Name	Description	Category
Testo 6443 (0555 6443) DN40 Compressed Air Flow Transmitter	Leakage detection, compressed air consumption meaurement Consumption cost allocation Peakload management Measuring range: 1.3 to 410 Nm³/h Pipe diameter: DN 40 (for 1 1/2" pipes) Weight: 3.0 kg Max. display value norm volume flow: 492 Nm³/h Min./max. monitoring Control of consumption-dependent maintenance strategies Automatic, exact compressed air dosage	Transmitters
Testo 6442 (0555 6442) DN25 Compressed Air Flow Transmitter	Leakage detection, compressed air consumption meaurement Consumption cost allocation Peakload management Measuring range: 0.75 to 225 Nm³/h Pipe diameter: DN 25 (for 1" pipes) Weight: 1.1 kg Max. display value norm volume flow: 270 Nm³/h Min./max. monitoring Control of consumption-dependent maintenance strategies Automatic, exact compressed air dosage	Transmitters
Testo 6441 (0555 6441) DN15 Compressed Air Flow Transmitter	Leakage detection, compressed air consumption meaurement Consumption cost allocation Peakload management Measuring range: 0.25 to 75 Nm³/h Pipe diameter: DN 15 (for 1/2" pipes) Weight: 0.9 kg Max. display value norm volume flow: 90 Nm³/h Min./max. monitoring Control of consumption-dependent maintenance strategies Automatic, exact compressed air dosage	Transmitters
Testo 6383 (0555 6383) Metal Wall-mount Differential Pressure Transmitter	Measurement of differential pressure; optional: humidity and temperature Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Low measurement range up to 10 Pa ensures highest precision at lowest pressures Flat housing allows flush surface integration in the cleanroom wall Display with multi-language operating menu and optical alarm display Preparation for external humidity/ temperature probe Testo 6610 Piezoresistive sensor 0.1 Pa Resolution 0.1 percent RH Humidity 0.01° C Temperature Protection class: IP 65 Operation temperature: -5 to 50° C Storage temperature: -20 to 60° C Process temperature: -20 to 65° C Measures 161 mm length, by 78 mm width, by 396 mm height	Transmitters
Testo 6381 (0555 6381) Metal Differential Pressure Transmitter	Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Low measurement range up to 10 Pa ensures highest precision at lowest pressures Flat housing allows flush surface integration in the cleanroom wall Display with multi-language operating menu and optical alarm display Differential pressure: scalable +/-50 percent of measuring range final value; freely scalable within measuring range Measuring cycle: 1/sec Resolution: 12 bit Maximum load: 500 ohms Front plate stainless steel, housing plastic material 3-line LCD with multi-language operating menu Operation temperature: -5 to 50° C Storage temperature: -20 to 60° C Process temperature: -20 to 65° C Measures 161 mm length, by 78 mm width, by 396 mm height Preparation for external humidity/temperature probe Testo 6610 Piezoresistive sensor	Transmitters
Testo 6351 (0555 6351) Plastic Differential Pressure Transmitter	Measurement of differential pressure, flow velocity and volume flow Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Display with multi-language operating menu and optical alarm display Ethernet, relay and analog outputs allow optimum integration into individual automation systems Self-monitoring of the transmitter and early warning function guarantee high system availability 4 relay outputs, limit value monitoring Cable entry NPT 1/2" Operating temperature: -5 to 50 ° C Storage temperature: -20 to 60 ° C Process temperature: -20 to 65 ° C Measures 162 mm length by 77 mm width by 122 mm height Piezoresistive sensor Measuring cycle: 1/sec Maximum load: 500 ohms Differential pressure: mbar/min/max Protection class: IP 65	Transmitters
Testo 6321 (0555 6321) ABS Compact Differential Pressure Transmitter	Measurement of differential pressure in the measuring range of 0 to 100 Pa Accuracy +/-1.2 percent of Measuring range: + intrinsic error of 0.3 Pa - valid for zeroing cycle of 60 sec/nominal temperature 22 ° C Freely scalable: +/-50 percent of measuring range final value and free scalability within the measuring range Piezoresistive sensor Automatic zero-point adjustment: via magnetic valve Protection class: IP65 only when the transmitter is wired and/or sealing plugs are in use Output type: 0 to 5V (3 or 4-wire) Measuring rate: 1/s Resolution: 12 bit Maximum load: 500 ohms Humidity (sensor): 0 to 90 percent rF Temperature (sensor): -5 to 50 ° C Storage temperature: -40 to 80 ° C	Transmitters
Testo 230-KIT (0563 2305) pH ABS Universal Meter Set	pH universal set include analysis instrument with 2 electrode clips and battery Testo buffer set pH 4 and 7, 50 ml each, universal plastic electrode with temperature sensor plastic set case and batteries Testo 230 combines a complete pH measuring instrument and a high standard thermometer in a compact, waterproof housing The instrument has automatic temperature compensation and can be calibrated in the pH range with standard and also with DIN buffers Measures 168 mm length by 72 mm width by 27 mm height Measuring range: 0 to 14 pH Accuracy: +/-1 digit +/-0.01 pH (0 to +14 pH) Resolution: 0.01 pH Operating temperature: 0 to 40° C Storage temperature: -20 to 70° C Battery life: 100 h manual -10 to +150° C; auto -50 to +150° C temperature compensation Battery type: 9V block battery Material/housing: ABS Display: LCD, 2 lines	Water Quality Meters