BAPI Thermobuffer Catalog Page
A60
Thermobuffer
*
Temperature Sensors
Features & Options
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Slows/Buffers Temperature Changes in Coolers & Freezers
(Caused by Opening and Closing of Cooler/Freezer Door)
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Fluid-Filled Chamber to Mimic Core Temperatures
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Easy Wall Mount or Wire Shelf Hanger
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Decreases False High Limit Alarms
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Available in Stainless Steel or Aluminum
The BAPI Thermobuffer Temperature Sensor is used to
simulate more closely the refrigerator contents rather than
the refrigerator air temperature. The uid-lled chamber
allows for slower reaction to abrupt temperature changes,
yet still maintains long-term accuracy if the change remains
permanent. It eliminates the temperature spikes due to
frequent refrigerator or freezer door opening and decreases
false alarms.
The Thermobuffer comes in three buffer sizes 1”, 2” and 4”
and is designed to save valuable shelf space by mounting to
the wall or by hanger in a refrigerator or freezer. The buffer
chamber is machined in 304 Stainless Steel or aluminum and
accommodates a variety of temperature sensors or transmitters
to interface with all BAS systems.
Blü-Test
Commissioning just got easier with BAPI’s Bluetooth
temp and humidity probe. No need to carry an extra
meter because the Blü-Test communicates to your
Bluetooth-enabled Smart Phone or Tablet.
For more info, see the Accessories section.
*All Passive Thermistors 20KΩ and smaller are CE compliant.
Bluetooth® Wireless Temp & Humidity Probe
Rev. 02/25/15
Refrigerator
(1” Hanging Bracket)
BA/#-TB-M304-1-HB
Walk-in Freezer
(BAPI-Box w/ 4”
Cylinder)
BA/#-TB-M304-4-BB
Chest Freezer
(BAPI-Box 2
with 2” Probe)
BA/#-TB-M304-2-BB2
Specications
Sensor: Thermistor, RTD or Transmitter
Probe: Stainless steel
Wire: 22 awg stranded, 2 or 3 wires
Insulation:
Etched Teon, PVC or FEP Jacketed
Buffer Chamber Construction:
M304......Bar stock 304 Stainless Steel
MAL .......Bar stock Aluminum
Chamber Fluid: Customer supplied
Glycol mix ........... Food grade required
1” Chamber........ ~7 ml of uid
2” Chamber........ ~24 ml of uid
4” Chamber........ ~32 ml of uid
Note: Unit requires food grade glycol
antifreeze for proper operation.
For detailed specications on the Sensors & Transmitters, see the “Sensors” section.
Enclosure Rating:
BB .........BAPI-Box, NEMA 4, IP66
BB2 .......BAPI-Box 2, NEMA 4, IP66
HB.........Open Hanging Bracket
Enclosure Material:
BB & BB2.... Polycarb., UV rated, UL94 V-0
HB............... SS bracket w/steel clip
Environmental Operating Range:
Temp. Sensor ....... -40 to 185ºF (-40 to 85ºC)
Temp. Transmitter ....-4 to 158ºF (-20 to 70ºC)
Humidity ............... 0-100%RH, Condensing
Encl. Dimensions: H x W x D
BAPI-Box (BB) 5 x 4.1 x 2.5” (127 x 104 x 63.5mm)
BAPI-Box 2 (BB2) 4.9 x 2.8 x 2.35” (125 x 71.6 x 60mm)
(For enclosure dimension drawings, turn to the end of the section.)
Agency: *CE (< 20kΩ thermistor’s), UL94V-0, RoHS
Thermobuffer
Ordering Information Thermobuffer Temperature Sensor
List Your
BA/ Price Order
Sensor Type (Required) Use the designator number (shown to the left in bold) to indicate the sensor or transmitter
Thermistors
$18 Each $_______
RTD's
$25 Each
or $_______
$35 for 1K[NI]
Semi-
conductors
$25 Each $_______
TEMPERATURE TRANSMITTERS Must include a "range" figure. Requires an enclosure.
