201/203/205/207 Series Flowmeters and Controllers Instruction Manual
EAR99 Technology Subject to Restrictions Contained on the Cover Page
Page 7 of 28
Specifications HFM-201/205
WARNING
: Do not operate instruments exceeding the specifications listed below. Failure to
heed this warning could result in serious personal injury and/or damage to the equipment.
Accuracy
1
and Linearity:
±1% of FS
Repeatability:
±0.043% FS
Standard Pressure Rating:
500 psig
Pressure Coefficient:
+0.0067%/psig (0-1000 psig N2) typical
High Pressure Option:
Proof tested to 1500 psig
Leak Integrity:
Less than 1x10
-9
sccs
Operating Temperature:
-20°C to 70°C
Temperature Coefficient:
Zero ±0.035% FS/°C (-20 to 70°C), Span ±0.06% FS/°C (-20 to 70°C)
WARNING
: Operation above 60 °C ambient may result in case temperatures capable of causing
burns.
Power (±15V meter, 0-5 VDC):
+(14-16) VDC @ 35 mA, -(14-16) VDC @ 20 mA (~ 0.88 watts)
Power (±15V meter, 4-20 mA):
+(14-16) VDC @ 55 mA, -(14-16) VDC @ 20 mA (~ 1.2 watts)
Power (24V meter, 0-5 VDC):
(11-36) VDC ~ 1.08 watts
Power (24V meter, 4-20 mA):
(11-36) VDC ~ 1.80 watts
NOTICE:
Use of an underpowered or under-voltage supply could result in equipment damage.
Output Flow Signal:
0-5.00 VDC linear or 4-20 mA
Wetted Material
2
:
302 SS,
316 SS, Viton®, 82/18 Au/Ni Braze, Ni 200, Trace Silver Solder
Connector:
15-pin subminiature D / (9-pin for 24V)
Fittings:
½-in Swagelok® for 201L, ¾-in Swagelok® for 201H, 1-in Swagelok for
205
Weight (approx.)
3.55 lb. (1610 g) for 201L, 3.25 lb. (1470 g) for 201H, 8.10 (3650 g) for
205
WARNING:
Do not power with isolated drive circuits that are more than 36 volts above ground
potential or could reach 36 volts in the event of a fault. Failure to heed this warning could
result in serious personal injury and/or damage to the equipment.
Response Time (0-100%):
5 seconds typical
1 Stated accuracy is for nitrogen or other gas specific calibration and using this gas only.
2 Other materials are available. Viton is the standard O-ring option.