Test result: Jiko, Metal
Water boiling test (WBT)
Stove and fuel
Stove
Stove description
Jiko Metal, charcoal fuel (Dry)
Stove characteristics
Traditional
Fuel type
Charcoal
Fuel description
Charcoal, dry
Fuel moisture content
0.055%
Fuel net calorific value
28.2 MJ/kg
Test information
Test details
WBT 4.1.2, 2 Liters of water
Testing organization
Reporting type
Third party
Country
United States
Year performed
2012
Test environment
Lab
Altitude
not available
Number of replicate tests
3
Test result IWA tiers of performance
Show subtiers
0
Emissions
0
Efficiency
0
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA low power CO 0.11 g/min/L
IWA low power PM 0.269 mg/min/L
IWA high power CO 35.85 g/MJ-del 7.3 0.2
IWA high power PM 644.0 mg/MJ-del 560.0 0.87
IWA efficiency  
Metric Value SD (σ) Cv
IWA low power specific consumption 0.052 MJ/min/L
IWA high power thermal efficiency 24.3% 1.85 0.08
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.943 g/min
IWA PM 9.43 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 134.0 g/task
Cold start thermal efficiency 15.1% 1.8 0.12
Hot start thermal efficiency 33.4% 1.9 0.06
Output
Metric Value SD (σ) Cv
Cold start firepower 2724.0 W 410.0 0.15
Hot start firepower 2924.0 W 342.0 0.12
Simmer firepower 1256.0 W 65.0 0.05
Mean time to boil 25.2 min 0.95 0.04
Emissions
Metric Value SD (σ) Cv
PM2.5 emissions factor (2) 1.815 g/kg fuel
CO emissions factor (2) 213.75 g/kg fuel
CH4 emissions factor (2) 5.60275 g/kg fuel
PM2.5 emissions rate 7.867549669 mg/min
CO emissions rate 0.943 g/min