Temperature
Transmitters
$125 for $_______
T1K & T10K
$280 for $_______
T1KM
-TB $24 $_______
-M304-1 1 Inch Sensor and 304 Stainless Steel Cylinder Buffer (Overall buffer length 1.9") $56 $_______
-M304-2 2 Inch Sensor and 304 Stainless Steel Cylinder Buffer (Overall buffer length 4.33") $168 $_______
-M304-4 4 Inch Sensor and 304 Stainless Steel Cylinder Buffer (Overall buffer length 6.3") $168 $_______
-MAL-2 2 Inch Sensor and Aluminum Cylinder Buffer (Overall buffer length 4.33") $108 $_______
-MAL-4 4 Inch Sensor and Aluminum Cylinder Buffer (Overall buffer length 6.3") $108 $_______
-HB Hanging or Screw Mounted Bracket (30" FEP jacketed cable standard) $7 $_______
$12 $_______
$12 $_______
$0 $_______
-5 5 feet of FEP Jacketed Cable $5 $_______
-10 10 feet of FEP Jacketed Cable $10 $_______
-25 25 feet of FEP Jacketed Cable $25 $_______
Options BB or BB2 enclosure is required
$7.50 $_______
EXAMPLE
BA/ 10K-2 -TB -M304-2 -BB
$______
Total =
Terminal Strip Connection (BB or BB2 required for units
¹If you're using a Temperature Transmitter and the "-NB" option and you would like an enclosure for the transmitter, you must order a BAPI-Box or
A61
Rev. 02/25/15
# 1.8K 1.8K Ω @ 25 °C 1K[375] 1K Ω Platinum @ 0 °C, 3.75 Ω/°C temp. coeff.
2.2K 2.2K Ω @ 25 °C 1K[NI] 1K Ω Nickel @ 21°C, 5 Ω/°C temp. coeff.
3K 3K Ω @ 25 °C 1K 1K Ω Platinum @ 0 °C, 3.85 Ω/°C temp. coeff.
3.25K 3.25K Ω @ 25 °C (T30 type) 2K 2K Ω Silicon @ 20 °C, 8 Ω/°C temp. coeff.
3.3K 3.3K Ω @ 25 °C
10K-2 10K Ω @ 25 °C
10K-3 10K Ω @ 25 °C SEMICONDUCTORS
10K-3[11K] 5,238 Ω @ 25 °C 334 LM334 Semiconductor
20K 20K Ω @ 25 °C 592 AD592 Semiconductor, 273 µA @ 0 °C
47K 47K Ω @ 25 °C 592-10K
50K 50K Ω @ 25 °C
100K 100K Ω @ 25 °C
T1K[range] 1K Platinum RTD, 1,000 Ω @ 0 °C with 4 to 20 mA Output
T1KM[range] 1K Platinum RTD, 1,000 Ω @ 0 °C with MATCHED 4 to 20 mA Output*
T10K[range] 10K Thermistor, 10,000 Ω @ 25 °C with 4 to 20 mA Output**
T10K5[range] 10K Thermistor, 10,000 Ω @ 25 °C with 0-5 VDC Output**
T10K10[range] 10K Thermistor, 10,000 Ω @ 25 °C with 0-10 VDC Output**
Thermobuffer Probe (Required)
THERMISTORS RTDs
AD592 Semicond. w/ 10 kΩ shunt resistor, 2.73 V @ 0 °C
TEMPERATURE TRANSMITTER RANGES
Custom temperature transmitter ranges are available. Common ranges are listed below
30 TO 81F -1 TO 27C 32 TO 212F 0 TO 100C
0 TO 100F -18 TO 38C 40 TO 240F 4 TO 116C
20 TO 120F -7 TO 49C 50 TO 250F 10 TO 121C
32 TO 134F 0 TO 57C
Probe Fitting made of 304 Stainless Steel
Buffer & Probe Length Must Select One
Temperature Sensors
Optional Hanging Bracket Probe Mounting
Enclosure Style (Required)
Part Number: BA/10K-2-TB-M304-2-BB
Your Part Number:
Call BAPI if you have questions about the above ordering grid or the configuration of the product you are ordering.
*MATCHED Transmitter use Class A RTD's & are matched at 25%, 50% & 75% of calibrated scale limited to within -25ºC to 150ºC.
**Range is limited to -40 to 185°F (-40 to 85°C)
***TS option is not available with the 592-10K Semiconductor sensor or the T10K transmitters.
BAPI-Box 2 enclosure separately. See the Accessories section to order the BB or BB2 enclosure.
BAPI-Box Enclosure - IP66 rated, UV-resistant polycarbonate. Comes with
-BB
18" etched teflon leads.
BAPI-Box 2 Enclosure - IP66 rated, UV-resistant polycarbonate. Comes with
-BB2
18" etched teflon leads.
No Box - 1/2" threaded buffer w/ probe only. Includes 20" FEP-jacketed cable
-NB
leads. (¹If using a Temp. Transmitter and "-NB" option, see note below.)
Custom Lead Length
Test & Balance Switch (BB or BB2 required, includes a
Terminal Strip Connection, not available with Temp.
-TB
Transmitter)
-TS
with a Thermistor, RTD or Semiconductor)***
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