Ordering devices for fuel cell use - HMP7 - HMT310

HMP7 warmed probe

When ordering the HMP7 probe for your fuel cell application, make sure that you order the warmed probe model. Include the following Vaisala items in your order:

Table 1. Fuel cell items for HMP7 warmed probe
Nr	Category	Selection	Code
3	Sensor type	Humicap R2 composite sensor, allows sensor purge	1
4	Filter type	Membrane SST filter for fuel cell applications	E
5	Sensor purge	Fast probe heat on, purge on	7
10	Probe mounting accessory	Swagelok for NPT ½" thread or Swagelok for 3/8" thread	G or H

Table 2. Example order code for HMP7 for fuel cell use
	1	2	3	4	5	6	7	8	9	10	11
HMPX	7	E	1	E	7	A	0	A	0	G	0

HMT317/337 transmitter with warmed probe

When ordering HMT317 and HMT337 transmitters for your fuel cell application, make sure that you order the transmitter with the warmed probe model. Include the following Vaisala items in your order:

Table 3. Fuel cell items for HMT317 with warmed probe
Nr	Category	Selection	Code
1	Transmitter type	Fuel cell model with extended heating	F
13	Humidity sensor type	Warmed probe without purge, HUMICAP180RC	E
14	Sensor protection	Membrane SST filter	G
16	Installation kit	ISO 3/8 Swagelok connector or NPT ½" Swagelok connector	G or H

Table 4. Example order code for HMT317 for fuel cell use
	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
HMT310	F	C	5	A	1	A	A	A	1	4	B	P	E	G	1	G	2

Ordering devices for fuel cell use - HMP7 - HMT310 - HMT330

HMP7 and HMT317/337 for Fuel Cell Applications Technical Note

HMP7 warmed probe

HMT317/337 transmitter with warmed probe