Laser methane telemetry instrument JJY10/30 for coal mines-Shenzhen Hong'an Explosion-proof Technology Co., Ltd.

Laser methane telemetry instrument JJY10/30 for coal mines

Specifications
Sampling Method	Passive diffusion
Measurement Range	0-100 %VOL
Basic Error	0.00-1.00 %VOL: ±0.05 %VOL
	1.00-100.0 %VOL: ±5% of true value
Resolution	0.01 %VOL
Response Time (T90)	≤25s
Screen Type	7-segment digital display
Alarm Sound Level	>80 dB @1m
Environmental Parameters
• Operating Temperature	0-40℃
• Storage Temperature	-40-60℃
• Operating Humidity	≤98%
• Operating Pressure	80kPa-116kPa
Power Specifications
• Standby Power Runtime	>4h
• Charging Method	Online automatic charging
• Battery	Built-in lithium manganese oxide battery
• Operating Voltage	12-24VDC
• Power	<4.8W
Communication Specifications
• Communication Interface	Default RS485 (optional CAN/4-20mA)
	(0-10%VOL) / 200-1KHz (0-4%VOL)
• Communication Protocol	Modbus RTU
Relay Characteristics
• Contact Type	Single-pole double-throw type (SPDT)
• Power-Off Capacity (Limit Value)	5A@DC30V 5A@AC250V
	10A@AC125V
Mechanical Construction
• Enclosure Material	304 Stainless Steel
• Protection Level	IP65
• Weight	2.0kg

Product details

Hong'an Explosion Protection