be used by the fire brigades (with Ex- sensor for inflammable gases).
The gas meter fulfills all the European and international norms, even ATEX standards.
Another special use is the measurement of the ozone concentration. For that reason this small gas meter can be complemented with an ozone sensor. If you have any questions about the gas meter, see the technical data below or contact us: UK customers +44(0) 23 809 870 30 / US customers +1-410-387-7703. Our technicians and engineers will be happy to advise you on this gas meter and on any product of regulation and control systems, measuring instruments or the scales and balances.

View or print the user manual of the Gas Meter Gasman N   CE certificate Gas Meter Gasman N   View the Gas Meter Gasman N  Software for the Gas Meter Gasman N  View technical data of the Gas Meter Gasman N  Information about the Gas Meter Gasman N

The professinal Gas Meter Gasman N used in situ.

- Free set up level alarm, vibratory alarm,  LED 
  alarm, beeper

- Comfortable to use all day long

- Internal security makes it possible to take it on Ex-zone

- Loud sound

- Robust housing

- Dust and water resistant - IP 65/67

- LCD with backlight

- Can only be disconnected pressing two 
  keys simultaneously

- Internal calibration by means of the keyboard 
  in the frontal part of the meter

- Datalogger function

- Optional software compatible with Windows     to set up the meter in a fast and easy way to read the internal memory
- Connection to  PC takes place by 
 means of the cable of the interface

The gas meter Gasman N has a vibratory module that warns even in very noisy atmospheres by means of vibrations.

If the gas meter is equipped with the function of datalogger and you wish to transmit the saved values in the meter to a PC, you will need the combined charging station (charging station and inter face simultaneously).
                    The Gas Meter Gasman N in the optional charging station.

                  Suction pump equipmentof the Gas Meter Gasman N.           

The suction pump to suction gases can be acquired optionally. This equipment is used when it is necessary to determine gases in zones with very difficult access.

Attention: the aspiration of chlorine, of nitrogen dioxide and ozone is not allowed in difficult access zones .

Technical specifications (12 gases choice) 

Typical measurement ranges and alarm adjustments
Parameter/Gas Symbol   Range Alarm
Inflammable gas CH4 0 ... 100 % LEL 20 % LEL
Oxygen O2 0 ... 25 % v/v 19 % and 23 % v/v
Hydrogen sulfide H2S 0 ... 100 ppm 5 ppm
Carbon dioxide CO2  0 ... 5 % v/v 0.5 and 1.5 % v/v
Carbon monoxide CO 0 ... 500 ppm 30 ppm
Sulfur dioxide SO2 0 ... 20 ppm 1 ppm
Chlorine * CL2 0 ... 5 ppm 0.5 ppm
Nitrogen dioxide* NO2 0 ... 10 ppm 1 ppm
Phosphine PH3 0 ... 5 ppm 0.5 ppm
Ammonia NH3 0 ... 100 ppm 25 ppm
Hidrogene H2 0 ... 1000 ppm 100 ppm
Ozone O3 0 ... 1 ppm 0.1 ppm

  *   With chlorine and dioxide of nitrogen the suction pump cannot be used to suction the air in the gas measurer Gasman II.

(sensors are exchangeable)

Response time (T90)


20 s

5 years

20 s

3 years

10 s

minimum 1 year

Toxic gases
Acoustic alarms - 85 dB (a) to 1 m of distance (adjustable tone)
- tone of regular control that can be disconnected
- prolonged tone in case of low battery in the gas    meter.
Optical alarm - very clear and flashing LED
- type of alarm Indicator
- green LED with low frequency flashing as           operating indicator 
Vibration alarm - meter vibrates additionally as a complement to     the optical and acoustic alarms
Autozero function - in order to adapt the meter to different                 environmental conditions of measurement          (always activate the clean air function)
Display - LCD with backlight
- 10 mm lines to indicate the gas value
- Symbols for: Max Hold, Batt Low, calibration     
  ground zero, alarm 1 and 2, 15 min and 8 h,         alarms TWA
Measurement values memory Adjustable memory intervals, max. capacity of 900 h prolonged with measurement quota of 1 min (depends on the gas concentration)
Power supply


Toxic gases and oxygen

- interchangeable lithium battery
- 1 year in normal use conditions

in order to load the charging station is necessary.

- 2 cells of nickel-metal hydride (reloadable), 8… 10 hours of operative duration.

Environmental conditions -20 ... +55 °C/0 ... 99 % R.H. non condensed

IP 65/67

Dimensions 90 x 48 x 24 mm
Weight max. 130 g (battery included)
Norms EN 50014, EN 50020, EN 50018, EN 55022 ;
clase B, EN 50081-2, Ex 95C2348X, Ex 65C2349, Ex 95Y1350, IEC 801-3, EN 50082-2, IEC 61508, EN 61779, EN 50721
Autorisation EEx ia (d) IIC T3 or T4
ATEX II 1G EEx ia IIC T4 (-20 ... +55 °C)
(Toxic gases and oxygen)
ATEX II 2G EEx ia d IIC T4 (inflammable gases)
PC interface

You can request the optional software to set up, calibrate and adjust the limits of the alarm and the function of datalogger (optional too) to read the values saved in the gas meter. This software represents the data in form of graphs or tables It is possible to export them to other programs.

Please pay attention:
The combined charging station serves as interface for the data transmission, the station is used to load the storage cells of the meter of gas for “inflammable gases” + “oxygen” and of interface for the PC for the rest of the models.

