Specifications - MGP262 - MGP261

MGP260 User Guide

Document code
M212504EN
Revision
B
Language
English (United States)
Product
MGP262
MGP261
Document type
User guide

MGP261 measurement performance

Table 1. Measurement performance
Property Methane CH4 Carbon dioxide CO2 Water vapor H2O
Sensor CARBOCAP® CARBOCAP® CARBOCAP®
Measurement unit Volume-% Volume-% Volume-%, dew point °C
Measurement range 0 … 100 vol-% 0 … 100 vol-% 0 … 25 vol-%, -10 … +60 °C (14 … +140 °F)
Accuracy specification at 25 °C (+77 °F) and 1013 mbar including non-linearity, calibration uncertainty, and repeatability; temperature and pressure compensated
Accuracy at +25 °C (+77 °F) and 1013 mbar 1
  • 0 ... 40 vol-%: ±2 vol-%
  • 40 ... 70 vol-%: ±1 vol-%
  • 70 ... 100 vol-%: ±2 vol-%
  • 0 ... 30 vol-%: ±2 vol-%
  • 30 ... 50 vol-%: ±1 vol-%
  • 50 ... 100 vol-%: ±2 vol-%
0 ... 25 vol-%: ±0.5 vol-%
Repeatability ±0.5 vol-% at 60 vol-% ±0.3 vol-% at 40 vol-% ±0.1 vol-% at 10 vol-%
Temperature dependence Compensated, 0 ... 100 vol-%: ±0.1 % of reading/°C Compensated, 0 ... 100 vol-%: ±0.1 % of reading/°C Compensated, 0 ... 25 vol-%: ±0.1 % of reading/°C
Uncompensated, 0 ... 100 vol-%: -0.9 % of reading/°C Uncompensated, 0 ... 100 vol-%: -0.9 % of reading/°C Uncompensated, 0 ... 25 vol-%: -0.4 % of reading/°C
Pressure dependence Compensated, 0 ... 100 vol-%: ±0.015 % of reading/mbar Compensated, 0 ... 100 vol-%: ±0.01 % of reading/mbar Compensated, 0 ... 25 vol-%: ±0.06 % of reading/mbar
Uncompensated, 0 ... 100 vol-%: +0.2 % of reading/mbar Uncompensated, 0 ... 100 vol-%: +0.2 % of reading/mbar Uncompensated, 0 ... 25 vol-%: +0.2 % of reading/mbar
Long-term stability ±2 vol-%/year ±2 vol-%/year ±2 vol-%/year
Start-up time 2 30 s
Warm-up time 3 2 min 4
Response time (T90)

90 s 5

Response time with flow-through adapter

90 s at ≥ 0.5 l/min 5

(recommended: 0.5 … 1 l/min)

MGP262 measurement performance

Table 2. Measurement performance
Property Methane CH4 Carbon dioxide CO2
Sensor CARBOCAP® CARBOCAP®
Measurement unit Volume-%
Measurement range 0 … 5 vol-% 0 … 100 vol-%
Accuracy specification at 25 °C (+77 °F) and 1013 mbar including non-linearity, calibration uncertainty, and repeatability; temperature and pressure compensated 6
Accuracy at +25 °C (+77 °F) and 1013 mbar

0 ... 2 vol-%:

±0.1 vol-%CH4

2 ... 5 vol-%:

±5% of reading

90 ... 100 vol-%:

±1 vol-%

0 ... 90 vol-%:

±2 vol-%

Repeatability < ±0.1 vol-% at 1% CH4 ±0.4 vol-% at 95 vol-%
Temperature dependence (typical)

Compensated:

0 ... 2 vol-%: ±0.05%CH4

2 ... 5 vol-%: ±0.2%CH4

Compensated, 0 ... 100 vol-%:

±0.4 vol-%

Uncompensated:

±0.7 % of reading / °C

Uncompensated, 0 ... 100 vol-%:

±0.1 % of reading / °C

Pressure dependence (typical)

Compensated:

0 ... 2 vol-%: ±0.05%CH4

2 ... 5 vol-%: ±0.1%CH4

Compensated, 0 ... 100 vol-%:

±1 vol-%CO2

Uncompensated:

±0.2 % of reading / mbar

Uncompensated, 0 ... 100 vol-%:

±0.15 % of reading / mbar

Long-term stability

0 ... 2 vol-%:

±0.1 vol-%CH4 / year

2 ... 5 vol-%:

±5% of reading / year

±2 vol-%/year
Start-up time 7 30 s
Warm-up time 8 2 min 9
Response time (T90)

90 s 10

Response time with flow-through adapter

90 s at ≥ 0.5 l/min 10

(recommended: 0.5 … 1 l/min)

MGP260 series common specifications

Table 3. Inputs and outputs
Property Specification
Operating voltage 18 ... 30 VDC
Power consumption

Typical: 3 W

Maximum: 6 W

Digital output

RS-485 (Modbus RTU)

Analog output 3 × 4 ... 20 mA scalable, isolated
Analog output load

Minimum: 0 Ω

Maximum: 500 Ω

Analog output accuracy ±0.2 % of full scale at 25 °C (77 °F)
Analog output temperature dependence 0.005 %/˚C (0.003 %/°F) full scale
Analog input (optional) 1 × 4 ... 20 mA (Ex ia) for external pressure or temperature sensor 11
Table 4. Compliance
Property Specification
Electromagnetic compatibility (EMC) EN61326-1, Industrial environment
Ex classification Ex II 1/2 (1) G Ex eb mb [ia] IIB T3 Ga/Gb -40 °C ≤ Tamb ≤ +60 °C
IP rating IP66
Table 5. Operating environment
Property Specification
Operating temperature range -40 ... +60 °C (-40 ... +140 °F)
Operating humidity range 0 ... 100 %RH
Storage temperature range -40 ... +60 °C (-40 ... +140 °F)
Storage humidity range 0 ... 90 %RH
Process pressure range -500 ... +500 mbar(g)
Process temperature range +0 ... +60 °C (+32 ... +140 °F)
Process flow range 0 … 20 m/s
Table 6. Mechanical specification
Property Specification
Weight 3 kg (6.6 lb)
Thread type 1.5" male NPT
Cable lead-throughs

1 x M16x1.5

2 x M20x1.5

Materials
Probe body AISI316L stainless steel, PPS
Filter cap Sintered PTFE
Table 7. Options and accessories
Item Order Code
Configuration cable (RS485/USB) 12 257295
Flow-through adapter 258877
Sintered PTFE filter (includes O-ring) DRW249919SP
NPT 1.5" thread test plug 257525SP
1 Excluding cross-interferences to other gases.
2 Time to first reading
3 Time to specified accuracy
4 At +20 °C (+68 °F) ambient temperature
5 With standard PTFE filter
6 Excluding cross-interferences to other gases.
7 Time to first reading.
8 Time to specified accuracy.
9 At +20 °C (+68 °F) ambient temperature.
10 With standard PTFE filter.
11 The optional analog input is galvanically isolated and provides power for the connected external pressure sensor.
12 Vaisala Insight software for Windows® available at www.vaisala.com/insight