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AirChek 52

The AirChek® 52 air sample pump provides a 5 to 3000 ml/min flow range and 12+ hours run time for complete sampling flexibility. AirChek 52 is ideal for use with sorbent tubes and impingers for gas/vapor sampling and filter cassettes and size-selective samplers for particulates.

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Performance Profile

Flow Range 1000 to 3000 ml/min
(5 to 500 ml/min requires All-in-One adjustable tube holder or Constant Pressure Controller [CPC] and Multiple Adjustable Tube Holder accessories)
Flow Control
Holds constant flow to ± 5% of set-point after calibration
Compensation Range 1000 ml/min up to 25 inches water back pressure
2000 ml/min up to 25 inches water back pressure
2500 ml/min up to 20 inches water back pressure
3000 ml/min up to 15 inches water back pressure
  Typical Back Pressure of Sampling Media (inches water)

Filter/Pore Size (µm)

Flow Rate (L/min)
1.0 1.5 2.0 2.5
25-mm MCE/0.8 6 9 12 15
25-mm MCE/0.45 14 22 28 35
37-mm MCE/0.8 2 3 4 5
37-mm PVC/5.0 1 1 2 2

Compare the information in this table to pump compensation range to determine appropriate applications.

Run Time NiMH Battery: 12+ hrs minimum at 2000 ml/min and up to 25 inches water back pressure; dependent on media used. See Table 1.
Power Supply Rechargeable 4.8-V nickel-metal hydride (NiMH) battery pack, 3.3-Ah capacity or
battery eliminator is available (see Ordering Information); use voids the UL Listing for intrinsic safety.
Battery Charging Time
(varies with battery capacity
and level of discharge)

6 to 8.5 hrs using PowerFlex Charger
Temperature Operating: 32 to 104 F (0 to 40 C)
Storage: -4 to 113 F (-20 to 45 C)
Charging: 50 to 113 F (10 to 45 C)
Humidity 0 to 95% non-condensing
Flow Fault If pump is unable to compensate for longer than 15 seconds due to excessive back pressure, the pump enters flow fault. During flow fault, the pump stops, the fault icon appears on the display, and elapsed time remains on the display. Auto-restart is attempted up to 5 times. Elapsed time information will be lost on restart.
Low Battery Fault LCD displays low battery icon and pump shuts down. LCD remains on.
LCD Time Display LCD display shows elapsed pump run time in minutes up to 99,999.
LCD Indicator LCD always remains on. Displayed elapsed run time information resets when pump is started.
Noise Level 62.5 dBA* – pump without case
55 dBA* – pump housed in noise-reducing case (optional accessory Cat. No. 224-96C)* Pump operating at 2 L/min with a 37-mm, 0.8-µm MCE filter cassette measured at 3 ft (1 m) from pump
RFI/EMI Shielding Complies with requirements of EN 55022 1987 Class
B, and EN 50082-1:1992
Frequency range of radiated susceptibility test was
27 to 1000 MHz.
CE marked
Intrinsic Safety UL Listed for Class I, Division 1 and 2, Groups A, B, C, D; Class II, Division 1 and 2, Groups E, F, G; and, Class III, Temperature Code T3C. ATEX-approved models available; contact SKC
Dimensions 5 x 3 x 1.75 in (12.7 x 7.6 x 4.4 cm)
Weight 20 oz (567 gm)
Multiple-tube Sampling Adjustable tube holder accessory allows user to take up to four simultaneous samples at flows from 5 to 500 ml/min. CPC required
Tubing Requires 1/4-in ID tubing
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