Dissolved Oxygen Meter TETRA-MINI

Order no.: TETRA-MINI

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Accessory

RS-232 Interface Connection Cable TETRA-Series

US$ 651.95

Aspirator-Pipe-Set ASP-Mini

US$ 127.00

Description

TETRA-MINI alerts the user acoustically, visually and vibrationally to the presence of flammable gases (CH4), oxygen (O2), hydrogen sulfide (H2S) and carbon monoxide (CO). Furthermore, this unpumped four-gas meter displays the current measured value on its graphic LCD screen with backlight. Other gas sensors are available for this instrument. Call for details.

- Sensor types: CH4 / H2S / CO / O2
- Easy one-button operation
- Rechargeable Li-ion battery
- ATEX II 2G EEx iad IIC T4 approved

Highlights

- Easy one-button operation
- Unpumped (aspirator pump sold separately - see accessories) - Rechargeable Li-ion battery
- ATEX II 2G EEx iad IIC T4 approved
- Audible alarm: 90 dB (A)
- Visual alarm: Red and Blue LED
- Vibrational alarm
- 128 x 64 pixel LCD screen with backlight
- Event memory stores data when threshold value or limit exceeded
- Data transferrable to PC using RS-232 interface cable and software
(sold separately - see accessories)
- ISO-certified calibration available for an additional fee
- Other gas sensors available (call for details)
- Used as a personal protection device by clipping the meter on the body

Specification

Gas	Chemical symbol	Range	Alarm limit
Flammable gases	CH4	0 ... 100% LEL	20% LEL
Hydrogen sulfide	H2S	0 ... 100 ppm	10 ppm
Carbon monoxide	CO	0 ... 500 ppm	30 ppm
Oxygen	O2	0 ... 25%	19% and 23.5%
Response times (T90)		Lifespan
Flammable gases	20 s	5 years
Toxic gases	20 s	3 years
Oxygen	10 s	min. 1 year
Audible alarm		90 dB (A) at 1m distance different sound for different alarm levels
Visual alarm		Particularly bright LED / red and blue
Display		High contrast LCD graphic display, backlit, graphical symbols for battery status with bar graph for the remaining battery operation time
Power supply		Rechargeable Lithium-ion battery with 12-hour min. operating time based on pumped four-gas device with flammable gas sensor
Environmental conditions		-20 ... +55°C / -4 ... 131° F / 0 ... 99% RH non-condensing
Body class		IP 65 and IP 67, can be submerged in water
Dimension		114 mm x 71 mm x 48 mm / 4.5 in x 2.8 in x 1.9 in
Weight		295 g / 10.4 oz
Approval codes Europe North America		ATEX II 2G Ex ia d IIC T4 Gb (-20 ... +55°C / -4 ... 131° F ), BASEEFA 05ATEX0187 CSA Class I Division 1 Groups A, B, C and D
Safety standards Europe North America		EN60079-0, EN60079-11, EN60079-1, 94/9/EC CSA22.2, 152
Calibration The device can be routinely calibrated manually using the menu, using a PC and optional Windows-compatible software (not included - see accessories) or using PCE Instruments' recalibration services (call for details).

Delivery Scope

1 x TETRA-MINI Dissolved Oxygen Meter (unpumped)
1 x Rechargeable battery
1 x Belt clip
1 x User manual
1 x Battery charger