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TES-1350A Sound Lever Meter

0.1dB Resolution
Maximum hold function
AUX OUTPUT JACKS

Standard applied	IEC 651 Type2
Range	A LO (Low) - Weighting: 35- 100dB A HI (High) - Weighting: 65-130dB C LO (Low) - Weighting: 35- 100dB C HI (High) - Weighting: 65-130dB
Resolution	0.1dB
Frequency Range	31.5Hz to 8KHz
Accuracy	∮2dB
Dynamic Range	65dB
Frequency Weighting	AC
Time Weighting	Slow & Fast
Maximum Hold	Decay < 1dB/3min
Microphone	Electret condenser microphone
Calibration	Electrical calibration by using the internal oscillator (1KHz sine Wave at 94dB)
Auxilitary Output	AC conditioned, 0.65Vrms corresponding to each range step, impedance: 600W DC conditioned, 10mV/dB (nominally)
Operating Condition	0oC to 40oC < 80% R. H.
Storage Condition	-10oC to 60oC < 70% R.H.
Display	3 1/2 digitals
Power Supply	one 9V battery
Size	240mm(L)x68mm(W)x25mm(H)
Weight	215g
Accessorie	Instruction Manual, 9V Battery, Carrying Case, Screwdriver, Windscreen.

GAS LEAK DETECTOR 7201 / 7291 AT A GLANCE
DETECTS METHANE AND PROPANE GAS LEAKAGE ! SINGLE COLOR LED DISPLAY 5-LEVEL LEAK !ALARM AND READY LED !BATTERY LOW INDICATION !AUTO-CALIBRATION WHILE POWERS ON !BUILT IN EARPHONE JACK !FEATURES MUTE FUNCTION !QUALITY SEMI-CONDUCTOR SENSOR !QUICK RESPONSE ( MODEL 7291 ) ! 35-40PPM SENSITIVITY !

FEATURE

	Quick to pinpoint gas leaks.
	Auto power off preserves remaining battery life.
	DC/AC 2-way power system for operation .
	8 LED lights indicate 40ppm, 80ppm, 160ppm, 320ppm and 640ppm for Propane ; 120ppm, 240ppm, 480ppm, 960ppm and 1920ppm for Methane.
	When power is on ,ready LED is off . LED is on after warm up time ( < 60seconds).
	Response time less than 2 seconds.
	High sensitivity features an audio mute switch button to silence the unit.
	Pinpoint gas leak with a 18" flexible probe in hard-to-rech areas.
	Detect Natural gas or propane fired heating system or gas pipelines.

SPECIFICATION

	Detect range:	Methane:120ppm - 1920 ppm (model 7201) 40ppm - 640 ppm (model 7291) Propane : 40ppm - 640ppm (model 7201) 35ppm - 580ppm (model 7291)
	Model 7201 :	Filter included for high discrimination.
	Operating temperature range:	-5~45℃
	Flexible probe length:	18" (465mm )
	Auto power off timeout:	About 10 minutes

	Warm-up time:	< 60 seconds
	Response time:	< 10 seconds
	Sensitivity:	40ppm (model 7201) 35ppm (model 7291)
	Dimension:	175 x 70 x 38mm(HxWxT)
	Indicator:	Acoustic intermittent beep & LEDs.
	Battery:	4 pcs of AA
	Standard packing includes::	Meter, stainless flexible probe , batteries instruction manual.

DT-8839 Professional High Temperature Infrared Thermometers
This is capable of non-contact (infrared) temperature measurements at the touch of a button. The built-in laser pointer increases target accuracy while the backlight LCD and handy push-buttons combine for convenient, ergonomic operation.

