PFEIFFER | TMH261P Pump Specification

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PFEIFFER TMH261P Pump Specification

Parameter		TMH261P
Flange (in)		DN 100 ISO-K
Flange (out)		DN 25 ISO-KF / G 1/4"
Venting connection		G 1/8"
Rotational speed ±2%		60000 rpm
Run-up time		1.6 min
Ultimate pressure with rotary vane pump		< 1·10⁻⁷ mbar
Ultimate pressure with diaphragm pump		< 1·10⁻⁷ mbar
Fore Vacuum max. for N₂		1.4 · 105
Compression ratio	N₂	>1·10⁹
	He	3·10⁵
	H₂	1.4·10⁴
	Ar	>1·10⁹
Gas throughput at 0.1 mbar HV	N₂	7 mbar l/s
	He	6 mbar l/s
	H₂	3.5 mbar l/s
	Ar	7 mbar l/s
Gas throughput at full rotational speed	N₂	7 mbar l/s
	He	9 mbar l/s
	H₂	43 mbar l/s
	Ar	4 mbar l/s
Pumping speed backing pump for the listed gas throughputs at least		10 m3/h
Pumping speed for	N₂	210 l/s
	He	220 l/s
	H₂	175 l/s
	Ar	200 l/s
Cooling method, standard		Water, air
Max. cooling water temperature		25 °C
Cooling water consumption		100 l/h
Weight		6.1 kg
Standby rotational speed		50 db (A)
Sound pressure level		22 mbar
Ultimate pressure of the backing pump		<5 mbar
Integral leak rate		<1·10⁻⁷ mbar l/s
Max. rotor temperature		90 °C
Max. input heat capacity		8 W
Max. surrounding magnetic field		6 mT
Fore vacuum max.	He	8 mbar
	H₂	4 mbar
	Ar	10 mbar
Vertex of the power characteristics line	A	170/1000 W/Hz
	B	170/1000 W/Hz
	C	103/1000 W/Hz
	D	170/760 W/Hz
Lubricant		TL011
Max. ambient temperature with air cooling		35 °C
Operating voltage		48 ± 5% VDC
Max. power consumption: pump		200 W
Power consumption, continous operation		170 W
Max. current consumption: pump		4.8 A
Current consumption, continous operation		4.1 A
Protection class		IP 30
Temperature: Storage		-25 to +55 °C
Relative humidity (non dewing)		5 to 85 %