VOCs Sensor. GSBT12 Datasheet

GSBT12 Sensor. Datasheet pdf. Equivalent

GSBT12 Datasheet
Recommendation GSBT12 Datasheet
Part GSBT12
Description VOCs Sensor
Feature GSBT12; Ogam Technology Update : 2010.05.15 PRODUCT INFORMATION Sensor for Air quality control 1/6 VOCs Se.
Manufacture Ogam
Datasheet
Download GSBT12 Datasheet




Ogam GSBT12
Ogam Technology
Update : 2010.05.15
PRODUCT INFORMATION
Sensor for Air quality control 1/6
VOCs Sensor
- for the detection of Formaldehyde
Toluene, Organic Solvent
- Semi conductor type,
◑ General
It is applied detection of VOCs gases (toluene, formaldehyde, benzene, ect.)
◑ Application : Ventilator, Air cleaner, Hood.
◑ Operation range
- Working temperature : -10℃ ~ 50℃
- Working humidity : below saturation point
- Storage temperature : -20℃ ~ 80℃
◑ Products characteristics
<GSBT11>
<GSBT12>
Product code
Characteristics
Output data
Worm-up time, PH
Pac-
kage
GSBT11
Wide detection of VOCs gases
Application : Air cleaner, Hood
GSBT12
Wide detection of VOCs gases
Application : Air cleaner, Hood
Analogue (1 ~ 5Volt)
Basic circuit
5min
350㎽
3min
420㎽
GSBT11 Standard, Op-amp amplifying
Analogue (0.5 ~ 5Volt)
- P1XX Relay output : fixed concentration Relay : Hi(4V), Low(0V)
Module
GSBT12 μ-processor control, Digital output Digital (RS232, ppm)
- P3XX Relay output, Open collect
Relay : Open collect
5min
380㎽
1min
470㎽
1. Sensitivity Characteristic Slope = Rs,gas / Rs,air)
GSBT11
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
1
VOC-SEN-02, 10.04.23
Formaldehyde
Benzene
Toluene
10 100
Concentration, ppm
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
Alcohol
Methane
Tobacco
10 100
Concentration, ppm
1000
2. Basic Measuring Circuit Stability
Vcc
Vcc : Circuit Voltage(5V)
Rs : Sensor Resistance
VH : Heater Voltage(5V)
RL : Load Resistance
(RL=VR+rL)
GND
VH
Sensor
Rs
●○
VR
rL
Vout
5
Long Term Stability
4 GSBT11 RL=2㏀
Rs=4㏀
3
2
1
0 20 40 60 80 100
Time[days]
Best solution of Measuring & Control system
Long term stability & High reliability
in sensing worldwide
500-460 광주시 북구 월출동 970-14 POST-BI A202호
Tel:(062)973-9342, Fax:(062)973-9344
Home Page : www.ogamtech.com