Features:

High 50 to 1 distance to target ratio measures smaller surface areas at greater distances
Widest temperature range from -50.0 to 1000oC/-58.0 to 1832oF）
Unique flat surface, modern housing design
Built-in laser pointer
Automatic Data Hold
oC/oF switch
Emissivity Digitally adjustable from 0.10 to 1.0
MAX,MIN,DIF,AVG temperature displays
Backlight LCD display
Automatic selection range and Display Resolution 0.1oC(0.1oF)
Trigger lock
Set high and low alarms

Accuracy
Assumes ambient operating temperature of 23 to 25 oC (73 to 77oF)

-50oC ～ -20oC (-58oF to -4oF)	±5oC/+9oF
-20oC ～ 200oC (-4oF to 392oF)	±1.5% of reading or ±2ºC（+3.6oF）
200oC ～ 538oC (392oF to 1000oF)	±2.0% of reading or ±2.0ºC（+3.6oF）
538oC ～ 1000oC (1000oF to 1832oF)	±3.5% of reading or ±5ºC（+9oF）

Specifications:

Temperature Range	-50～1000oC(-58～1832oF)
Display Resolution	0.1oC(0.1oF)
Optical Resolution	50:1 Distance to Spot size
Basic Accuracy	±1.5% of reading
Response Time	Less than 1 second
Spectral Response	8～14um
Emissivity	Digitally adjustable from 0.10 to 1.0
Over Range Indication	LCD will show "-0L","0L"
Polarity	Automatic (no indication for positive polarity);Minus (-) sign for negative polarity
Diode Laser	output<1mW,Wavelength 630~670nm,Class 2(II) laser product
Operating Temp.	0 to 50oC(32 to122oF)
Storage Temp.	–20 to 60oC(-4 to 140oF)
Relative Humidity	10%~90%RH operating, <80%RH storage
Power Supply	9V battery,NEDA 1604A or IEC 6LR61,or equivalent
Weight	290g (10.2 oz.)
Size	220 x 120 x 56mm
Safety	"CE" Comply with EMC

Accessories:
9V battery,English manual,Carrying case and Gift box.

Non-contact Forehead Infrared Thermometer

Model: RC001

It gets the human's temperature 5-15cm from forhead or body. It avoid cross infect when using on different people.
It can get the temperature just in 0. 50 seconds.
No material supplement, and no cross infect. Suitable for repeated using.
You can set the standard temperture. Then hunman's temperature is above setted one, the thermometer will alarm.

Have passed ISO, CE certificate.Operation Condition:

Environmental temperature: 10 centigrade --40 centigrade
Relative humidity: Below 85%
Voltage rating: DC3V (A pair of battery, type: AA)

Size: 159mm(length); 89mm(width); 38mm(height)
Weight: 220g
Mini Unit: 0. 1centigrade
Measurement range: 30. 0centigrade --50. 0centigrade
Consumed power: Below 50mv
Measurement error: In 0. 2centigrade
Measurement distance: 50mm--150mm
Time of auto powering off: 5-second

DT-8806H Body Infrared Thermometer
This Thermometer is specially designed to take the body temperature of a person regardless of room temperature

Features:

Precise non-contact measurements
User selectable ºC or ºF
Selectable Body and Surface temp
Set Alarm value
Memorization of the last 32 measurements
Trigger lock
Automatic Data Hold & Auto power off
Automatic selection range and Display Resolution 0.1ºC(0.1ºF)
Backlight LCD display

Specifications:

Body Temp range	30.0 to 43ºC/86ºF to 109ºF
Surface Temp range	0 to 60ºC(32ºF to 140ºF)
Basic Accuracy	In mode of BODY +0.4ºC/+0.7ºF In mode of Surface +0.8ºC/+1.5ºF
Measuring distance	5~15CM
Response Time	0.5 second
Over range indication	LCD will show "HI"/"Lo"
Polarity	Automatic (no indication for positive polarity); Minus (-) sign for negative polarity
Emissivity	0.95 fixed value
Spectral response	6~14um
Power off	Automatic shut off after 7 seconds, approx.
Operating Temp.	0ºC to 50ºC (32ºF to 122ºF)
Storage Temp.	-20ºC to 60ºC(-4ºF to 140ºF)
Relative humidity	10%~90%RH operating,<80%RH storage
Power supply	9V battery,NEDA 1604A or IEC 6LR61,or equivalent
*Note:* Accuracy is given at 23ºC to 28ºC (73ºF to 82ºF),less than 80%RH. Emissivity: 0.95 fixed value *Field of View:* Make sure that the target is larger than the unit’s spot size. The smaller the target, the closer you should be to it. When accuracy is critical, make sure the target is at least twice as large as the spot size.

Size(HxWxD): 160x82x42mm
Weight: 177g

Accessories:
9V battery, Carrying case, Gift box.