| Ambient CO₂ | |
|---|---|
| Measuring range | 0 to 9999 ppm 0 to 0.999 Vol.% | 
| Accuracy | 0 to 5000 ppm: ±(75 ppm + 3 % of mv) 5001 to 9999 ppm: ±(150 ppm + 5 % of mv) | 
| Resolution | 1 ppm 0.001 Vol.% | 
| General technical data | |
|---|---|
| Dimensions | 7 x 2 x 2 in. / 190 x 57 x 42 mm | 
| Operating temperature | 32° to 122 °F / 0 to +50 °C | 
| Housing | ABS | 
| Measuring medium | Air | 
| Auto-off instrument | 10 min | 
| Battery type | 9V block battery | 
| Battery life | 6 h | 
| Display type | LCD | 
| Display size | 2 lines | 
| Storage temperature | -4° to 158 °F / -20 to +70 °C | 
| Weight | 11 oz. / 300 g | 
| Testo 535 | CO2 meter | 0560 5350 | 
| Testo 549 | Digital manifold | 0560 0550 | 
| Testo 549i | Refrigeration pressure wireless Smart Probe | 0560 1549 | 
| Testo 550 | Digital manifold kit with Bluetooth | 0563 1550 | 
| Testo 557 | 4-Valve digital manifold kit with Bluetooth and external vacuum gauge | 0563 1557 | 
| Testo 552 | Digital vacuum / micron gauge with Bluetooth | 0560 5522 | 
| Testo 570 | 4-Valve digital manifold kit with data logging | 0563 5702 | 
| Testo 605-H1 | Compact thermal hygrometer | 0560 6053 | 
| Testo 605-H2 | Compact thermal hygrometer | 0560 6054 | 
| Testo 605i | Thermo-hygrometer wireless Smart Probe | 0560 1605 | 
| Testo 606-1 | Moisture meter | 0560 6060 | 
| Testo 606-2 | Moisture meter | 0560 6062 | 
| Testo 608-H1 | Thermal hygrometer | 0560 6081 | 
| Testo 608-H2 | Thermal hygrometer | 0560 6082 | 
| Testo 610 | Pocket-sized air humidity measuring instrument | 0560 0610 | 
| Testo 616 | Moisture meter | 0560 6160 | 
| Testo 622 | Thermohygrometer and barometer | 0560 6220 | 
| Testo 623 | Thermohygrometer | 0560 6230 | 
| Testo 625 | Thermohygrometer | 0563 6251 | 
| Testo 635-1 | Humidity measuring instrument | 0560 6351 | 
| Testo 635-2 | Temperature and moisture meter | 0563 6352 | 
| Testo 645 | Humidity measuring instrument for industry | 0560 6450 | 
| Testo 720 | Temperature meter | 0560 7207 | 
| Testo 735-1 | 3-Channel temperature measuring instrument | 0560 7351 | 
| Testo 735-2 | 3-Channel temperature measuring instrument | 0563 7352 | 
| Testo 750-1 | Digital Voltage Tester | 0590 7501 | 
| Testo 750-2 | Digital Voltage Tester with GFCI Test | 0590 7502 | 
| Testo 750-3 | Digital Voltage Tester with GFCI Test | 0590 7503 | 
| Testo 755-1 | Current / Voltage Meter with 200 A AC, 600 V AC/DC, and Continuity | 0590 7551 | 
| Testo 755-2 | Current / Voltage Meter with 200 A AC, 1000 V AC/DC, Continuity, and Phase Rotation Tester | 0590 7552 | 
| Testo 760-1 | Digital multimeter | 0590 7601 | 
| Testo 760-2 | Digital multimeter with type K and TRMS | 0590 7602 | 
| Testo 760-3 | Digital multimeter with type K, TRMS, and 1,000 V range | 510999 7603 | 
| Testo 770-1 | Hook clamp meter | 0590 7701 | 
| Testo 770-2 | Hook clamp meter with thermocouple adapter | 0590 7702 | 
| Testo 770-3 | Hook clamp and power meter with Bluetooth | 510999 7703 | 
| Testo 805i | Infrared thermometer wireless Smart Probe | 0560 1805 | 
| Testo 810 | Pocket-sized temperature measuring instrument | 0560 0810 | 
| Testo 826-T2 | Infrared thermometer with laser marking for food (6:1 optics) | 0563 8282 | 
| Testo 826-T4 | Infrared thermometer with laser marking and penetration probe for food (6:1 optics) | 0563 8284 | 
| Testo 830-T2 kit | Infrared thermometer | 0563 8312 | 
| Testo 830-T4 | Infrared thermometer with 2-point laser marking (30:1 optics) | 0560 8314 | 
| Testo 830-T4 Set | Infrared thermometer | 0563 8314 | 
| Testo 835-T1 | Infrared thermometer | 0560 8351 | 
| Testo 835-T2 | Infrared thermometer | 0560 8352 | 
| Testo 835-H1 | Infrared thermometer and moisture meter | 0560 8353 | 
| Testo 845 | Infrared temperature measuring instrument | 0563 8450 | 
| Testo 845 | with integrated humidity module - Infrared temperature measuring instrument with integrated humidity module | 0563 8451 | 
| Testo 865 | thermal imager | 0560 8650 | 
| Testo 868 | thermal imager with App | 0560 8681 | 
| Testo 869 | thermal imager | 0560 8690 | 
| Testo 871 | thermal imager with App | 0560 8712 | 
 
			 
		 
	 
							