INGCO COS23033 4 PCS مجموعة فاحص كهرباء ,غاز, رطوبة الاخشاب ,الحرارة والرطوبة Environmental Test Kit Voltage Detector Gas Indicators Humidity Temperature with Battery

4pcs/set
Include:
1 Pcs AC voltage detector:
AC Voltage: 12V~1000V(High sensitivity); 48~1000V(Low sensitivity)
Frequency: 50/60Hz
Alarm mode: sound and light alarm
1 Pcs digital gas indicators:
Range: 50~1000ppm(methane)
Detecting gas: combustible gas
Response sensitivity: <50ppm
Response time: =500ppm: 2 seconds
1 Pcs wood moisture meters:
Moisture measurement range: 0~58%
Moisture measurement accuracy: ±2%
1 Pcs digital humidity&temperature meter:
Ambient temperature: -20°C~60°C (-4