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Fir 1, 2, 3 & 5000
Ion Science Lt d
Ion Science L td
Page 50 of 53
Technical Specifications
______
Detector
Range
Response Time*
PID (VOC detector)
1 ppb - 10,000 ppm (Fir 5000)
T90 < 1 second
0.1 ppm – 10,000 ppm (Fir 3000)
0.1 ppm – 4,000 ppm (Fir 1000 and 2000)
O
2
- Electrochemical
0 to 28%
T90 < 10 seconds
CO - Electrochemical
0.1 - 1000 ppm
T90 < 25 seconds
H
2
S - Electrochemical
0.1 - 100 ppm
T90 < 20 seconds
LEL - Pelistor
0 - 100% LEL
T90 < 15 seconds
Accuracy
+/- 5% displayed r/- one digit**
Linearity
+/- 5% displayed r/- one digit**
Battery
4 x AA size
Specified Alkaline or 1.2V
Rechargeable NiMH
Alarm
Flashing LED and 90 dBA (10 cm)
audible sounder
Flow Rate (Approx) 220 ml/min or 220 cc/min
Temperature
Operating
-20 to 60
°
C (-4 to 140
°
F)
Storage
-25 to 60
°
C (-13 to 140
°
F)
Dimensions
Instrument
340 x 60 x 50 mm
Standard Carry Case:
420 x 320 x 97 mm
Weight
Instrument
0.640 kg (1.4 lb)
Packed in case
3.1 kg (6.8 lb)
Materials
Instrument
Conductive carbon-loaded
polypropylene-based resin
casing.
Standard Carry Case
Polypropylene, with a
polyester foam insert
*Response time of the instrument is affected by the use of a length of tubing in applications such as confined
space entry. The following response times show the affect on the PID detector based on 213 ml/min with a filter
attached with a tube internal diameter of 1.6 mm at 20
°
C:
Lengt h of tube
Flow ml/min
Response time in sec onds
Standard probe
213
0.1
1 m
212
0.8
2 m
212
1.7
3 m
211
2.6
5 m
209
4.3
10 m
199
9.0
20 m
190
19.0
30 m
172
32.0
** Assumes constant environmental conditions