Name: Portable Methane (CH4) Gas Monitor, 0 to 50% VOL
Brand: Tool
SKU: 1431
Availability: InStock

Portable Methane (CH4) Gas Monitor, 0 to 50% VOL

Size chart

Clothing Size Conversion Chart
Category	US	EU	UK	Chest (in)	Waist (in)	Hips (in)
Men	XS	44	34	32-34	26-28	33-35
	S	46	36	34-36	28-30	35-37
	M	48	38	38-40	32-34	39-41
	L	50	40	42-44	36-38	43-45
	XL	52	42	46-48	40-42	47-49
Women	XS	32	6	31-32	24-25	33-34
	S	34	8	33-34	26-27	35-36
	M	36	10	35-36	28-29	37-38
	L	38-40	12-14	37-39	30-32	39-41
	XL	42	16	40-42	33-35	42-44
Youth	XS	128	7	26-28	23-24	26-28
	S	134	8	28-30	24-25	28-30
	M	140	10	30-32	25-26	30-32
	L	146	12	32-34	26-27	32-34
	XL	152	14	34-36	27-28	34-36

Pants Size Conversion Chart
Category	US	EU	UK	Waist (in)	Hip (in)	Inseam (in)
Men	28	44	28	28	34	30
	30	46	30	30	36	31
	32	48	32	32	38	32
	34	50	34	34	40	33
	36	52	36	36	42	34
Women	0	32	4	24	34	30
	2	34	6	25	35	30
	4	36	8	26	36	31
	6	38	10	27	38	32
	8	40	12	28	40	32

Shoes Size Conversion Chart
Category	US	EU	UK	Foot Length (in)
Men	6	39	5.5	9.25
	7	40	6.5	9.625
	8	41	7.5	10
	9	42	8.5	10.25
	10	43	9.5	10.625
	11	44	10.5	11
	12	45	11.5	11.25
	13	46	12.5	11.625
Women	5	35	2.5	8.5
	6	36	3.5	8.875
	7	37	4.5	9.25
	8	38	5.5	9.625
	9	39	6.5	10
	10	40	7.5	10.25
	11	41	8.5	10.625
	12	42	9.5	11
M (Unisex)	5	37	4.5	8.75
	6	38	5.5	9
	7	39	6.5	9.5
	8	40	7.5	10
	9	41	8.5	10.25
	10	42	9.5	10.625
	11	43	10.5	11
	12	44	11.5	11.25

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Favorable price handheld methane gas detector, using infrared detection principle, detection range of 0-50% VOL, 0-100% VOL, 0-100% LEL optional, resolution up to 0.01% VOL. Equipped with 750ml/min high-efficiency pumping and suction system, rapid response within 10 seconds, with sound, light and vibration alarm. Rugged ABS + PC shell, protection grade IP66, suitable for a variety of harsh environments. Equipped with 3.7V rechargeable lithium battery, the endurance time is up to 100 hours, which is the best choice for safe monitoring of methane gas.

Specification

Model	GD200-CH4
Sampling Method	Pumping suction, flow rate can be up to 750ml/min
Detection Principle	Infrared
Gas	Methane (CH₄)
Range (Optional)	0-100% LEL, 0-50% VOL, 0-100% VOL
Resolution	1% LEL (0-100% LEL), 0.01% VOL (0-50% VOL, 0-100% VOL)
Accuracy	≤±3% F.S.
Responce Time	≤10s
Repeatability	≤±1%
Recovery Time	≤10s
Linearity Error	≤±1%
Zero Shift	≤±1% (F.S./year)
Data Logging (Optional Function)	High speed data transmission by USB, available for data downloading and printing (The built-in IC card has about 2G memory, which can record 100,000 sets of data.)
Alarms	Sound, light and vibration
Display	LCD dot matrix display
Language	Chinese/English
Battery	3.7V rechargeable lithium battery, 3.7 Watt (Charger included: Input AC 100-240V 50/60Hz with optional USA, Europe or UK plug)
Operating Time	100h (Pump off)
Communication	Mini USB interface supports standard MODBUS communication protocol
Explosion-proof Grade	Ex ia llC T4
Case Material	ABS+PC
Protection Grade	IP66
Certification	CE, ATEX
Operating Temperature	-20℃~50℃
Operating Humidity	0~95%RH (non-condensing)
Operating Pressure	0.8~1.2bar
Dimension	2057532mm
Weight	300g
Warranty	12 months
Extension Probe	About 480mm (Total Length), About 300mm (Probe Head)

Portable Gas Monitor User Manual

Tool Gas Monitor User Manual.pdf
Tool Gas Monitor Data Downloading Operation Instruction.pdf

Communication Protocol

Tool Handheld Gas Monitor Communication Protocol V1.0.pdf

Portable Gas Monitor Calibration Accessories – Gas Pressure Regulator

Tool Single Stage Pressure Regulator User Manual

Gas Detector Software

Tool Portable Gas Monitor DataExport Software

Portable CH₄ Gas Monitor Features

Original imported high-precision sensors to ensure the accuracy and reliability of the test results.
Fast data transfer via USB interface with optional download and print functions.
Multi-functional display interface with optional display of gas type, concentration, maximum value, local time and ambient temperature.
Operation interface with multi-language support, easy switching and friendly user experience.
Built-in miniature sampling pump, suction power can be adjusted in ten gears, and with explosion-proof qualified certification, excellent safety performance.

Gas Monitor Functions

Real-time monitoring of gas concentration in the environment or confined space, with automatic alarm for exceeding the standard.
Built-in self-calibration function and zero calibration function ensure accurate and reliable monitoring.
One key to restore the factory settings, to avoid the trouble caused by misoperation.
Equipped with temperature and pressure compensation function, adapting to gas monitoring under different environmental conditions.
Dual-stage sound and light alarm system, alarm point can be customized, flexible response to various situations.
Built-in high-capacity lithium polymer rechargeable battery, providing long life.
Adopt pump suction sampling mode, adjustable suction force to ensure accurate sampling.
Made of special engineering plastics with anti-slip, waterproof, dustproof and explosion-proof features.

Portable Methane Gas Monitor Details

Applications

Tips: How to maintain the portable methane gas monitor to ensure its long-term stable operation?

To ensure the long-term stable operation of the methane gas detector, please follow the following maintenance guidelines:

Calibrate the gas tester regularly, perform self-calibration and zero calibration every 3-6 months.
Keep the sensor and sampling pump clean from dust and moisture.
Store in a dry and clean environment after use.
Check the battery level regularly and charge it as needed.
If any abnormality or damage is detected, promptly contact professional maintenance service.

These measures can effectively extend the service life of the CH₄ gas detector and improve the accuracy of monitoring.

Measuring Range *

Charger Plug *

Extension Probe *