Ogam GSBT12
Ogam Technology
Update : 2010.05.15
PRODUCT INFORMATION
Sensor for Air quality control 2/6
3. Specifications
2/4
3.1 Package (sensor)
a. Characteristics
Index
GSBT11
Spec. & test condition
GSBT12
Vc Sensor input Voltage :1~12Volt, Sensor Resistance : refer to Rank table
Circuit
Voltage
VH
Heater input voltage : 5volt±1%
Heater Resistance : 31.0Ω±0.2Ω
Heater input voltage : 5volt±1%
Heater Resistance : 27.0Ω±0.2Ω
PH
Power consumption : Less than350㎽ Power consumption : Less than420㎽
Inrush current : Less than 165mA
Inrush current : Less than 185mA
Sensitivity
(β)
Gas
Con.
β
* TMA
0.1ppm
0.6
Acetaldehyde
1ppm
0.4
Alcohol
10ppm
0.17
Guarantee
- 3years
- Calibration interval 1years recommended
Operating
environment
- Temp. : -20 ~ 50℃, Humidity : 5 ~ 90%RH, Non-condensing
- Storage Æ Temp. : -10 ~70℃, Humidity : 0 ~90%RH
Reaction time - Reaction Time(T90) : Less then 10sec
(T90)
- Recovering Time(T90) : Less then 30sec
*TMA :Trimethylamine,
*Sensitivity (β) = Rs,gas / Rs,air
- Rs,gas : output resistance after gas inlet, - Rs,air : output resistance in special air
*T90 : 90% of saturation point
b. Sensor Resistance (Only package)
Rank RL
Rs (Sensor
resistance)
Rank
RL
Rs (Sensor
resistance)
30A 0.30㏀ 1.0~1.5㏀ 30D 1.00㏀ 3.5~5.0㏀
Rank Table(No.:GA-30)
Rank RL
Rs (Sensor
resistance)
30G 3.90㏀ 12.5~20.4㏀
30B 0.43㏀ 1.5~2.2㏀ 30E 1.50㏀ 5.0~7.8㏀ 30H 6.20㏀ 20.4~32.5㏀
30C 0.68㏀ 2.2~3.5㏀ 30F 2.40㏀ 7.8~12.5㏀ 30I 10.0㏀ 32.5~52.5㏀
c. Sensor connection
- Be connected to “Basic measuring circuit(‘2’)” after select Sensor resistance (Rs) and RL
(reference ‘3.1-b’)
d. Product code
G S B T 1 - 30
(1) (2)
- GSBT1 : Original code of VOCs sensor
- 30 : Serial No. of Rank Grade
(1) Sensor characteristics Æ 1:standard sensor
2:precision grade
(2) Rank No. (Sensor resistance) in special air
Best solution of Measuring & Control system
Long term stability & High reliability
in sensing worldwide
500-460 광주시 북구 월출동 970-14 POST-BI A202호
Tel:(062)973-9342, Fax:(062)973-9344
Home Page : www.ogamtech.com



Ogam GSBT12
Ogam Technology
Update : 2010.05.15
PRODUCT INFORMATION
Sensor for Air quality control 3/6
f. Characteristics (Package)
GSBT11
- Error : ±15%
- No compensation of Humidity & temperature
2/4
Stand. Æ RL : 3.9, Sensor resistance : 15.6
Vout,air : 1.0volt (input voltage 5volt)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
Toluene
Formaldehyde
50 100 150 200 250 300 350 400
Concentration, ppm
Formaldehyde 100322
Con. Output Con. Output
(ppm) (Volt) (ppm) (Volt)
0 1.00 70 2.72
5 1.90 80 2.79
10 2.06 90 2.84
15 2.17 100 2.89
20 2.26 120 2.99
25 2.33 140 3.07
30 2.39 160 3.15
35 2.45 180 3.22
40 2.49 200 3.29
45 2.54 250 3.44
50 2.58 300 3.58
60 2.66 350 3.70
Toluene 100322
Con. Output Con. Output
(ppm) (Volt) (ppm) (Volt)
0 1.00 70 3.19
5 2.62 80 3.22
10 2.75 90 3.26
15 2.83 100 3.28
20 2.89 120 3.34
25 2.94 140 3.38
30 2.98 160 3.42
35 3.02 180 3.45
40 3.05 200 3.49
45 3.08 250 3.56
50 3.10 300 3.62
60 3.15 350 3.67
** Formulation of Formaldehyde
Log(ppm) = (-0.883) + 0.972 * (Vout)
Lpg(ppm) = (-3.665) + 3.009 * (Vout) + (–0.362) * (Vout)2
** Formulation of Toluene
Log(ppm) = (-3.672) + 1.717 * (Vout)
Log(ppm) = (-9.234) + 5.249 * (Vout) + (-0.557) * (Vout)2
GSBT12
Be getting ready
Best solution of Measuring & Control system
Long term stability & High reliability
in sensing worldwide
500-460 광주시 북구 월출동 970-14 POST-BI A202호
Tel:(062)973-9342, Fax:(062)973-9344
Home Page : www.ogamtech.com





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