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PIE Practical Instrument Electronics
PIE 334 / 334Plus Loop Calibrator
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4–20 mA loop calibrator; ±0.025% span EZ-CHECK; 334Plus leakage. RFQ + selection help.
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Key parameters
Display
Backlit LCD with simultaneous mA and %
Type
4–20 mA loop calibrator family (PIE 334 and 334Plus)
Source Range
0.00 to 24.00 mA (−25.0 to 125.0% of 4–20 mA)
Read Ma
0.00 to 52.00 mA
Read V
−99.99 to +99.99 VDC
Accuracy 334
±0.025% of span at 4.00 & 20.00 EZ-CHECK outputs
Fits 4–20 mA loop source/read/simulate work where you need a PIE 334 or 334Plus with ±0.025% of span at EZ-CHECK 4.00 & 20.00 mA outputs and simultaneous mA/% display.
Key advantages
- Source — 0.00 to 24.00 mA (−25.0 to 125.0% of 4–20)
- Read — 0.00 to 52.00 mA; −99.99 to +99.99 VDC
- Accuracy — ±0.025% of span at 4.00 & 20.00 EZ-CHECK outputs (334)
- 334Plus — Loop current/ground leakage detection; menu 250 Ω HART; step/ramp
- Kit — Rubber boot, leads, NIST card; 4× AA; ≥30 h typical @ 12 mA
Typical applications
- Transmitter source/simulate/power & read.
- HART loops needing selectable 250 Ω (334Plus).
- Finding ground leakage on 334Plus.
Selection guide
- 334 vs 334Plus — Leakage/HART resistor/step-ramp needs
- Functions — Source vs simulate vs read
- Power — AA life at expected source current
- Leads/boot — Included kit
Common mistakes
- Buying 334 when leakage detection is required.
- Forgetting 250 Ω for some HART communicators (334Plus menu).
- Simulate without understanding loop power source.
When to RFQ / what to tell us
- 334 vs 334Plus; accessories.
- Quantity and ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 24116 |
| Brand | PIE Practical Instrument Electronics |
| Model | PIE 334 / 334Plus |
| Product type | Loop Calibrator |
| Type | 4–20 mA loop calibrator family (PIE 334 and 334Plus) |
| Source range | 0.00 to 24.00 mA (−25.0 to 125.0% of 4–20 mA) |
| Read mA | 0.00 to 52.00 mA |
| Read V | −99.99 to +99.99 VDC |
| Accuracy | ±0.025% of span at 4.00 & 20.00 EZ-CHECK outputs |
| Functions | Source mA; simulate 2-wire TX; power & read 2-wire TX; read loop current/voltage |
| 334Plus extras | Patented loop current / ground leakage detection; menu 250 Ω HART resistor; step/ramp |
| Display | Backlit LCD with simultaneous mA and % |
| Power | 4× AA; ≥30 hrs typical at 12 mA source |
| Size/weight | 5.63×3.00×1.60 in; ~12.1 oz with boot & batteries |
| Includes | Rubber boot, attached test leads, NIST certificate card |
Documents
FAQ
Q: 334 vs 334Plus? A: 334Plus adds leakage detection, menu 250 Ω HART resistor, step/ramp.
Q: EZ-CHECK accuracy? A: ±0.025% of span at 4.00 & 20.00 mA outputs.
Q: What should I send for a quote? A: Model, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Display | Backlit LCD with simultaneous mA and % |
| Type | 4–20 mA loop calibrator family (PIE 334 and 334Plus) |
| Source Range | 0.00 to 24.00 mA (−25.0 to 125.0% of 4–20 mA) |
| Read Ma | 0.00 to 52.00 mA |
| Read V | −99.99 to +99.99 VDC |
| Accuracy 334 | ±0.025% of span at 4.00 & 20.00 EZ-CHECK outputs |
| Functions | Source mA; simulate 2-wire TX; power & read 2-wire TX; read loop current/voltage |
| 334plus Extra | Patented loop current / ground leakage detection; menu 250 Ω HART resistor; step/ramp |
| Power | 4× AA; ≥30 hrs typical at 12 mA source |
| Size Weight | 5.63×3.00×1.60 in; ~12.1 oz with boot & batteries |
| Includes | Rubber boot, attached test leads, NIST certificate card |
| Document | 334-9001 Rev I + 334Plus-9001 Rev J + 334-9002 Op Inst |