Thermal gas flow meter DN65-250 testo 6457

7 Models of Thermal gas flow meter DN65-250 testo 6457

Items marked with have different values depending on the model number.

Click on the part number for more information about each product

Part Number	Price (excluding tax)	Analog current output	Bearing pressure	Display range	Distribution diameter	Electric shock protection class	Humidity	Low -flow cut -off (LFC)	Mass (stainless steel type)	Mass (steel type)	Maximum current load	Maximum load resistance	Media	Media temperature	Model number	Number of signals	Operating temperature	Operating voltage	Output signal	Piping length	Protection grade	Pulse voltage	Reproducibility	Short circuit protection	Storage temperature	Temperature coefficient	Temperature monitoring accuracy	power consumption	pulse width
Testo 6457 DN65 (2½ ")	Available upon quote	4-20 ma	16 BAR (> DN200 14 BAR)	0 to 120 % of full scale values	DN65 (2½ ")	III	<90 %	Can be changed by users. Settings at the time of factory: 0.13 %x full scale value	11.1 kg	9.2 kg	<150 ma	500 Ω	Compressed air	-10 ~+60 ° C /+14 ~+140 ° f	0555 6457	2	0 to +60 ° C	18-30 VDC (EN 50178 SELV / Pelv)	Analog current output x 1, pulse output x 1	124 mm	IP 65: IP 67	VDC / 2 V	± (1.5 % x measurement value)	◯	-20 to +85 ° C C	± (measured value x 0.07 %) 1/k	± 0.5 k (applicable within the measurement range of flow velocity and flow rate)	<80 ma	0.002-2s (depending on the pulse output value)
Testo 6457 DN80 (3 ")	Available upon quote	4-20 ma	16 BAR (> DN200 14 BAR)	0 to 120 % of full scale values	DN80 (3 ")	III	<90 %	Can be changed by users. Settings at the time of factory: 0.13 %x full scale value	13.2 kg	11.3 kg	<150 ma	500 Ω	Compressed air	-10 ~+60 ° C /+14 ~+140 ° f	0555 6457	2	0 to +60 ° C	18-30 VDC (EN 50178 SELV / Pelv)	Analog current output x 1, pulse output x 1	160 mm	IP 65: IP 67	VDC / 2 V	± (1.5 % x measurement value)	◯	-20 to +85 ° C C	± (measured value x 0.07 %) 1/k	± 0.5 k (applicable within the measurement range of flow velocity and flow rate)	<80 ma	0.002-2s (depending on the pulse output value)
Testo 6457 DN100 (4 ")	Available upon quote	4-20 ma	16 BAR (> DN200 14 BAR)	0 to 120 % of full scale values	DN100 (4 ")	III	<90 %	Can be changed by users. Settings at the time of factory: 0.13 %x full scale value	15.4 kg	13.5 kg	<150 ma	500 Ω	Compressed air	-10 ~+60 ° C /+14 ~+140 ° f	0555 6457	2	0 to +60 ° C	18-30 VDC (EN 50178 SELV / Pelv)	Analog current output x 1, pulse output x 1	160 mm	IP 65: IP 67	VDC / 2 V	± (1.5 % x measurement value)	◯	-20 to +85 ° C C	± (measured value x 0.07 %) 1/k	± 0.5 k (applicable within the measurement range of flow velocity and flow rate)	<80 ma	0.002-2s (depending on the pulse output value)
Testo 6457 DN125 (5 ")	Available upon quote	4-20 ma	16 BAR (> DN200 14 BAR)	0 to 120 % of full scale values	DN125 (5 ")	III	<90 %	Can be changed by users. Settings at the time of factory: 0.13 %x full scale value	23.2 kg	21.3 kg	<150 ma	500 Ω	Compressed air	-10 ~+60 ° C /+14 ~+140 ° f	0555 6457	2	0 to +60 ° C	18-30 VDC (EN 50178 SELV / Pelv)	Analog current output x 1, pulse output x 1	172 mm	IP 65: IP 67	VDC / 2 V	± (1.5 % x measurement value)	◯	-20 to +85 ° C C	± (measured value x 0.07 %) 1 / k	± 0.5 k (applicable within the measurement range of flow velocity and flow rate)	<80 ma	0.002-2s (depending on the pulse output value)
Testo 6457 DN150 (6 ")	Available upon quote	4-20 ma	16 BAR (> DN200 14 BAR)	0 to 120 % of full scale values	DN150 (6 ")	III	<90 %	Can be changed by users. Settings at the time of factory: 0.13 %x full scale value	28.8 kg	26.9 kg	<150 ma	500 Ω	Compressed air	-10 ~+60 ° C /+14 ~+140 ° f	0555 6457	2	0 to +60 ° C	18-30 VDC (EN 50178 SELV / Pelv)	Analog current output x 1, pulse output x 1	180 mm	IP 65: IP 67	VDC / 2 V	± (1.5 % x measurement value)	◯	-20 to +85 ° C C	± (measured value x 0.07 %) 1/k	± 0.5 k (applicable within the measurement range of flow velocity and flow rate)	<80 ma	0.002-2s (depending on the pulse output value)
Testo 6457 DN200 (8 ")	Available upon quote	4-20 ma	16 BAR (> DN200 14 BAR)	0 to 120 % of full scale values	DN200 (8 ")	III	<90 %	Can be changed by users. Settings at the time of factory: 0.13 %x full scale value	39.2 kg	37.3 kg	<150 ma	500 Ω	Compressed air	-10 ~+60 ° C /+14 ~+140 ° f	0555 6457	2	0 to +60 ° C	18-30 VDC (EN 50178 SELV / Pelv)	Analog current output x 1, pulse output x 1	180 mm	IP 65: IP 67	VDC / 2 V	± (1.5 % x measurement value)	◯	-20 to +85 ° C C	± (measured value x 0.07 %) 1/k	± 0.5 k (applicable within the measurement range of flow velocity and flow rate)	<80 ma	0.002-2s (depending on the pulse output value)
Testo 6457 DN250 (10 ")	Available upon quote	4-20 ma	16 BAR (> DN200 14 BAR)	0 to 120 % of full scale values	DN250 (10 ")	III	<90 %	Can be changed by users. Settings at the time of factory: 0.13 %x full scale value	57.7 kg	55.8 kg	<150 ma	500 Ω	Compressed air	-10 ~+60 ° C /+14 ~+140 ° f	0555 6457	2	0 to +60 ° C	18-30 VDC (EN 50178 SELV / Pelv)	Analog current output x 1, pulse output x 1	196 mm	IP 65: IP 67	VDC / 2 V	± (1.5 % x measurement value)	◯	-20 to +85 ° C C	± (measured value x 0.07 %) 1/k	± 0.5 k (applicable within the measurement range of flow velocity and flow rate)	<80 ma	0.002-2s (depending on the pulse output value)