Walker Tulsa Ranger™ CSA EX ia IIc
This unit has been designed in accordance with Chapter 7 Section 2 Third Edition, May 2018.
FEATURES
- User selectable auto-off timer to save battery life
- Resolution of 0.1°
Temperature range -40° to 400° F
- 10-minute timer on backlight to save battery life
- Easy F to C switching
- Backlit LCD with indicating arrows indicating rate of change
- 4 Point calibration
- Cable units 25' standard length, additional lengths are available
- 1/4" Probe with tappered brass weight
- Highly durable membrane switch faceplate
- Glow in the dark keypad
- Auto backlight upon power up function (Hold)
SPECIFICATIONS
Display: Amber backlit LCD with 0.45" characters with trend indication arrows and low battery and fault indication
Selectable Resolution of 0.1°
User Selectable auto-off timer
CONSTRUCTION:
Stainless steel temperature probe and sensor.
Electronics and display in CNC machined anodized Aluminum or stainless steel enclosure.
Highly durable display window, graphics and membrane switches.
Weight: .7lbs
Temperature: Resolution to 0.1°
Average Calibrated Accuracy: ±0.080F (32-300 F) & ±0.048C (0-150C)
Time Constant: 7 seconds in circulated water bath Constant: (63.2% response to temperature change)
Electronics: Ultra Low Power Microcontroller, FLASH Memory, 20 bit A/D Converter
Recommended Ambient Temperature Range for best accuracy 32 to 112 F, 0 to 44 C
Sensor: 1000 Ohm, Class A Platinum RTD
Immersion depth 4", 11cm
Battery: Energizer Ultimate Lithium L92 Intrinsically Safe Rated AAA, Battery life (depending upon use) 25-150 hrs Battery Operating Range: -40°C to 60°C (-40°F to 140°F)
TYPICAL APPLICATIONS
Custody transfer, temperature baths, reference, temperature calibration for flow meters, thermowells, provers, reference, distillations, melting point tests, and flash point tests. Industries: Laboratory, Petroleum, Pipeline, Pharmaceutical, Food & many more.
Certifications: Intrinsically safe for use in Class I, Division I Groups A, B, C, & D. Class 1, Zone 0, Group IIC Hazardous Locations
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