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k1

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C ASHCROFT' Trust the shield.™ Optional (0.5% Accuracy Class only): ZERO    ±0.014%    N/A Standard Ranges (psi) gauge, compound: APPLICATIONS Hydraulic, refrigeration, machine tool, test/measurement, pump control, HVAC, medical, construction equipment and all general purpose industrial process applications FEATURES: • 0.5% and 1.0% accuracy • Vac.-20,000 psi pressure range • FM approved (optional) • Superior long-term stability and repeatability • Stainless steel NEMA 4X enclosure • Current/voltage output • Wide range of electrical connections available • Optional panel meter digital display -see Ashcroft model DM61 The Ashcroft® K1 is a proven and versatile pressure transducer/transmitter incorporating polysilicon thin film technology. Modern low-pressure chemical vapor deposition methods provide simple, stable molecular bonds between the metal diaphragm and a polysilicon strain gage bridge. There are no epoxies or bonding agents to contribute to signal instability or drift. The integral metal diaphragm and polysilicon bridge are virtually unaffected by shock, vibration or mounting. These transmitters are offered in many standard pressure ranges with either current or voltage output signals. Transmitter performance is directly traceable to the NationaI Institute of Standards and Technology. A calibration test certificate is available with each transmitter. PERFORMANCE SPECIFICATIONS Accuracy Class (Span):    ±0.5%    ±1.0% Includes non-linearity (Terminal Point Method), hysteresis, non-repeatability, zero offset and span setting errors Best Fit Straight Line (BFSL)    ±0.25%    ±0.4% Durability: 108 cycles 20/80% span with negligible performance change Stability: ±0.5% Span/yr ENVIRONMENTAL SPECIFICATIONS Temperature Limits: Storage:    -54 to 121 °C (-65 to +250°F) Thermal Coefficients: (68°F (20°C) ref.) % Span/°F: Multiply thermal zero coefficients by 1.5 on 0/30 psi, vac/15 range and by 3 on 0/15 and vac/0 ranges Humidity: No performance effect at 95% relative humidity-noncondensing FUNCTIONAL SPECIFICATIONS *1% accuracy ranges only. Consult factory for nonstandard ranges\. Overpressure Limits (F.S.): 15-    3000-    75002000    5000    20,000 Vibration Sweep: Less than ±0.1%F.S. effect for 0-2000 Hz at 20 g’s in any axis Shock: Less than ±0.05% F.S. effect for 100 g's, 20ms shock in any axis Response Time: Less than 5 ms Position Effect: Less than 0.01% F.S. ELECTRICAL SPECIFICATIONS Output Signal (consult factory for options): 4-20mA (2 wire) 1-5 Vdc (3 wire) 1-6 Vdc (3 wire) 1-11 Vdc (3 wire) (minimum excitation 15 Vdc) Power Requirements: 10-36 Vdc unregulated, <3mA for voltage output Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281 • Fax: 203-385-0408 email: info@ashcroft.com • www.ashcroft.com All specifications are subject to change without notice. All sales subject to standard terms and conditions. © Ashcroft Inc. 2015

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C ASHCROFT' Trust the shield.™ PHYSICAL SPECIFICATIONS Enclosure: NEMA 4X (NEMA 1 only if <500 psig if electrical termination is Bendix® or Hirschmann®) Weight: 2 oz. (approx. w/o cable) Reverse Polarity Protected MATERIALS: Case: 300 series stainless steel Cable: No. 24 AWG, 36" PVC, shielded, vented,UL approved Diaphragm: 17-4 PH stainless steel Standard Process Connections: (316 stainless steel) '/ NPT male or female '/ NPT male or female >4 SAE-J-514 (male) 916-18 UNF 2B AMINCO (female) required for pressures over 10,000 psi Other connections available on request Load Limitations 4-20mA...

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