Maintenance and recalibration You can send us the gas meter for maintenance and recalibration, taking into account the indications of the ISO manual of your company (for example twice a year).
The gas meter can be dismounted, cleaned and  recalibrated. If a sensor no longer can be calibrated or its period of validity has already exprired, you will receive the corresponding information. The spare sensors will be found in our online shop.

1 x Gas meter Gasman N (please choose required Gas), 1 x mounting clips, 1 x Battery or Accumulator (depending on the Gas), 1 x User manual

- Spare gas sensor for this meter upon request
- Car accumulator (12 V, especially useful for fire brigades)
- Two anual revisions and callibration* (or according to your needs/factory calibration certificate included)

- Software (to programme and calibrate the meter)

-RS-232 Interface cable/USB Adapter
Attention: if you wish to use the previous software and the interface cable, this interface will be necessary. Read the following section.

Software for the Gas Meter Gasman N.
- Interface
The interface has two functions: 
1. The transmission of data to the PC (in combination with the software and the cable of data)

2. It serves simultaneously as a charger for the internal accumulador. If you have chosen the meter without accumulator, that is with batteries and you wish to transfer data, you will need the station interface. The loading function is deactivated in an automatic way.
Charger with data interface for the Gas Meter Gasman N.
- Suction pump 
The equipment of the hand pump is used if it is necessary to determine gases in zones of very difficult access or if the conditions of the place of measurement cannot be purged of gas, as it usually  happens before leaving a mine to exclude personal risks. The gas meter along with the suction pump equipment and the CO sensor can be used to locate people. Attention: the sensors for chlorine, ozone and nitrogen dioxide cannot be used in combination with the equipment.
Suction pump equipment for the Gas Meter Gasman N.

* Calibration/Recalibration
Sensor for inflammable gases:
A gas meter that is used to detect 0 - 100% LEL is usually always calibrated to methane. The rest of inflammable gases follow this pattern. This procedure is valid for 99% of applications. The correspondence with the rest of inflammable gases or the detection has therefore a minimum imprecision. If you wish to have your gas meter calibrated regarding another determined gas, let us know when you make an order. In addition, let us know if you require a recalibration.

Gas Meter Gasman N: Technical information

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Here you will find an overview of all the measuring instruments available at PCE Instruments.

PCE Instruments UK Limited
Unit 11 Southpoint Business Park
Ensign Way, Southampton
United Kingdom, SO31 4RF
Phone: +44(0) 23 809 870 30
Fax: +44(0) 23 809 870 39

PCE Americas Inc.
1201 Jupiter Park Drive, Suite 8
Jupiter 33458 FL
Phone: +1-410-387-7703
Fax: +1-410-387-7714

Below you will find an overview of the different product groups of measuring instruments

 Absolute Humidity Meters
 Alert Meters
 Air velocity meters
 Analyzers (Colour)
 Analyzers (Gas)
 Analyzers (Lan)
 Analyzers (Noise)
 Analyzers (Oxygen)
 Analyzers (Ozono)

Cable detectors (electrical)
Cameras (Infrared Thermal Imaging)
Capacitance Meters
Coating Thickness Meters
Chlorine Meters
Clamp Meters
Climate Meters
Colour Meters
Conductivity Meters
Contact Thermometers
Current detectors

Data Loggers
Differential Pressure Meters
Digital Multimeters
Detectors (Humidity, Radiation, Voltage)
Dose Meters (Noise)

 Earth meters
 Environmental Meters

 Flow Meters Air
 Flow Meters Gas
 Force Gauges (digital)
 Frequency Meters

 Gas detectors
 Geiger Counter

 Handheld Tachometers
 Hardness Meters
 Humidity Testers
 (Building material)

Indicator Sound Level
Indicators (Humidity)
Instruments (Environmental)

Impedance bridges
Infrared Thermometers
Isolation Meters

Lan Network Testers
Laser Distance Meters
Laser level
Laser meters
Laser thermometers
LCR Meters
Length Meters
Light Meters
Lux Meters

 Material Thickness meters

 Measurement Devices
 Measuring Meters
 Measuring Wheels
 Meters (Distance)
 Meters (Ozone) 
 Meters (Gas) 
 Meters (Gloss)
 Meters (pH)
 Meters (Power)
 Meters (Pressure)  
 Meters (Radiation)
 Meters (Temperature)  
 Modular signal 
 Moisture Indicator

Noise Meters

 Ohm Meters
 Oxygen Meters
 Paper Moisture Meters
 Pitot tube air flow
 Pocket pH-meters
 Power Analyzers
 Pressure Gauges
 Quality Meters (Air)
 Radiation Counters
 Radioactivity meters
 Reader (Temperature)

 Recoders Data
 Redox Meters

 Relat. Humidity meters
 Rotation meters
 Roughness tester
 Salt Meters
 Sensor (Temperature)
 Signal Level Analyzers
 Sound Level Meters
 Systems for 
 Surface Thickness 

Telescope Meters
Temperature Probes
Testers (Air)
Tester (Conductivity) Tester (Earth)
Tester (Electric)
Tester (Insulation)  Tester (Noise)
Tester (pH)
Tester Resistance Tester (Sound)
Tester (Temperature)
Thermal stress
Thermal Imaging Cameras
Thickness Meters
Turdibity Meters

Ultrasonic Flow Meters

VDE tester
Vibration Meters
Video endoscopes
Voltage meters