TECHNICAL SPECIFICATIONS
OPTIMA 7 analyzer
Handheld analyzer with up to 5 electrochemical sensors and a dual gas NDIR bench
BIOGAS components
Measuring range
Accuracy
CO
2
Carbon dioxide
2 Gas NDIR
0....100%
± 0.3 % or 3% reading
CH
4
Methane
2 Gas NDIR
0….100%
± 0.3 % or 3% reading
O
2
Oxygen
0 ... 25.0 Vol-%
± 0.2 Vol-% abs.
H2S
Hydrogen sulfide
0 ... 2,000 ppm
± 10 ppm or 10 % reading up to 2,000 ppm
overload 5,000ppm *
10 % reading up to 5,000 ppm
H2S
Hydrogen sulfide
0 ... 500 ppm
± 5 ppm or 5 % reading up to 500 ppm
overload 2,000ppm *
10 % reading from 500 to 2,000 ppm
H
2
Hydrogen
0 ... 1,000 ppm
± 10 ppm or 5 % reading up to 1,000 ppm
overload 2,000ppm *
10 % reading up to 2,000 ppm
FLUE GAS components
Measuring range
Accuracy
CO
Carbon monoxide
0 ... 4,000 ppm
± 10 ppm or
(H2 compensated)
overload 10,000ppm *
5 % reading < 4,000 ppm / 10 % reading > 4,000 ppm
CO
Carbon monoxide
0 ... 500 ppm
± 2.0 ppm or** 5 % reading
low
with 0.1 ppm resolution **
NO
Nitric oxide
0 ... 1.000 ppm
± 5 ppm or
overload 5,000ppm *
5 % reading < 1,000 ppm / 10 % reading > 1,000 ppm
NO
Nitric oxide
0 ... 300 ppm
± 2.0 ppm or** 5 % reading
low
with 0.1 ppm resolution **
NO
2
Nitrogen dioxide
0 ... 200 ppm
± 5 ppm or
overload 1,000ppm *
5 % reading < 200 ppm / 10 % reading > 200 ppm
NO
2
Nitrogen dioxide
0 ... 100 ppm
± 2.0 ppm or** 5 % reading
low
with 0.1 ppm resolution **
*overload range recommend only for short time measurements
**are not separate sensors; selected sensors are used with special calibration
Stack / Gas temperature
0 ... 1,200°F / 2,012°F
± 4°F ... < 392°F / 1 % reading > 392°F
(with stainless steel / Inconel steel tube)
Ambient temperature
0 ... 212°F
± 2°F
Differential temperature
up to 2,012°F
± 4°F ... < 392°F / 1 % reading > 392°F
(with suitable material of sampling tube)
Stack / Differential pressure
+/- 120 inH2O (300hPa)
± 0.01 inH2O or 1% reading
Gas flow velocity measurement
1 ... 40 m/s (using Pitot tube)
General specifications
Operation temperature
41°F .... 113°F, max. 95 % RH, non condensing
Storage temperature
-4°F ..... 122°F
Ambient conditions
not in aggressive, corrosive or high dust environments, not for use in hazardous areas
Power supply
Lithium-Ion battery, 6 to 8 hours operation
Grid power supply
100 - 240 V AC / 50 … 60 Hz 1A
Protection class
IP42
Weight
approx. 2.2 lbs. (with 7 sensors)
Dimensions
( W x H x D) 4.3” x 8.8” x 2.04”
Data subject to change without notice
MRU Instruments, Inc.
Humble, Texas 77338
Tel.: (832) 230 - 0155
Fax: (832) 230 - 1553
info@mru-instruments.com
www.mru-instruments.com
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