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Feature
Detection range 0.1 – 4000 ppm
Detection range 0.1 – 10,000 ppm
Detection range 1 ppb – 10,000 ppm
Intrinsically safe
Health & Safety mode for STEL and TWA monitoring
IRDA for wireless communications with a PC
Auto range ppm/ppb
Real-time graph display on screen
Simple data store
Data logging
Date and Time stamp
Interactive Ion PC software for instrument
configuration and data handling
Easy-to-use graphical icon based interface
Zone name creator
Audible alarm 90 dBA
Visual alarm (LED)
Gas table of 250+ gases and their individual
response factors
Selectable mg/m3 or ppm/ppb
1000
1000Ex
2000Ex
3000Ex
5000Ex
Features and upgradeability options
Key: Standard feature = Upgradeable =
Note: Ion PC software runs on Windows XP and Vista
FirstCheck+ Sensor Specifications
Detector Range Response Time
PID (VOC
detector) FirstCheck+ 1000 T90 < 1 seconds
Ion Science photoionisation & 2000 0.1 to
cell fitted with Fence Electrode 4000 ppm
Technology FirstCheck+ 3000
10.6 eV Krypton PID Lamp & 5000 0.1 to
supplied as standard (others 10,000 ppm
available - contact us for
alternative lamps)
Oxygen, O2 – Electrochemical sensor 0 to 28% T90 < 15 seconds
Carbon monoxide, CO – 1 to 1000ppm T90 < 15 seconds
Electrochemical sensor
Hydrogen sulphide, H2S – 0.1 to 100 ppm T90 < 20 seconds
Electrochemical sensor
TECHNICAL SPECIFICATION
DETECTOR
For details of each sensor, its range and response time please
see the FirstCheck+ Sensor Specification table.
INTRINSICALLY SAFE APPROVALS
II2 G Baseefa 03ATEX0742
Ex iad IIC T4 (-20 oC Ta 60 oC)
IECEx BAS 04.0033 (world standard)
ACCURACY*
± 5% displayed reading at calibration point
LINEARITY*
± 5%
DATA LOGGING
Automatically recording all 5 sensors every second including
date and time stamp
8 Mb (expandable) data memory
Incorporates a secure storage algorithm to reduce stored
data corruption
CALIBRATION
Via calibration kit accessory
OPERATION
Dry Cell: Alkaline 4 x AA:11 hours
ALARM
Flashing LED and 90 dBA (10cm) audible sounder
User set and TWA & STEL
Pre-programmed 450+ gases and gas mixtures
FLOW RATE
220 ml/min or 220 cc/min with flow fail alarm
TEMPERATURE
Operating: -20 to 60 oC, -4 to 140 oF
Humidity: 0-99% RH (non condensing)
WEIGHT & DIMENSIONS
Instrument without probe
340 x 60 x 49 mm (13.5 x 2.3 x 1.9”)
Standard case 420 x 320 x 97 mm (16.5 x 12.5 x 3.8”)
Instrument 0.615 kg (1.36 lb)
Packed 3.045 kg (6.7 lb)
NB: PID specifications relate to an isobutylene 100 ppm in air
calibration at 20 oC and 90% RH. LEL specifications relate to a methane
(CH4) calibration, other gases available on request. Other gas sensors
as specified at appropriate international alarm standards.
*Assuming constant environmental conditions
Note: Fence Electrode Technology is produced by Ion Science Ltd, and protected by
U.S. Patent No. 7,046,012. EP 1474681, other patents pending.
4992 12/08. Part number FCV3.5 This publication is not intended to form the basis of a contract and specifications can change without notice.
ION SCIENCE is ISO9001:2008 certified
For further information and ordering please call:
Tel: +44 (0) 1763 208 503
Email: info@ionscience.com
www.ionscience.com
ION SCIENCE LIMITED
The Way, Fowlmere, Cambs. SG8 7UJ, UK
