Hi Flow
Sampler
Introduction
8
Instruction 0055-9017
1.5
Technical Data
TABLE
1-1
. TECHNICAL SPECIFICATIONS
Specification
Description
Information
Displayed
•
Date and Time
•
Battery voltage
•
Leak rate in cfm
•
Sampling flow rate in cfm
•
Leak concentration in ppm or % by volume
•
Background gas concentration in ppm or % by
volume
•
Percent difference between leak rate
measurements #1 and #2
Display
8 line by 20 character LCD
Pushbutton
Controls
I/O
↵
(Enter)
∧
(Up Arrow)
∨
(Down Arrow)
ESC
(Escape)
Communication
Three DB9 connectors providing serial data transfer at 115200 baud to a personal
computer, or other peripheral device
Measured Values
•
Sampling flow rate
•
Battery voltage
•
Sample gas concentration
•
Background gas concentration
Calculated Values
Leak concentration corrected for background gas level
Leak rate
Percent difference between leak rate measurements #1 and #2
Measurable Leak
Rate
0.05 to 8.00 SCFM (1.42 to 226 LPM)
0.05 to 6.00 SCFM (1.42 to 170 LPM)
Accuracy
Calculated Leak Rate:
±
10% of reading by volume methane
Temperature
Operating: 0 to 50 °C (32 to 122 °F)
Storage: –40 to 60 °C (–40 to 140 °F)
Humidity
5 to 95% RH (non-condensing)
Sampling Flow
Rate
Maximum .................................... 10.5 SCFM (297 LPM) at full battery charge
Operating Flow Points ................. Initial flow
≈
10 SCFM (283 LPM). Second flow
≈
8
SCFM (226 LPM). (The second flow rate is
approximately 75% of the initial flow)
Measurement Method ................ Differential pressure across restriction
Accuracy ...................................... ±5% of reading
Natural Gas Sensor Detection Method ....................... Catalytic oxidation / Thermal conductivity
Range: Catalytic oxidation.......... 0 to 5% by volume methane
Range: Thermal conductivity ..... 5 to 100% by volume methane
Accuracy ...................................... ±5% of reading or 0.02 % methane, whichever is greater
Battery
Voltage ............... 4.8 V, max.
Recharge Time ... 8 to 10 hrs
Type .......... Intrinsically Safe NiMH rechargeable pack
Run Time ... >4.5 hours continuous operation @ 20 °C
(68 °F)
Memory
Stores up to 1000 individual test parameters
Dimensions
18L x 12W x 7H inches (457 x 305 x178 mm)
Weight
20 lbs (0.9 kg)
Agency Approvals
Designed to be intrinsically safe for use in hazardous locations Class I, Division 1, Groups
A, B, C & D in North America. CAN/CSA-C22.2 No. 157 – (June 1992). ANSI (June 27,
2002)/UL913-2002. Intrinsically Safe Apparatus and Associated Apparatus for use in
Class I, Division 1, Hazardous (Classified) Locations. CE Mark – See section 8 for
Declaration of Conformity statement.
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